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Urban Population (urban + population)
Selected AbstractsPsychological resilience and neurocognitive performance in a traumatized community sample,DEPRESSION AND ANXIETY, Issue 8 2010Aliza P. Wingo M.D. Abstract Background: Whether psychological resilience correlates with neurocognitive performance is largely unknown. Therefore, we assessed association between neurocognitive performance and resilience in individuals with a history of childhood abuse or trauma exposure. Methods: In this cross-sectional study of 226 highly traumatized civilians, we assessed neurocognitive performance, history of childhood abuse and other trauma exposure, and current depressive and PTSD symptoms. Resilience was defined as having ,1 trauma and no current depressive or PTSD symptoms; non-resilience as having ,1 trauma and current moderate/severe depressive or PTSD symptoms. Results: The non-resilient group had a higher percentage of unemployment (P=.006) and previous suicide attempts (P<.0001) than the resilient group. Both groups had comparable education and performance on verbal reasoning, nonverbal reasoning, and verbal memory. However, the resilient group performed better on nonverbal memory (P=.016) with an effect size of .35. Additionally, more severe childhood abuse or other trauma exposure was significantly associated with non-resilience. Better nonverbal memory was significantly associated with resilience even after adjusting for severity of childhood abuse, other trauma exposure, sex, and race using multiple logistic regression (adjusted OR=1.2; P=.017). Conclusions: We examined resilience as absence of psychopathology despite trauma exposure in a highly traumatized, low socioeconomic, urban population. Resilience was significantly associated with better nonverbal memory, a measure of ability to code, store, and visually recognize concrete and abstract pictorial stimuli. Nonverbal memory may be a proxy for emotional learning, which is often dysregulated in stress-related psychopathology, and may contribute to our understanding of resilience. Depression and Anxiety, 2010. © 2010 Wiley-Liss, Inc. [source] A controlled trial of paroxetine for chronic PTSD, dissociation, and interpersonal problems in mostly minority adults,DEPRESSION AND ANXIETY, Issue 2 2007Randall D. Marshall M.D. Abstract This study evaluated the efficacy of paroxetine for symptoms and associated features of chronic posttraumatic stress disorder (PTSD), interpersonal problems, and dissociative symptoms in an urban population of mostly minority adults. Adult outpatients with a primary DSM-IV diagnosis of chronic PTSD received 1 week of single-blind placebo (N = 70). Those not rated as significantly improved were then randomly assigned to placebo (N = 27) or paroxetine (N = 25) for 10 weeks, with a flexible dosage design (maximum 60,mg by week 7). Significantly more patients treated with paroxetine were rated as responders (14/21, 66.7%) on the Clinical Global Impression,Improvement Scale (CGI-I) compared to patients treated with placebo (6/22, 27.3%). Mixed effects models showed greater reductions on the Clinician-Administered PTSD Scale (CAPS) total score (primary plus associated features of PTSD) in the paroxetine versus placebo groups. Paroxetine was also superior to placebo on reduction of dissociative symptoms [Dissociative Experiences Scale (DES) score] and reduction in self-reported interpersonal problems [Inventory of Interpersonal Problems (IIP) score]. In a 12-week maintenance phase, paroxetine response continued to improve, but placebo response did not. Paroxetine was well tolerated and superior to placebo in ameliorating the symptoms of chronic PTSD, associated features of PTSD, dissociative symptoms, and interpersonal problems in the first trial conducted primarily in minority adults. Depression and Anxiety 24:77,84, 2007. Published 2006 Wiley-Liss, Inc. [source] From Soviet Modernization to Post,Soviet Transformation: Understanding Marriage and Fertility Dynamics in UzbekistanDEVELOPMENT AND CHANGE, Issue 3 2003Victor Agadjanian In this article we analyse the dynamics of marriage and childbearing in Uzbekistan through the prism of the recent socioeconomic and political history of that country. After becoming an independent nation in 1991, Uzbekistan abandoned the Soviet modernization project and aspired to set out on a radically different course of economic, social, and political development. We argue, however, that not only independence but also the preceding period of perestroika reforms (1985,91) had a dramatic effect on social conditions and practices and, consequently, the demographic behaviour of the country's population. Using data from the 1996 Uzbekistan Demographic and Health Survey we apply event,history analysis to examine changes in the timing of entry into first marriage, first and second births over four periods: two periods of pre,perestroika socialism, the perestroika years, and the period since independence. We investigate the factors that influenced the timing of these events in each of the four periods among Uzbeks, the country's eponymous and largest ethnic group, and among Uzbekistan's urban population. In general, our results point to a dialectic combination of continuity and change in Uzbekistan's recent demographic trends, which reflect the complex and contradictory nature of broader societal transformations in that and other parts of the former Soviet Union. [source] Prevalence and projections of diabetes and pre-diabetes in adults in Sri Lanka,Sri Lanka Diabetes, Cardiovascular Study (SLDCS)DIABETIC MEDICINE, Issue 9 2008P. Katulanda Abstract Aims To determine the prevalence of diabetes mellitus and pre-diabetes (impaired fasting glucose and impaired glucose tolerance) in adults in Sri Lanka. Projections for the year 2030 and factors associated with diabetes and pre-diabetes are also presented. Methods This cross-sectional study was conducted between 2005 and 2006. A nationally representative sample of 5000 adults aged , 18 years was selected by a multi-stage random cluster sampling technique. Fasting plasma glucose was tested in all participants and a 75-g oral glucose tolerance test was performed in non-diabetic subjects. Prevalence was estimated for those > 20 years of age. Results Response rate was 91% (n = 4532), males 40%, age 46.1 ± 15.1 years (mean ± standard deviation). The age,sex standardized prevalence (95% confidence interval) of diabetes for Sri Lankans aged , 20 years was 10.3% (9.4,11.2%) [males 9.8% (8.4,11.2%), females 10.9% (9.7,12.1%), P = 0.129). Thirty-six per cent (31.9,40.1%) of all diabetic subjects were previously undiagnosed. Diabetes prevalence was higher in the urban population compared with rural [16.4% (13.8,19.0%) vs. 8.7% (7.8,9.6%); P < 0.001]. The prevalence of overall, urban and rural