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OBJECTIVE The present study used information from a field study conducted among 4489 civil servants (70% women) in Denmark in 2007. The purpose was to examine the association between sleep problems and salivary cortisol by using a cross-sectional design with repeated measures in a subsample three-month later. METHODS Sleep problems during the past night(More)
BACKGROUND Sex hormones closely regulate development of the male genital organs during fetal life. The hypothesis that xenobiotics may disrupt endogenous hormonal signalling has received considerable scientific attention, but human evidence is scarce. OBJECTIVES We analyse occurrence of hypospadias and cryptorchidism according to maternal and paternal(More)
BACKGROUND Low participation in population-based follow-up studies addressing psychosocial risk factors may cause biased estimation of health risk but the issue has seldom been examined. We compared risk estimates for selected health outcomes among respondents and the entire source population. METHODS In a Danish cohort study of associations between(More)
Brain-derived neurotrophic factor (BDNF) has been suggested as a candidate gene for depression and numerous studies have investigated the possible association between genetic variants within BDNF and depression. Clinical studies have investigated the serum BDNF levels in individuals with depression. However, few studies have combined genetic association(More)
BACKGROUND Since updated population registers do not exist in many countries it is often difficult to sample valid population controls from the study base to a case-control study. Use of patient controls is an alternative option if the exposure experience under study for these patients are interchangeable with the experience for population controls. Patient(More)
BACKGROUND We studied musculoskeletal diseases (MSD) and injuries among fishermen and seamen with focus on low back disorders, carpal tunnel syndrome (CTS), rotator cuff syndrome and arthrosis. METHODS Cohorts of all male Danish seamen (officers and non-officers) and fishermen employed 1994 and 1999 with at least six months employment history were linked(More)
OBJECTIVE To examine whether a shift in work-related bullying status, from being non-bullied to being bullied or vice versa, was associated with changes in reporting of personality characteristics. METHODS Data on bullying and personality (neuroticism, extraversion, and sense of coherence) were collected in three waves approximately 2 years apart (N =(More)
OBJECTIVES A systematic overview of time trends in hospital contacts among Danish seafarers and fishermen by job title and analyses on skin and infectious diseases. METHODS Occupational cohorts with hospital contacts 1994-1998 and 1999-2003. Standardized hospital contact ratios (SHCR) were estimated using national rates and ranked by SHCR size. RESULTS(More)
BACKGROUND Exposure to infectious pathogens is a frequent occupational hazard for women who work with patients, children, animals or animal products. The purpose of the present study is to investigate if women working in occupations where exposure to infections agents is common have a high risk of infections and adverse pregnancy outcomes. METHODS We used(More)
OBJECTIVES This study aims to investigate whether incident workplace bullying and its dicontinuance is related to subsequent change in morning and evening saliva cortisol concentrations. METHODS Participants came from two Danish cohort studies, the PRISME cohort (n=4489) and the Workplace Bullying and Harassment Cohort (n=3707). At baseline and follow-up(More)