نتایج جستجو برای: working hour
تعداد نتایج: 269341 فیلتر نتایج به سال:
OBJECTIVE To analyze the variables associated with fatigue perception and workability on workers working 12-hour fixed night and day shifts. METHODS A cross-sectional study was carried out. Forty-three workers, working 12-hour fixednight and day shifts in a textile factory, filled out questionnaires about fatigue, workability index, individual characteristics, life style and working condition...
The effects of working hours on health were examined taking psychological job strain into account. White-collar workers employed at the main office of a Japanese manufacturing company provided data for analysis done in 1997. The eligible subjects were 286 workers aged 20-39. Causal relationships between working hours, health, and psychological job strain were examined by covariance structure an...
In a review of the medical and social aspects of shift work Taylor (1970) points out that many of the most important questions relating to shift work remain to be answered. One of these questions, on which evidence to date has been almost nonexistent, is the effect of a twelve-hour shift system on absence attributed to sickness. An opportunity to examine this occurred in 1973 when a change was ...
BACKGROUND. Shift work is related to fatigue and desynchronization with the external environment. This study investigates how 6-h shifts and 12-h shifts affects sleep and safety in workers onboard offshore supply vessels, and if any differences exist between the two working schedules. MATERIAL AND METHODS. A questionnaire study was carried out in the North Sea, Australia, Africa, South America,...
BACKGROUND Poor outcomes have been reported for stroke patients admitted outside of regular working hours. However, few studies have adjusted for case severity. In this nationwide assessment, we examined relationships between hospital admission time and disabilities at discharge while considering case severity. METHODS AND RESULTS We analyzed 35 685 acute stroke patients admitted to 262 hospi...
a 51 hour (3 credit) lecture course entitled pharmaceutical biotechnology is outlined which details the biochemistry and biotechnology of biological drug products. it is designed to equip students undertaking pharmacy program with an understanding of concepts, both academic and applied, directly relevant to working in the biotechnological products sector. in addition to the course, a bank of re...
objective: to find shortest and reliable time period of urine collection for determination of proteinuria. materials and methods: it is a prospective study carried out on 125 pregnant women with preeclampsia after 20 weeks of gestation having urine albumin >1 using dipstick test. urine was collected in five different time intervals in colors labeled containers with the assistance of nursing sta...
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