pre-diabetes was 11.5% (10.5,12.5%), 13.6% (11.2,16.0%) and 11.0% (10.0,12.0%), respectively. Overall, 21.8% (20.5,23.1%) had some form of dysglycaemia. The projected diabetes prevalence for the year 2030 is 13.9%. Those with diabetes and pre-diabetes compared with normal glucose tolerance were older, physically inactive, frequently lived in urban areas and had a family history of diabetes. They had higher body mass index, waist circumference, waist,hip ratio, systolic/diastolic blood pressure, low-density lipoprotein cholesterol and triglycerides. Insulin was prescribed to 4.4% (2.7,6.1%) of all diabetic subjects. Conclusions One in five adults in Sri Lanka has either diabetes or pre-diabetes and one-third of those with diabetes are undiagnosed. [source] Type 2 diabetes in rural and urban population: diverse prevalence and associated risk factors in BangladeshDIABETIC MEDICINE, Issue 4 2006B. J. Boucher No abstract is available for this article. [source] Results of longterm hospital based cytological screening in asymptomatic womenDIAGNOSTIC CYTOPATHOLOGY, Issue 3 2006Jata S. Misra Ph.D., M.I.A.C. Abstract Routine cytological screening has been carried out in 27,062 asymptomatic women attending Gynaec and Family Planning O.P.D. of Queen Mary's Hospital, Lucknow, India (April 1971,December 2004). Incidence of squamous intraepithelial lesion (SIL) was found to be 5.9% in the series, while cervical malignancy was seen in 0.6% of cases. The study highlighted the immense utility of cytological screening in minimizing the incidence of carcinoma cervix in the segment of the urban population screened, as the incidence dropped down to 0.5% in the second half from 1.1% noticed in the first half of the screening period. The study also emphasized the utility of clinically downstaging the cervical cancer as 7,316 women showing clinical lesions of cervix were found to harbor SIL in 15.3% and carcinoma cervix in 1.3% of cases as against the incidence of 2.5% for SIL and 0.6% for frank cancer in women with normal cervix. The investigation into different risk factors involved in cervical carcinogenesis revealed that the incidence of SIL and cancer cervix showed a rise with increasing age and parity and prolonged sexual period. The incidences of both cervical cytopathologies were also higher in women of low socio-economic status while religion was found to have no bearing on the occurrence of the disease. Among the four sexually transmitted diseases (STDs) diagnosed in the cervical smears, Trichomonas vaginalis was found to be more prevalent (2.6%), while human papillomavirus (HPV) and Herpes simplex was seen in 0.4 and 0.2% of cases, respectively Herpes simplex was found to have strong affinity with both SIL and carcinoma cervix, while only SIL incidence was high with HPV infection. The study emphasizes need of proper education to women of low socio-economic class for creating awareness regarding hazards and risk factors of cervical cancer as well as management and cure of the disease. Diagn. Cytopathol. 2006;34: 184,187. © 2006 Wiley-Liss, Inc. [source] Statistical analysis of temperature impact on daily hospital admissions: analysis of data from Udine, ItalyENVIRONMETRICS, Issue 1 2006Francesco Pauli Abstract This article is devoted to the analysis of the relationship between the health status of an urban population and meteorological variables. The analysis considers daily number of hospital admissions, not due to surgery, regarding the population resident in the Municipality of Udine, aged 75 and over. Hourly records on temperature, humidity, rain, atmospheric pressure, solar radiation, wind velocity and direction recorded at an observation site located near the center of Udine are considered. The study also considers hourly measures of pollutant concentrations collected by six monitoring stations. All data are relative to the summer periods of years 1995,2003. Generalized additive models (GAM) are used in which the response variable is the number of hospital admissions and is assumed to be distributed as a Poisson whose rate varies as a possibly non-linear function of the meteorological variables and variables allowing for calendar effects and pollutant concentrations. The subsequent part of the analysis explores the distribution of temperature conditional on the number of daily admissions through quantile regression. A non-linear (N-shaped) relationship between hospital admissions and temperature is estimated; temperature at 07:00 is selected as a covariate, revealing that nighttime temperature is more relevant than daytime. The quantile regression analysis points out, as expected, that the distribution of temperature on days with more admissions has higher q -quantiles with q near unity, while a clear-cut conclusion is not reached for q quantiles with q near 0. Copyright © 2005 John Wiley & Sons, Ltd. [source] Behavioural Syndromes in Urban and Rural Populations of Song SparrowsETHOLOGY, Issue 7 2010Jackson Evans Animals in urban habitats are often noticeably bold in the presence of humans. Such boldness may arise due to habituation, as urban animals learn, through repeated exposure, that passing humans do not represent a threat. However, there is growing research suggesting that: (1) inherent traits, as opposed to learned behaviour, influence which species invade urban habitats, and (2) individuals exhibit individual personality traits that limit behavioural flexibility, with the possible result that not all individuals would be able to demonstrate an appropriate level of boldness in urban environments. As a result, perhaps only birds with inherently bold personalities could successfully settle in an area of high human disturbance, and further, we might also expect to see the existence of behavioural syndromes, where boldness is correlated with variation in other behavioural traits such as aggression. In this study, we examined boldness and territorial aggression in urban and rural populations of song sparrows. We found that urban birds were bolder towards humans and that urban birds also showed higher levels of territorial aggression. We also found an overall correlation between boldness and territorial aggression, suggesting that urban boldness may be part of a behavioural syndrome. However, we see no correlation between boldness and aggression in the urban population, and thus, more work is needed to determine the mechanisms accounting for high levels of boldness and aggression urban song sparrows. [source] EVOLUTION ON A LOCAL SCALE: DEVELOPMENTAL, FUNCTIONAL, AND GENETIC BASES OF DIVERGENCE IN BILL FORM AND ASSOCIATED CHANGES IN SONG STRUCTURE BETWEEN ADJACENT HABITATSEVOLUTION, Issue 8 2008Alexander V. Badyaev Divergent selection on traits involved in both local adaptation and the production of mating signals can strongly facilitate population differentiation. Because of