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Measurement Instruments (measurement + instruments)
Selected AbstractsHepatitis C infection in hemodialysis patients in Iran: A systematic reviewHEMODIALYSIS INTERNATIONAL, Issue 3 2010Seyed-Moayed ALAVIAN Abstract Hemodialysis (HD) patients are recognized as one of the high-risk groups for hepatitis C virus (HCV) infection. The prevalence of HCV infection varies widely between 5.5% and 24% among different Iranian populations. Preventive programs for reducing HCV infection prevalence in these patients require accurate information. In the present study, we estimated HCV infection prevalence in Iranian HD patients. In this systematic review, we collected all published and unpublished documents related to HCV infection prevalence in Iranian HD patients from April 2001 to March 2008. We selected descriptive/analytic cross-sectional studies/surveys that have sufficiently declared objectives, a proper sampling method with identical and valid measurement instruments for all study subjects, and proper analysis methods regarding sampling design and demographic adjustments. We used a meta-analysis method to calculate nationwide prevalence estimation. Eighteen studies from 12 provinces (consisting 49.02% of the Iranian total population) reported the prevalence of HCV infection in Iranian HD patients. The HCV infection prevalence in Iranian HD patients is 7.61% (95% confidence interval: 6.06,9.16%) with the recombinant immunoblot assay method. Iran is among countries with low HCV infection prevalence in HD patients. [source] Explaining the Weak Relationship Between Job Performance and Ratings of Job PerformanceINDUSTRIAL AND ORGANIZATIONAL PSYCHOLOGY, Issue 2 2008KEVIN R. MURPHY Ratings of job performance are widely viewed as poor measures of job performance. Three models of the performance,performance rating relationship offer very different explanations and solutions for this seemingly weak relationship. One-factor models suggest that measurement error is the main difference between performance and performance ratings and they offer a simple solution,that is, the correction for attenuation. Multifactor models suggest that the effects of job performance on performance ratings are often masked by a range of systematic nonperformance factors that also influence these ratings. These models suggest isolating and dampening the effects of these nonperformance factors. Mediated models suggest that intentional distortions are a key reason that ratings often fail to reflect ratee performance. These models suggest that raters must be given both the tools and the incentive to perform well as measurement instruments and that systematic efforts to remove the negative consequences of giving honest performance ratings are needed if we hope to use performance ratings as serious measures of job performance. [source] Nurses' intention to leave the profession: integrative reviewJOURNAL OF ADVANCED NURSING, Issue 7 2010Mervi Flinkman flinkman m., leino-kilpi h. & salanterä s. (2010) Nurses' intention to leave the profession: integrative review. Journal of Advanced Nursing,66(7), 1422,1434. Abstract Title.,Nurses' intention to leave the profession: integrative review. Aim., This paper is a report of a study conducted to (1) review and critique the published empirical research on nurses' intention to leave the profession and (2) synthesize the findings across studies. Background., Lack of nurses and nurse turnover represent problems for the healthcare system in terms of cost, the ability to care for patients and the quality of care. At a time of current nursing shortage, it is important to understand the reasons why nurses intend to leave the profession. Data sources., A review was conducted through an initial search of MEDLINE, CINAHL and PsycINFO computerized databases for the period from 1995 to July 2009. The keywords for the search were: Nurs* AND (Personnel turnover OR Career Mobility). Research on nurses' organizational turnover was excluded. Review methods., An integrative literature review was carried out using Cooper's five-stage methodology provided a framework for data collection, analysis and synthesis. Results., A total of 31 studies matching the inclusion criteria were identified. Variety in samples, measurement instruments and measures of intention to leave led to difficulties when attempting to compare or generalize study findings. A number of variables influencing nurses' intention to leave the profession were identified, including demographic, work-related and individual-related variables. Conclusions., Further research is needed using sound measurement instruments, consistent measures of leaving intention and more rigorous sampling. More in-depth research is needed to give nurses opportunities to explain in their own words the reasons for their intentions to leave. [source] Exploring a taxonomy for aggression against women: can it aid conceptual clarity?AGGRESSIVE BEHAVIOR, Issue 6 2009Sarah Cook Abstract The assessment of aggression against women is demanding primarily because assessment strategies do not share a common language to describe reliably the wide range of forms of aggression women experience. The lack of a common language impairs efforts to describe these experiences, understand causes and consequences of aggression against women, and develop effective intervention and prevention efforts. This review accomplishes two goals. First, it applies a theoretically and empirically based taxonomy to behaviors assessed by existing measurement instruments. Second, it evaluates whether the taxonomy provides a common language for the field. Strengths of the taxonomy include its ability to describe and categorize all forms of aggression found in existing quantitative measures. The taxonomy also classifies numerous examples of aggression discussed in the literature but notably absent from quantitative measures. Although we use existing quantitative measures as a starting place to evaluate the taxonomy, its use is not limited to quantitative methods. Implications for theory, research, and practice are discussed. Aggr. Behav. 