Effects of psychosocial work factors on preterm birth: systematic review and meta-analysis.

Objectives: Preterm birth is one of the global public health issues that result in high rates of infant mortality and long-term health complications. We sought to explore the association between psychosocial work factors and preterm birth.

Study Design: Systematic review and meta-analysis.

Methods: This systematic review and meta-analysis searched relevant literature from electronic databases to explore the association between psychosocial work factors and preterm birth. The methodological quality of the included studies was evaluated through the Joanna Briggs Institute's critical appraisal method. We performed a meta-analysis using a random-effects model to combine odds ratios (ORs) from studies with similar definitions of exposure and outcome. The quality of the evidence was evaluated using the GRADE (Grade of recommendation, Assessment, development, and Evaluation) method to assess.

Results: Ten studies were included, with a total of 92,815 participants. Moderate evidence indicated a positive association between high psychosocial job strain and preterm birth. The result from the meta-analysis supported the statistical significance of this relationship (OR 1.32 [95% CI (1.22-1.44)]).

Conclusions: Pregnant women who experience high levels of psychosocial job strain are more likely to give birth prematurely. In order to decrease this risk, employers should prioritise creating supportive work environments, government bodies should enact protective policies and regulations, and clinicians should give advice to pregnant working women. Pregnant women should be aware of the risk of preterm birth from psychosocial work factors.