its links to foraging morphologies and cultural inheritance song of birds can contribute particularly strongly to maintenance of local adaptations. In two adjacent habitats,native Sonoran desert and urban areas,house finches (Carpodacus mexicanus) forage on seeds that are highly distinct in size and shell hardness and require different bite forces and bill morphologies. Here, we first document strong and habitat-specific natural selection on bill traits linked to bite force and find adaptive modifications of bite force and bill morphology and associated divergence in courtship song between the two habitats. Second, we investigate the developmental basis of this divergence and find that early ontogenetic tissue transformation in bill, but not skeletal traits, is accelerated in the urban population and that the mandibular primordia of the large-beaked urban finches express bone morphogenetic proteins (BMP) earlier and at higher level than those of the desert finches. Further, we show that despite being geographically adjacent, urban and desert populations are nevertheless genetically distinct corroborating findings of early developmental divergence between them. Taken together, these results suggest that divergent selection on function and development of traits involved in production of mating signals, in combination with localized learning of such signals, can be very effective at maintaining local adaptations, even at small spatial scales and in highly mobile animals. [source] Population Estimation Using Landsat Enhanced Thematic Mapper ImageryGEOGRAPHICAL ANALYSIS, Issue 1 2007Changshan Wu An assessment of two groups of approaches for estimating urban population with remote-sensing information is presented in this article. These approaches, zonal and pixel-based models, are applied to Landsat Enhanced Thematic Mapper images of a portion of Columbus, Ohio, to generate population estimates. The zonal approach uses impervious surface fraction, spectral radiance, and land-use/land-cover classification to derive population estimates. The pixel-based approach uses impervious surface fraction and spectral radiance to estimate the population of residential areas. To assess robustness, these models were applied to Dayton, Ohio. A comparative study indicates that the models generated promising results in estimating regional population counts. However, zonal regression with spectral radiance produced large errors (76%) for census block groups, whereas other models gave significantly better estimation accuracy. Comparing the performance of the indicators, impervious surface fraction is competitive, and slightly but consistently better than land-use classification. In comparison with traditional zonal approaches, pixel-based models give somewhat better estimation accuracy. [source] PERI-URBAN AGROFORESTRY IN THE BRAZILIAN AMAZON,GEOGRAPHICAL REVIEW, Issue 2 2000VANESSA A. V. SLINGER ABSTRACT. Together, urbanization and the search for sustainable development present a dilemma in the Brazilian Amazon: how to accommodate an expanding urban population while creating and maintaining sustainable production systems that feed the people and manage the forest. A unique peri-urban agroforestry project, implemented by a municipal government in western Amazonia and concerned with a citywide influx of rural agriculturalists and former forest-dwelling extractive producers, is examined as a source of food and self-determination. Peri-urban agroforestry seems to be a viable option for other Amazonian cities that are experiencing increasing urbanization and its associated problems. [source] Carbon stored in human settlements: the conterminous United StatesGLOBAL CHANGE BIOLOGY, Issue 1 2010GALINA CHURKINA Abstract Urban areas are home to more than half of the world's people, responsible for >70% of anthropogenic release of carbon dioxide and 76% of wood used for industrial purposes. By 2050 the proportion of the urban population is expected to increase to 70% worldwide. Despite fast rates of change and potential value for mitigation of carbon dioxide emissions, the organic carbon storage in human settlements has not been well quantified. Here, we show that human settlements can store as much carbon per unit area (23,42 kg C m,2 urban areas and 7,16 kg C m,2exurban areas) as tropical forests, which have the highest carbon density of natural ecosystems (4,25 kg C m,2). By the year 2000 carbon storage attributed to human settlements of the conterminous United States was 18 Pg of carbon or 10% of its total land carbon storage. Sixty-four percent of this carbon was attributed to soil, 20% to vegetation, 11% to landfills, and 5% to buildings. To offset rising urban emissions of carbon, regional and national governments should consider how to protect or even to increase carbon storage of human-dominated landscapes. Rigorous studies addressing carbon budgets of human settlements and vulnerability of their carbon storage are needed. [source] Effectiveness of hepatitis C treatment with pegylated interferon and ribavirin in urban minority patients,HEPATOLOGY, Issue 4 2010Paul Feuerstadt Randomized controlled trials of hepatitis C virus (HCV) therapy with pegylated interferon and ribavirin have demonstrated sustained viral response rates (SVRs) of 54%-63% (efficacy). Treatment results in clinical practice (effectiveness) may not be equivalent. The goal of this study was to assess the effectiveness of HCV treatment with pegylated interferon and ribavirin in a treatment-naïve, human immunodeficiency virus (HIV)-negative, United States urban population with many ethnic minority patients. We evaluated 2,370 outpatients for HCV therapy from 2001 to 2006 in the Faculty Practice of the Albert Einstein College of Medicine or the attending-supervised Montefiore Medical Center Liver Clinic. Care was supervised by one experienced physician under conditions of everyday clinical practice, and appropriate ancillary resources were made available to all patients. Two hundred fifty-five patients were treated with a mean age of 50 years (60% male, 40% female; 58% Hispanic, 20% African American, 9% Caucasian, 13% other; 68% genotype 1, the remainder genotypes 2 or 3). Patients had at least one liver biopsy. Intention-to-treat analysis (ITT) showed SVR in 14% of genotype 1 patients and 37% in genotype 2/3 patients (P < 0.001). SVR was significantly higher in faculty practice (27%) than in clinic patients (15%) by intention-to-treat (P = 0.01) but not per-protocol analysis (46% faculty practice, 34% clinic). 