35:462,476, 2009. © 2009 Wiley-Liss, Inc. [source] Measuring diagnostic and predictive accuracy in disease management: an introduction to receiver operating characteristic (ROC) analysisJOURNAL OF EVALUATION IN CLINICAL PRACTICE, Issue 2 2006Ariel Linden DrPH MS Abstract Diagnostic or predictive accuracy concerns are common in all phases of a disease management (DM) programme, and ultimately play an influential role in the assessment of programme effectiveness. Areas, such as the identification of diseased patients, predictive modelling of future health status and costs and risk stratification, are just a few of the domains in which assessment of accuracy is beneficial, if not critical. The most commonly used analytical model for this purpose is the standard 2 × 2 table method in which sensitivity and specificity are calculated. However, there are several limitations to this approach, including the reliance on a single defined criterion or cut-off for determining a true-positive result, use of non-standardized measurement instruments and sensitivity to outcome prevalence. This paper introduces the receiver operator characteristic (ROC) analysis as a more appropriate and useful technique for assessing diagnostic and predictive accuracy in DM. Its advantages include; testing accuracy across the entire range of scores and thereby not requiring a predetermined cut-off point, easily examined visual and statistical comparisons across tests or scores, and independence from outcome prevalence. Therefore the implementation of ROC as an evaluation tool should be strongly considered in the various phases of a DM programme. [source] Attributed disability: a spot of local difficultyJOURNAL OF EVALUATION IN CLINICAL PRACTICE, Issue 1 2006George Peat PhD MCSP Abstract There has been an exponential growth of publications relating to the development and application of health measurement instruments. Condition-specific measures have formed a large part of this trend. This article questions the rationale behind the concept of condition-specific disability, a common domain in such measures, taking musculoskeletal medicine as an example. It argues that physical functions are seldom unique to a specific condition and that measurement specificity therefore relies on attributing functional consequences to the health condition of interest. The presence of multi-morbidity (musculoskeletal and non-musculoskeletal), and the influence of personal and environmental factors, pose problems for attribution that have seldom been empirically investigated. Furthermore, attributing disability to a specific health condition of interest potentially limits insights into important interventions such as managing co-morbid interactions and targeting barriers in the physical, social, and attitudinal environment. Efforts to identify regionally relevant item content and to measure participation in daily life are a step in the right direction. Attribution is not needed for either. [source] Quality of life in patients with burning mouth syndromeJOURNAL OF ORAL PATHOLOGY & MEDICINE, Issue 7 2008Pía López-Jornet Objective:, To study the quality of life in patients with burning mouth syndrome (BMS), our primary aim was to compare BMS patients with healthy controls and the secondary aim was to compare subgroups of BMS patients on the type of therapy received; using the Medical Outcome Short Form Health Survey Questionnaire (SF-36) and the Oral Health Impact Profile (OHIP-49) as measurement instruments. Method:, Sixty consecutive patients (10 males and 50 females) with BMS were studied in the Department of Oral Medicine (Faculty of Medicine and Dentistry, University of Murcia, Spain), while 60 healthy patients were used as controls. The Spanish version of the SF-36 was used to evaluate general quality of life, together with the OHIP-49 in its Spanish version. Results:, Regarding general quality of life as assessed with the SF-36, and on comparing the BMS vs. the control groups, lower scores were obtained in the former in all domains (P < 0.001). The OHIP-49 in turn yielded significant differences in each of the domains vs. the controls. No significant differences were found between the patients with BMS in any domain regarding parafunctional habits and the presence of dentures. In relation to the different treatments, significant differences were recorded in functional limitation (P = 0.02) and physical pain (P = 0.033). Conclusion:, Patients with BMS yield poorer scores on all scales vs. the healthy controls when applying the SF-36 and OHIP-49. [source] Interrater reliability of diagnosing complex regional pain syndrome type IACTA ANAESTHESIOLOGICA SCANDINAVICA, Issue 4 2002R. S. G. M. Perez Background: Diagnosis of complex regional pain syndrome type I (CRPS I) is based on clinical observation of symptoms. As little information is available on the reliability of CRPS I diagnosis, we evaluated the agreement between therapists with regard to the presence and severity of CRPS I and its symptoms. Methods: The interrater reliability was evaluated in 37 presumed CRPS I patients by three observers; one consultant anesthesiologist and two resident anesthesiologists. Patients were assessed on the basis of Veldman's CRPS criteria. Results: The interrater reliability for diagnosing CRPS I was good for the majority of observer combinations. The percentage of agreement for the absence or presence of CRPS I was good (88%,100%). Cohen's Kappa's ranged from 0.60 to 0.86. The agreement for the mean symptom score ranged from 70.2% to 88.6%; Kappa's were lower and showed more