Combined exposure to lifting and psychosocial strain at work and adverse pregnancy outcomes—A study in the Danish National Birth Cohort
Danish
Job Strain
DOI:
10.1371/journal.pone.0201842
Publication Date:
2018-09-19T13:37:18Z
AUTHORS (9)
ABSTRACT
Background Previous studies have investigated physical and psychosocial job exposures separately in relation to foetal growth. We therefore if occupational lifting strain interact affect growth gestational length. hypothesised that heavy high would increase the risk of impacted (small or large for age) preterm birth. Methods The cohort included 47,582 pregnancies from Danish National Birth Cohort (1996–2002), where woman was pregnant at 22 weeks (GW), expected one child worked ≥30 hours/week. Information on derived an interview (16±3.0 GW). Data calculate small age (SGA/LGA) length retrieved Medical Register. Interaction between (Karasek’s model) analysed by multinomial logistic regression. Results Overall, adjusted regression analysis showed statistically significant interaction SGA LGA. For each additional 250 kg lifted/day, women (high Demand/low Control) had increased odds giving birth a LGA-child (OR = 1.15; 95% CI 1.06–1.26), whereas active group Demand/high 1.12; 1.03–1.23). When ≤1000 kg/day were excluded sensitivity analyses became insignificant. No found Conclusions main findings may give some support our hypothesis, as combination with LGA child. This finding was, however, not supported no association relative
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