3.3% of 1,656 treatment-naïve, HIV antibody,negative individuals ultimately achieved SVR. Current hepatitis C therapies may sometimes be unavailable to, inappropriate for, and ineffective in United States urban patients. Treatment with pegylated interferon and ribavirin was less effective in this population than is implied by multinational phase III controlled trials. New strategies are needed to care for such patients. (HEPATOLOGY 2010.) [source] Migrants and Changing Urban Periphery: Social Relations, Cultural Diversity and the Public Space in Istanbul's New NeighbourhoodsINTERNATIONAL MIGRATION, Issue 3 2008Sencer Ayata This study examines the dynamics of socio-cultural change in a peripheral neighbourhood in Istanbul, an "edge city" that is ethnically mixed, culturally heterogeneous, socially differentiated and spatially multi-functional. One major focus in the study is the changing nature of social relations in traditional groups. Though kinship, hem,eri (place of origin) and neighbourhood solidarity is still crucial in the lives of the migrants, participation in these groups becomes more voluntary and the ties among members less obligatory. Secondly, the ethnic and religious groupings in the neighbourhood are not always exclusive, authoritarian and patriarchal communities. What generally appears as rigid communitarian fragmentation is often one of cultural diversity for the residents of the locality. The associational pluralism that exists in the neighbourhood enables people to claim multiple ethnic, religious, political and cultural identities. Thirdly, though they compare unfavourably with their middle class counterparts in the city, the new neighbourhoods provide greater opportunities and more public space for interaction among the members of the locality than for instance, the rural communities. The study also questions the often taken-for-granted image of a rigidly polarized city in view of empirical evidence that indicates the multiple and complex economic and political links between the new neighbourhoods and the broader urban society. Finally, isolation from middle class areas in the city does not necessarily lead to the exclusion of the whole peripheral urban population from urban life, urban institutions and urban culture. These become increasingly present in the new neighbourhoods and available for the majority of the residents. The main conclusion is that Istanbul contains a number of such edge cities, which have powerful integrating and urbanizing influences on individuals. Les migrants et l'évolution de la périphérie urbaine: relations sociales, diversité culturelle et espace public dans les nouveaux quartiers d'Istanbul La présente étude examine la dynamique des changements socioculturels dans un quartier de la périphérie d'Istanbul, une « ville-lisière » (edge city) caractérisée par sa mixité ethnique, son hétérogénéité culturelle, sa différenciation sociale et son espace multifonctionnel. L'un des principaux axes de la présente étude est la nature changeante des relations sociales au sein des groupes traditionnels. Premièrement, bien que la parenté, hem,eri (le lieu d'origine), et la solidarité des résidants des quartiers restent essentiels dans la vie des migrants, la participation à ces groupes devient plus volontaire et les liens entre ses membres sont moins contraints. Deuxièmement, les regroupements ethniques et religieux au sein des quartiers ne constituent pas toujours des communautés privées, autoritaires et patriarcales. Ce qui semble généralement être une fragmentation rigide en communautés est souvent une marque de la diversité culturelle pour les résidants de la localité. Le pluralisme des associations permet aux personnes de revendiquer différentes identités ethniques, religieuses, politiques et culturelles. Troisièmement, même s'ils ne peuvent soutenir la comparaison avec leurs équivalents urbains habités par la classe moyenne, ces nouveaux quartiers offrent davantage de possibilités et d'espace public pour les rencontres entre membres de la localité que les communautés rurales par exemple. L'étude remet aussi en question l'image que l'on a souvent d'une ville rigide et polarisée en faisant état des témoignages empiriques qui attestent de la complexité et de la multitude des liens économiques et politiques entre les nouveaux quartiers et la société urbaine au sens large. Enfin, être isolé des zones urbaines où habitent les classes moyennes n'entraîne pas nécessairement l'exclusion de l'ensemble de la population urbaine vivant en périphérie de la vie, des institutions et de la culture urbaines qui sont de plus en plus présentes dans les nouveaux quartiers et accessibles à la majorité des résidants. La conclusion principale est qu'Istanbul comporte un certain nombre de villes-lisières de ce genre, dont l'influence sur les habitants en matière d'intégration et d'urbanisation est très forte. Relaciones sociales, diversidad cultural y espacio público en los nuevos vecindarios de Estambul En este estudio se examina la dinámica del cambio sociocultural en los vecindarios periféricos de Estambul, una "ciudad suburbana"étnicamente mixta, culturalmente heterogénea, socialmente diferenciada y espacialmente multifuncional. Uno de los principales centros de atención de este estudio es la naturaleza cambiante de las relaciones sociales en los grupos tradicionales. Si bien la buena voluntad, el hem,eri (lugar de origen) y la solidaridad de los vecinos siguen siendo fundamentales en la vida de los migrantes, la participación en estos grupos se convierte en una cuestión de carácter voluntario y los vínculos entre los mismos no son obligatorios. En segundo lugar, las agrupaciones étnicas y religiosas en el vecindario no siempre son comunidades exclusivas, autoritarias o patriarcales. Lo que, generalmente, parece ser una fragmentación comunitaria rígida es más bien una diversidad cultural de los residentes de la localidad. El pluralismo asociativo que existe en el vecindario permite a las personas preservar diversas identidades étnicas, religiosas, políticas y culturales. En tercer lugar, si bien salen desfavorecidos en la comparación con sus equivalentes de la clase media en la ciudad, los nuevos vecindarios proveen mayores oportunidades y espacio público para la interacción de sus miembros de la localidad que, por ejemplo, las comunidades rurales. Este estudio también cuestiona la imagen a priori de una ciudad rígidamente polarizada ya que hay pruebas que indican los múltiples y complexos vínculos económicos y políticos existentes entre los nuevos vecindarios y la sociedad urbana amplia. Finalmente, el aislamiento de zonas de la clase media en la ciudad no conduce necesariamente a su exclusión de la vida, instituciones y cultura urbanas. Estas están omnipresentes en los nuevos vecindarios y disponibles para la mayoría de sus residentes. La principal conclusión de este artículo es que Estambul contiene una serie de estas ciudades periféricas, que tienen poderosas influencias integradoras y urbanizadoras en las personas. [source] Trends in Social Security in East Africa: Tanzania, Kenya and UgandaINTERNATIONAL SOCIAL SECURITY REVIEW, Issue 3-4 2003Ramadhani K. Dau As