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Work Areas (work + area)
Selected AbstractsSleep during the Antarctic winter: preliminary observations on changing the spectral composition of artificial lightJOURNAL OF SLEEP RESEARCH, Issue 3 2008GAVIN FRANCIS Summary Antarctic Base personnel live for 3 months in winter with no natural sunlight. This project compared sleep, by actigraphy, during periods of increased exposure to white light or blue enriched light in 2003. The primary aim was to help define the optimum spectral composition and intensity of artificial environmental light. Nine men and one woman (33 ± 7 years, mean ± SD), wore activity and light monitors continuously from 28.2 to 9.10, and kept sleep diaries. Extra light was provided by light boxes (standard white, 5300 K, or prototype blue enriched, 10 000K, Philips Lighting), which were turned on in bedrooms and in communal/work areas approximately 08.00,18.00 hours. After a no-treatment control period, 28.2,20.3, sequential 4,5 week periods of first white, then blue light, were imposed with a further control period 19.9,9.10. A limited baseline study in 2002 (no interventions) similarly measured light and activity in seven men and one woman (30 ± 7 years). Daily light exposure in winter (lux, mean ± SD) was doubled in 2003 (maximum 1039 ± 281, average 64 ± 21), compared to 2002 (572 ± 276 and 30 ± 11), P < 0.05 and P < 0.01, with no differences between white and blue light. There were no major differences in sleep between light conditions in 2003. A delay in sleep timing was found in midwinter compared to control (2003, bedtime, P < 0.05, sleep start, P < 0.05, sleep end, P < 0.01) and sleep fragmentation increased (P < 0.05). Sleep efficiency was slightly higher during all blue light periods compared to all white periods (P < 0.05). The use of higher intensity light of suitable spectral composition is proposed. [source] Machinery-Related Deaths: Relevance of Workplace Investigation and Antemortem Radiological Data in Reconstructing the FatalityJOURNAL OF FORENSIC SCIENCES, Issue 3 2010Giovanni Cecchetto M.D. Abstract:, Machinery-related fatalities are one of the leading causes of traumatic occupational deaths. In our report, we present the case of a 40-year-old male who suffered a severe head trauma while working in a cut-foam industry and died despite an early craniectomy. The radiological reconstruction of the skull based on preoperative computed tomography scans disclosed a large depressed conical fracture of the left parietal bone. The 3D-reconstruction of the work area, combined with a fit-matching analysis between the machinery and the depressed skull fracture allowed us to conclude that the head was crushed between the sliding bar of the cutting device and the metallic protuberance on the opposite side. The case underlines the importance of a detailed workplace investigation and of a thorough evaluation of all circumstantial, clinical, radiological, and autopsy data in the reconstruction of machinery-related fatalities to identify any possible legal responsibilities of the worker and/or the employer. [source] Employee affective and behavioral reactions to the spatial density of physical work environmentsHUMAN RESOURCE MANAGEMENT, Issue 1 2005Douglas R. May This field study of a medical clinic found that employees in spatially dense work areas (i.e., those with little space available per person) experienced higher levels of perceived crowding, transfer intentions, and tardiness, as well as lower work area satisfaction, than employees in low-density areas. Crowding perceptions explained the relations between spatial density and the measures of work area satisfaction and tardiness. Finally, when employees had high workloads and their jobs required physical movement, spatial density had weaker relations to crowding perceptions and area satisfaction than in other conditions. Implications of these findings for human resource practitioners are discussed. © 2005 Wiley Periodicals, Inc. [source] Rural-Urban Differences in the Social Climate Surrounding Environmental Tobacco Smoke: A Report From the 2002 Social Climate Survey of Tobacco ControlTHE JOURNAL OF RURAL HEALTH, Issue 1 2004Robert McMillen PhD ABSTRACT: Context: Although previous research has found smoking rates to be higher among residents of rural areas, few studies have investigated rural-urban differences in exposure to environmental tobacco smoke (ETS). Objective: This study contrasted the social climate surrounding ETS among Americans who resided in 5 levels of county urbanization. Design: Data were collected via telephone interviews administered to a representative sample of 3,009 civilian, noninstitutionalized adults over age 18 in the United States. Households were selected using random digit dialing procedures. Findings: Compared to residents of urban counties, rural residents reported fewer restrictions on smoking in the presence of children and lower incidences of smoking bans in households, family automobiles, work areas, convenience stores, fast-food restaurants, and restaurants. Interestingly, when rural-urban variations in knowledge and attitudes about ETS were examined, the magnitude of rural-urban differences was smaller or nonexistent for these indicators. Moreover, logistic regression models indicated that none of these rural-urban differences in knowledge and attitudes persisted after statistically controlling for region, smoking status, gender, race, age, and education factors. This suggests that the observed rural-urban differences in ETS bans could not be explained adequately by rural-urban differences in knowledge and attitudes about the dangers of ETS. Conclusions: The policy implications of this research point to a greater need in rural America for programs focusing on the restriction and elimination of ETS. They also suggest that programs focusing only on influencing the levels of ETS knowledge and attitudes among the general population may not be adequate in producing the desired change. [source] Process-related risk of beryllium sensitization and disease in a copper,beryllium alloy facility,AMERICAN JOURNAL OF INDUSTRIAL MEDICINE, Issue 3 2005Christine R. Schuler PhD Abstract Background Chronic beryllium disease (CBD), which primarily affects the lungs, occurs in sensitized beryllium-exposed individuals. At a copper,beryllium alloy strip and wire finishing facility we performed a cross-sectional survey to examine prevalences of beryllium sensitization and CBD, and relationships between sensitization and CBD and work areas/processes. Methods Current employees (185) were offered beryllium lymphocyte proliferation testing (BeLPT) for sensitization, clinical evaluation for CBD (if sensitized), and questionnaires. We obtained historical airborne beryllium measurements. Results Participation was 83%. Prevalences of sensitization and CBD were 7% (10/153) and 4% (6/153), respectively; this included employees with abnormal BeLPTs from two laboratories, four diagnosed with CBD during the survey, and one each diagnosed preceding and following the survey. Potential BeLPT laboratory problems were noted; one laboratory was twice as likely to have reported an abnormal result (P,<,0.05, all tests), and five times as likely to have reported a borderline or uninterpretable result (P,<,0.05, first blood draw and all tests). CBD risk was highest in rod and wire production (P,<,0.05), where air levels were highest. Conclusions Sensitization and CBD were associated with an area in which beryllium air levels exceeded 0.2 ,g/m3, and not with areas where this level was rarely exceeded. Employees at this copper,beryllium alloy facility had similar prevalences of sensitization and CBD as workers at facilities with higher beryllium air levels. Am. J. Ind. Med. 47:195,205, 2005. Published 2005 Wiley-Liss, Inc. [source] | ||||||||||