variation. Interrater reliability for assessment of the severity of CRPS I and its symptoms was poor. Factors influencing the interrater reliability were symptom type, individual observers and sample population. Conclusion: Diagnosing CRPS I can be performed on the basis of clinical observation. Further assessment of severity of CRPS I and its symptoms should be performed with reliable and valid measurement instruments. [source] Impact of an exercise and walking protocol on quality of life for elderly people with OA of the kneePHYSIOTHERAPY RESEARCH INTERNATIONAL, Issue 3 2003Rosângela Corrêa Dias Abstract Background and Purpose The knee is the weight-bearing joint most commonly affected by osteoarthritis (OA). The symptoms of pain, morning stiffness of short duration and physical dysfunction in the activities of daily living (ADL) can have an effect on many aspects of health, affecting quality of life. Regular and moderate physical activity adapted to individuals' life-styles and education, and joint protection strategies have been advocated as conservative management. The purpose of the present study was to assess the impact of an exercise and walking protocol on the quality of life of elderly people with knee OA. Method The study design was a randomized controlled clinical trial. The subjects comprised 50 elderly people, aged 65 or more, with knee OA who had been referred to the geriatric outpatient unit for rehabilitation. Changes in severity of pain and quality of life were compared between a control group (CG) and an experimental group (EG). Both groups participated in an educational session and the EG also received a 12-week exercise and walking protocol. Both groups were assessed at baseline and after three and six months by an independent observer. The Lequesne Index of Knee OA Severity (LI), the Health Assessment Questionnaire (HAQ) and the Medical Outcomes Short-Form Health Survey (SF-36) were used as measurement instruments. Results In the CG, the measures of quality of life (SF-36), the HAQ and the LI between subjects did not yield statistically significant differences over the three measurement points. For the EG, there was a significant improvement in function, measured by HAQ, and decreasing OA symptom severity, measured by LI. For the SF-36 there were significant improvements in physical function, functional role limitation and pain. Comparisons between the groups showed statistically significant differences after three and six months for all measures, except for the SF-36 emotional domains. Conclusion The exercise protocol and walking programme had a positive effect on the quality of life of elderly individuals with knee OA. Copyright © 2003 Whurr Publishers Ltd. [source] Preliminary validation of a Chinese version of the State-Trait Anger Expression Inventory-2ASIAN JOURNAL OF SOCIAL PSYCHOLOGY, Issue 1 2009Jonathan P. Maxwell The increased globalization of psychology and related fields necessitates the availability of psychometric instruments in a number of languages, countries and cultures. Unfortunately, research on anger and aggression in Chinese populations has suffered from a lack of valid and reliable measurement instruments. Therefore, the State-Trait Anger Expression Inventory-2 (STAXI-2) was translated into Chinese (Chinese STAXI-2). Two samples of Hong Kong Chinese (N = 489 and N = 775) completed the Chinese STAXI-2. Participants in the second sample also completed measures of anger rumination and aggression. Confirmatory factor analysis (CFA) of responses from the first sample resulted in the loss of nine items from the 57 original items due to misspecification. A second CFA, using responses from the second sample, supported the construct validity of the modified scale. Moderate correlations were observed with measures of aggression and anger rumination, and significant differences were found between males and females on three anger expression subscales (Anger Expression-In, Anger Control-Out, and Anger Control-In). The preliminary evidence suggests that the abbreviated inventory may be a useful measure of state and trait anger, and anger expression in some Chinese populations. [source] Development and growth in very preterm infants in relation to NIDCAP in a Dutch NICU: two years of follow-upACTA PAEDIATRICA, Issue 2 2009JM Wielenga Abstract Aim: To study development and growth in relation to newborn individualized developmental and assessment program (NIDCAP®) for infants born with a gestational age of less than 30 weeks. Methods: Developmental outcome of surviving infants, 25 in the NIDCAP group and 24 in the conventional care group, in a prospective phase-lag cohort study performed in a Dutch level III neonatal intensive care unit (NICU) was compared. Main outcome measure was the Bayley scales of infant development-II (BSID-II) at 24 months corrected age. Secondary outcomes were neurobehavioral and developmental outcome and growth at term, 6, 12 and 24 months. Results: Accounting for group differences and known outcome predictors no significant differences were seen between both care groups in BSID-II at 24 months. At term age NIDCAP infants scored statistically significant lower on neurobehavioral competence; motor system (median [IQR] 4.8 [2.9,5.0] vs. 5.2 [4.3,5.7], p = 0.021) and autonomic stability (median [IQR] 5.7 [4.8,6.7] vs. 7.0 [6.0,7.7], p = 0.001). No differences were seen in other developmental outcomes. After adjustment for background differences, growth parameters were comparable between groups during the first 24 months of life. Conclusion: At present, the strength of conclusions to be drawn about the effect of NIDCAP on developmental outcome or growth at 24 months of age is restricted. Further studies employing standardized assessment approaches including choice of measurement instruments and time points are needed. [source] | |||||||||||||