elsewhere in the world and in Africa in particular, social security in the member countries of the East African Community (Kenya, United Republic of Tanzania, and Uganda) has long been provided through voluntary assistance under the traditional extended family system. Later, and more specifically after independence in the early 1960s, when the region had a major increase in the number of employees in the formal sector , both public and private , who were mainly located in urban centres, formal social security schemes started to gain recognition among employed workers. Thus over the years, the urban population became increasingly detached from rural communities where the traditional extended family system was most effective. In addition, their general standards of living rose to such levels that if they ceased to earn employment income for one reason or another their livelihood could not be sustained through the extended family system. The above social security development trends have resulted even today in societies examining and determining ways to improve social protection beyond the formal sector so as to ensure arrangements are put in place for a large part of the working population to be provided with social security insurance during their working life and after retirement. [source] The establishment of an urban bird populationJOURNAL OF ANIMAL ECOLOGY, Issue 5 2008Christian Rutz Summary 1Despite the accelerating global spread of urbanized habitats and its associated implications for wildlife and humans, surprisingly little is known about the biology of urban ecosystems. 2Using data from a 60-year study period, this paper provides a detailed description of how the northern goshawk Accipiter gentilis L. , generally considered a shy forest species , colonized the city of Hamburg, Germany. Six non-mutually exclusive hypotheses are investigated regarding the environmental factors that may have triggered this invasion. 3The spatio-temporal analysis of 2556 goshawk chance observations (extracted from a total data set of 1 174 493 bird observations; 1946,2003) showed that hawks regularly visited the city centre decades before the first successful breeding attempts were recorded. Many observations were made in parts of the city where territories were established in later years, demonstrating that these early visitors had encountered, but not used, potential nest sites. 4Pioneer settlement coincided with: (i) an increase in (legal) hunting pressure on goshawks in nearby rural areas; (ii) an increase in avian prey abundance in the city; and (iii) a succession of severe winters in the Greater Hamburg area. On the other hand, there was no evidence to suggest that the early stages of the invasion were due to: (i) decreasing food availability in rural areas; (ii) major habitat changes in the city; or (iii) rural intraguild dynamics forcing hawks into urban refugia. While breeding numbers of a potential rural source population were at a long-term low when the city was colonized, prior to first settlement there was a sharp increase of goshawk chance observations in the city and its rural periphery. 5The urban population expanded rapidly, and pair numbers began to stabilize after about 10 years. Ringing data (219 ringed nestlings from 70 urban broods; 1996,2000) demonstrated that most urban recruits had fledged in the city, but also confirmed considerable gene flow between urban and rural habitats. Analysis of chance observations (as raw data or as detrended time series) suggested a tight coupling of population dynamics inside and outside the city. 6City-colonizations such as the one described here provide a valuable opportunity to study some fundamental aspects of population ecology on a scale at which detailed monitoring is logistically feasible. Furthermore, a good understanding of urban ecology has become essential for efficient wildlife conservation in modern, human-altered environments. [source] Dispersal pattern of domestic cats (Felis catus) in a promiscuous urban population: do females disperse or die?JOURNAL OF ANIMAL ECOLOGY, Issue 2 2003Sébastien Devillard Summary 1The domestic feral cat (Felis catus L.) is a good model for studying intraspecific variability of dispersal patterns in mammals because cats live under a large diversity of socio-ecological conditions. We analysed both the natal and breeding dispersal patterns of domestic cats in a promiscuous urban population and tested whether or not it differed from the male-biased natal dispersal pattern observed for polygynous rural populations. 2During an 8-year study we recorded the exact date of in situ death for 148 marked cats and the exact date of disappearance from the population for 99 other cats. Because undiscovered deaths might over-estimate dispersal probabilities when considering only disappearance probabilities, we made an novel application of multistrata capture,recapture methods in order to disentangle dispersal from true mortality. 3We showed that mature females dispersed, both before and after their first reproduction, at 1 and 2 years old. Contrary to females, no dispersal seemed to occur in males. Before sexual maturity, females that disappeared at 1 and 2 years old were in worse body condition than females that stayed in the population area after 2 years old. However, they did not reproduce less successfully before their disappearance than females that died later in the population area. 4The female-biased and low natal dispersal pattern in this population was atypical compared to other promiscuous/polygynous mammals and differed from that observed in rural polygynous populations of domestic cat. Neither local mate competition nor inbreeding avoidance appeared to be sufficient pressures to counterbalance ecological constraints on dispersal in an urban environment. However, local resource competition for den sites between potential matriarchies could lead to the breeding dispersal of less competitive females. [source] Predictors and outcomes of persistent or age-limited registered criminal behavior: a 30-year longitudinal study of a Swedish urban populationAGGRESSIVE BEHAVIOR, Issue 2 2009Lars R. Bergman Abstract This study uses data from the longitudinal research program Individual Development and Adaptation, where an entire school-grade cohort of children in a middle-size Swedish city (n,1.300) has been followed from ages 10 to 43 and 48 for women and men, respectively. Our findings indicate that the patterns of offending across the life-course differ between genders, where males seem to initiate their offending earlier than females. Further, there are very few women on a persistent offending-trajectory. Focusing on precursors to as well as consequences of offending as indexed in official registers, our results indicate that individuals in the persistent offender group have the most pronounced adjustment problems in school- as well as in middle age. Individual characteristics and behaviors (e.g., aggression, hyperactivity, antisocial behavior) vary systematically between individuals with different developmental offending patterns. The combination of an unstable upbringing and own antisocial behavior seems to be especially predictive for criminality. For persistent offenders, the prevalence of alcohol and psychiatric problems at adult age is high for males and extremely high for females (nine out of ten and six out of ten for each of the two problem types for females). Further, the importance for adjustment of the two-dimensional variation in the number of crimes committed during adolescence and adult age seems to have been surprisingly well captured by the "crude" division into the four offender groups that were used. Aggr. Behav. 