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This study is the first to investigate the joint effects of job strain and informal caregiving on long-term sickness absence. The main finding was that informal caregiving responsibilities and/or high job strain predicted long-term sickness absence among women.

The present paper contributes to the understanding of the role of early life stress in health across the life span and of the mechanisms by which adverse childhood environments impact health as children emerge into early adulthood. This knowledge will have implications for early intervention efforts.

The results provide further insight into the mechanisms behind the "biological embedding" of childhood stress.

Objective Studies investigating health effects of work and family stress usually consider these factors in isolation. The present study investigated prospective interactive effects of job strain and informal caregiving on allostatic load (AL), a multisystem indicator of physiological dysregulation. Methods Subjects were 7,007 British civil servants from the Whitehall II cohort study. Phase 3 (1991-1994) served as the baseline, Phases 5 (1997-1999) and 7 (2002-2004) as follow-ups. Job strain (high job demands combined with low control) and caregiving (providing care to aged or disabled relatives) were assessed at baseline. AL index (possible range 0-9) was assessed at baseline and both follow-ups based on 9 cardiovascular, metabolic and immune biomarkers. Linear mixed effect models were used to examine the association of job strain and caregiving with AL. Results High caregiving burden (above the sample median weekly hours of providing care) predicted higher AL levels, with the effect strongest in those also reporting job strain [b = 0.36, 95% CI: 0.01– 0.71)]; however, the interaction between job strain and caregiving was not significant (p = 0.56). Regardless of job strain, participants with low caregiving burden (below sample median) had lower subsequent AL levels than non-caregivers [b = 0.22, 95% CI: 0.06–0.37]. Conclusions The study provides some evidence for adverse effects of stress at work combined with family demands on physiological functioning. However, providing care to others may also have health protective effects if it does not involve excessive time commitment.

The goal of this study was to test the hypothesis that the extent to which orthography affects spoken word recognition in literate adults is related to their spelling proficiency. The study included two components: an auditory lexical decision task manipulating orthographic consistency of the stimuli and a spelling test. The results replicated previously found effects of orthographic consistency on the accuracy and latency of lexical decisions. The size of the orthographic effect in the auditory task was estimated for each participant. The variability in the orthographic effect size among participants was partially explained by their spelling skills. Possible interpretations of this finding and methodological implications for future research are discussed.

PurposeThe DANish LIFE course (DANLIFE) cohort is a prospective register-based study set up to investigate the complex life course mechanisms linking childhood adversities to health and well-being in childhood, adolescence and young adulthood including cumulative and synergistic actions and potentially sensitive periods in relation to health outcomes.ParticipantsAll children born in Denmark in 1980 or thereafter have successively been included in the cohort totalling more than 2.2 million children. To date, the study population has been followed annually in the nationwide Danish registers for an average of 16.8 years with full data coverage in the entire follow-up period. The information is currently updated until 2015.Findings to dateDANLIFE provides information on a wide range of family-related childhood adversities (eg, parental separation, death of a parent or sibling, economic disadvantage) with important psychosocial implications for health and well-being in childhood, adolescence and young adulthood. Measurement of covariates indicating demographic (eg, age, sex), social (eg, parental education) and health-related factors (eg, birth weight) has also been included from the nationwide registers. In this cohort profile, we provide an overview of the childhood adversities and covariates included in DANLIFE. We also demonstrate that there is a clear social gradient in the exposure to childhood adversities confirming clustering of adverse experiences within individuals.Future plansDANLIFE provides a valuable platform for research into early life adversity and opens unique possibilities for testing new research ideas on how childhood adversities affect health across the life course.

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