35:164,178, 2009. © 2009 Wiley-Liss, Inc. [source] Explanatory Variables for per Capita Stocks and Flows of Copper and ZincJOURNAL OF INDUSTRIAL ECOLOGY, Issue 1-2 2006Claudia R. Binder A number of potential explanatory variables for the stocks and flows of copper and zinc in contemporary technological societies are co-analyzed with the tools of exploratory data analysis. A one-year analysis (circa 1994) is performed for 50 countries that comprise essentially all anthropogenic stocks and flows of the two metals. The results show that (1) The key explanatory variable for metal use is gross domestic product (GDP) per capita (purchasing power parity, PPP). By itself, GDP explains between one-third and one-half of the variance of per capita copper and zinc use. Other variables that were significantly correlated with copper and zinc use included stock of passenger cars and television sets (per 1, 000 people); two infrastructure variables, wired telephone connections, urban population, and value added inmanufacturing. The results do not provide evidence supporting the Kuznets curve hypothesis for these metals. (2) Metal use per capita can be estimated using multiple regression equations. For copper, the natural logarithm of use is related to the explanatory variables GDP (PPP), value added in manufacturing, and urban population. This model explains 80% of the variance among the different countries (r2= 0.79). The natural logarithm of zinc use is related to GDP (PPP) and value added in manufacturing with an r2 of 0.75; (3) For both metals, rates of metal fabrication, use, net addition to stock, and discard in low-and high-income countries differ significantly from each other. Our statistical analyses thus provide a basis for estimating the potential development of metal use, net addition to stock, and discard, using data on explanatory variables that are available at the international level. [source] Population-based study on the seroprevalence of hepatitis A, B, and C virus infection in Amsterdam, 2004,JOURNAL OF MEDICAL VIROLOGY, Issue 12 2007G.G.G. Baaten Abstract In order to enhance screening and preventive strategies, this study investigated the seroprevalence of hepatitis A, B, and C in the general adult urban population and in subgroups. In 2004, sera from 1,364 adult residents of Amsterdam were tested for viral markers. Sociodemographic characteristics were collected using a standardized questionnaire. For hepatitis A, 57.0% was immune. Of first-generation immigrants from Turkey and Morocco, 100% was immune. Of all Western persons and second-generation non-Western immigrants, approximately half was still susceptible. For hepatitis B, 9.9% had antibodies to hepatitis B core antigen (anti-HBc) and 0.4% had hepatitis B surface antigen. Anti-HBc seroprevalences were highest among first-generation immigrants from Surinam, Morocco, and Turkey, and correlated with age at the time of immigration, and among men with a sexual preference for men. Seroprevalence among second-generation immigrants was comparable to Western persons. The seroprevalence of hepatitis C virus antibodies was 0.6%. In conclusion, a country with overall low endemicity for viral hepatitis can show higher endemicity in urban regions, indicating the need for differentiated regional studies and prevention strategies. More prevention efforts in cities like Amsterdam are warranted, particularly for hepatitis A and B among second-generation immigrants, for hepatitis B among men with a sexual preference for men, and for hepatitis C. Active case finding strategies are needed for both hepatitis B and C. J. Med. Virol. 79:1802,1810, 2007. © Wiley-Liss, Inc. [source] High diversity of HHV-8 molecular subtypes in the Amazon region of Brazil: Evidence of an ancient human infection,JOURNAL OF MEDICAL VIROLOGY, Issue 10 2007Marluísa de Oliveira Guimarães Ishak Abstract The present study describes the molecular epidemiology of Human herpesvirus 8 (HHV-8) among four Indian tribes (Kararao, Arara Laranjal, Tiriyo, and Zo'e) of the Amazon region of Brazil and a group of HIV-1-infected subjects from the urban population of Belem, Para. Infection was characterized by the presence of antibodies using ELISA (measuring antibodies to ORF59, ORF65, K8.1A, K8.1B, and ORF73), and molecular assays (gene amplification of the regions ORF26 and the variable region VR1). Antibodies to HHV-8 were detected in 66 samples of the 221 Brazilian Amerindians, namely, 6 (25%) in the Kararao, 18 (19.6%) in the Arara Laranjal, 24 (42.9%) in the Tiriyo, and 18 (36.7%) in the Zo'e. Among the 477 HIV-1-infected subjects, antibodies to HHV-8 were present in 74 (15.5%) persons. The ORF26 region was amplified in seven samples, one of the Arara Laranjal, one of the Tiriyo, two of the Zo'e, and three of the HIV-1-infected group. Subtyping of HHV-8 described a high multiplicity of molecular subtypes, including C (Zo'e), E (Tiriyo), and B (HIV-1 infected). Serological results confirm the high prevalence of HHV-8 among Amerindians and the presence of three subtypes in the Amazon region of Brazil, including a unique subtype, which favors the idea of HHV-8 as an ancient human infection within this particular geographical region. J. Med. Virol. 79:1537,1544, 2007. © Wiley-Liss, Inc. [source] Periodontitis and premature death: a 16-year longitudinal study in a Swedish urban populationJOURNAL OF PERIODONTAL RESEARCH, Issue 4 2007B. Söder Background and Objective:, Growing experimental evidence implicates chronic inflammation/infection due to periodontal diseases as a risk factor for death. The objective was to evaluate the role of periodontitis in premature death in a prospective study. Methods:, The causes of death in 3273 randomly-selected subjects, aged 30,40 years, from 1985 to 2001 were registered. At baseline, 1676 individuals underwent a clinical oral examination (Group A) and 1597 did not (Group B). Mortality and causes of death from 1985 to 2001 were recorded according to ICD-9-10. Results:, In Groups A (clinically examined group) and B, a total of 110 subjects had died: 40 subjects in Group A, and 70 in Group B. In Group A significant differences were present at baseline between survivors and persons who later died, with respect to dental plaque, calculus, gingival inflammation and number of missing molars in subjects with periodontitis (p < 0.001). The multiple logistic regression analysis results of the relationship between being dead (dependent variable) and several independent variables identified periodontitis with any missing molars as a principal independent predictor of death. Conclusions:, Young individuals with periodontitis and missing molars seem to be at increased risk for premature death by life-threatening diseases, such as neoplasms, and diseases of the circulatory and digestive systems. [source] Ethnic variation, epidemiological factors and quality of life impairment associated with dyspepsia in urban MalaysiaALIMENTARY PHARMACOLOGY & THERAPEUTICS, Issue 10 2010S. MAHADEVA Aliment Pharmacol Ther,31, 1141,1151 Summary Background, The role of ethnicity in the development of dyspepsia remains uncertain. Aims, To examine the epidemiology of dyspepsia in a multi-ethnic Asian population and its impact on health-related quality of life (HRQOL). Methods, A cross-sectional survey was conducted in a representative urban population in Kuala Lumpur, Malaysia. Results, A total of 2039 adults (mean ± s.d. age: 40.5 ± 11.8 years, males 44.2%, ethnicity: Malays 45.3%, Chinese 38.0% and Indians 13.1%, tertiary education level 62%, professional employment 47.7% and median monthly income USD 850.00) were interviewed. Dyspepsia was prevalent in 496 (24.3%) adults. Independent predictors for dyspepsia, explored by logistic regression, were identified as: Malay (OR 2.17, 95% CI = 1.57,2.99) and Indian (OR 1.59, 95% CI = 1.03,2.45) ethnicity, heavy chilli intake (OR 2.35, 95% CI = 1.15,4.80), use of regular analgesia (OR 3.51, 95% CI = 2.54,4.87) and chronic illness (OR 1.67, 95% CI = 1.22,2.28). HRQOL was assessed with the EQ-5D and significantly lower scores were noted in dyspeptics compared with healthy controls (0.85 ± 0.17 vs. 0.95 ± 0.12, P < 0.0001). Conclusion, Ethnicity, in addition to recognized epidemiological factors, is a risk factor for dyspepsia in an urban multi-racial Asian population. [source] Changing patterns of diet, physical activity and obesity among urban, rural and slum populations in north IndiaOBESITY REVIEWS, Issue 5 2008K. Yadav Summary Rapid urbanization and accompanying lifestyle changes in India lead to transition in non-communicable disease risk factors. A survey was done in urban, urban slum and rural population of Haryana, India, in a sample of 4129 men and 3852 women using WHO STEPS questionnaire. A very high proportion of all the three populations reported inadequate intake of fruits and vegetables. Rural men reported five times physical activity as compared with urban and urban slum men and rural women reported seven times physical activity as compared with women in the other two settings. Mean body mass index (BMI) was highest among urban men (22.8 kg m,2) followed by urban slum (21.0 kg m,2) and rural men (20.6 kg m,2) (P -value < 0.01). Similar trend was seen for women but at a higher level than men. Prevalence of obesity (BMI , 30 kg m,2) was highest for urban population (male = 5.5%, female = 12.6%) followed by urban slum (male = 1.9%, female = 7.2%) and rural populations (male = 1.6%, female = 3.8%). Urbanization increases the prevalence of the studied non-communicable disease risk factors, with women showing a greater increase as compared with men. Non-communicable disease control strategy needs to address urbanization and warrants gender sensitive strategies specifically targeting women. [source] Validation of a six-graded faces scale for evaluation of postoperative pain in childrenPEDIATRIC ANESTHESIA, Issue 8 2003A. Bosenberg MBChB Summary Background: The faces pain scales are often used for self-report assessment of paediatric pain. The aim of this study was to evaluate the validity of a six-graded faces pain scale after surgery by comparing the level of agreement between the children's report of faces pain scores and experienced nurses' assessment of pain by observation of behaviour. The faces pain scores before, at and after administration of analgesics were analysed. The study was performed in two South African hospitals, one with a mainly rural population and the other with an urban population. Methods: A total of 110 children aged 4,12 years, scheduled for inguinal surgery in the two South African hospitals, were included in the study. The anaesthetic technique was standardized. All patients received a caudal block preoperatively. Postoperative pain assessments were made every hour for 8 h after the caudal block was performed. A designated nurse assessed pain by using a four-graded descriptive scale (no, mild, moderate or severe pain) and thereafter the child reported pain by using the six-graded faces pain scale. Results: A high correlation was found between the two methods of assessment (, = 0.76, P < 0.0001). The correlation between methods was high in both hospital populations and in all age groups. The weakest correlation was found in children aged 8,12 years (, = 0.56, P < 0.01). Significantly lower faces pain scores were found after administration of analgesics compared with pain rating before analgesics (P < 0.0001). The proportion of patients with pain scores above 2 decreased from 86% to 31% (P < 0.001). Conclusions: The findings support this six-graded faces pain scale as a useful and valid instrument for measuring pain in the postoperative period in children aged 4,12 years. [source] Synanthropic primates in Asia: Potential sentinels for environmental toxinsAMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY, Issue 3 2010Gregory Engel Abstract Macaques are similar to humans both physiologically and behaviorally. In South and Southeast Asia they are also synanthropic, ecologically associated with humans. Synanthropy with humans raises the possibility that macaques come into contact with anthropogenic toxicants, such as lead and mercury, and might be appropriate sentinels for human exposures to certain toxic materials. We measured lead (Pb) and mercury (Hg) levels and characterized the stable isotopic compositions of ,15N and ,13C in hair from three groups of free-ranging macaques at the Swoyambhu temple in Kathmandhu, Nepal, an urban population that has abundant contact with humans. Hair lead levels were significantly higher among young macaques and differed among the three groups of macaques that were sampled. Hair Hg levels were low. No statistical association was found between stable isotopic compositions (,15N and ,13C) and Pb and Hg levels. Our data did not find evidence that lead levels were associated with diet. We conclude that, in this population of macaques, behavioral and/or physiologic factors may play a significant role in determining exposure to lead. Chemical analysis of hair is a promising, noninvasive technique for determining exposure to toxic elements in free-ranging nonhuman primates. Am J Phys Anthropol, 2010. © 2009 Wiley-Liss, Inc. [source] Prevalence and Potential Risk Factors of Female Sexual Difficulties: An Urban Iranian Population-Based StudyTHE JOURNAL OF SEXUAL MEDICINE, Issue 11 2009Azita Goshtasebi MD ABTSRACT Introduction., Female sexual dysfunction is common, a multifactorial phenomenon with a potential to cause marital strain, impaired fertility, and poor quality of life. Epidemiologic data are scarce and little is known about the prevalence of sexual difficulties and the exact role of putative risk factors in Iran. Aim., To determine the prevalence of female sexual difficulties and the potential risk factors in an urban Iranian population. Methods., A cross-sectional study was performed in the province of Kohgilooyeh,Boyerahmad (KB) in the southwest of Iran and involved sexually active urban women aged 15 years and over, selected via a quota-based cluster sampling method. The study used an ad hoc questionnaire covering the demographic and reproductive variables as well as the data related to sexual difficulties. Data were analyzed using multiple logistic regression models. The main outcome measures were the prevalence rates and the predictors of sexual difficulties. Main Outcome Measures., The prevalence of female sexual difficulties and the associated risk factors. Results., One thousand four hundred fifty-six sexually active women living in the urban areas of KB province in 2005 were selected. The mean age of the sample was 34.04 ± 9.2 (16,71) years and the mean number of completed grades was 7.18 (±4.8). More than 52% of the participants had experienced at least one type of sexual difficulty. The greatest and smallest frequencies were observed for orgasm difficulty (21.3%, confidence interval[CI]0.95 = 19.2,23.4%) and lubrication difficulty (11.9%, CI0.95 = 10.2,13.6%). Age, education, contraceptive modality, and obstetric/gynecologic procedures were all associated with at least one type of sexual dysfunction. Conclusion., Similar to previous studies, we found a relatively high prevalence of sexual difficulties in this urban population of low socioeconomic status. However, our results concerning the role of some demographic and reproductive variables in producing sexual difficulties were different from those reported by other researchers. Goshtasebi A, Vahdaninia M, and Rahimi Foroshani A. Prevalence and potential risk factors of female sexual difficulties: An urban Iranian population-based study. J Sex Med 2009;6:2988,2996. [source] Urban-biased Policies and the Increasing Rural,Urban Expenditure Gap in Vietnam in the 1990sASIAN ECONOMIC JOURNAL, Issue 2 2010Eric Fesselmeyer O15; O18 There was a significant and widening rural,urban gap during the economic boom in Vietnam in the 1990s. Using an econometric decomposition, we find that differences in individual characteristics such as education, ethnicity and age are the primary explanation for this widening gap, whereas differences in the returns to these characteristics are the primary explanation for the increase in the gap at higher percentiles. We then argue that government investment policies and the manipulation of price incentives were important factors behind the gap. In particular, we argue that government policies created some benefit to urban dwellers at the expense of rural areas, lending support to Lipton's urban-bias hypothesis, which states that government, under strong political pressure from the urban population, directs resources from rural to urban areas without consideration of efficiency or equity. [source] Effect of lifestyle factors and hormone therapy on heart function by serial echocardiography in postmenopausal womenAUSTRALIAN AND NEW ZEALAND JOURNAL OF OBSTETRICS AND GYNAECOLOGY, Issue 1 2010Soo-Keat KHOO Background:, There is conflicting information on the effects of oestrogen on the heart in women, especially those using postmenopausal hormone therapy. Whilst some studies reported a beneficial effect, others showed adverse outcomes. The interplay of lifestyle factors and type/timing of therapy remains to be clarified. Aim:, The aim of this study was to determine the effects of lifestyle and hormone therapy on heart function and structure in postmenopausal women. Method:, As part of a large longitudinal study of women randomly recruited from an urban population, the study assessed 410 suitable women by echocardiography in Year 1 and Year 5 of the study by two independent cardiologists. Results:, In lifestyle characteristics, the difference in age and body mass (as markers of cardiovascular risk) was in favour of never-users versus hormone therapy-users. Using an arbitrary cut-off ,15% change for an effect, we found lifestyle factors had minimal effect on the two measured parameters , ejection fraction, left ventricular mass. Effects of hormone therapy were variable and mixed; greatest effect was found for an ,early start' of hormone therapy with oestrogen-only preparation , the risk of reduced ejection fraction was decreased [hazard ratio (HR) 0.42, confidence interval = 0.17,1.03, P = 0.06] and risk of increased left ventricular mass was increased (HR 2.21, 1.09,4.49, P = 0.03). Conclusion:, Our findings add to the evidence that oestrogen given to postmenopausal women has a mixed effect on the heart, with effect best shown when started early. [source] Estimates for cervical abnormalities in VanuatuAUSTRALIAN AND NEW ZEALAND JOURNAL OF PUBLIC HEALTH, Issue 6 2007Nina Fotinatos Abstract Objective: To use the Pap smear to establish a recent prevalence of cervical abnormalities within a select population in Vanuatu, a developing country. Methods: Cervical smears (n=907) were collected from Ni-Vanuatu women from both urban and rural islands within Vanuatu between August 2001 and September 2005. Results: The prevalence of low-grade epithelial abnormalities for the total population was 2.9% and the prevalence of the high-grade epithelial abnormalities/cancer was 2.0%. There was a significant difference (p<0.05) in prevalence of high-grade epithelial abnormalities/cancer between the urban and rural populations sampled, with a higher prevalence in the urban population. Conclusions: The prevalence of pre-cancer and cancer in Vanuatu is high compared with Victorian (Australian) statistics yet comparable with other developing countries with no cervical screening programs available. Implications: This study will hopefully assist in future planning of women's health programs and relevant preventive strategies to combat cervical cancer in Vanuatu. [source] | ||||||||||||||||||||||