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Environmental hazards at work and mental health: a UK Biobank Retrospective Cohort Study
Winnie Wy Lam1, Evangelia Demou2, Frederick K Ho2
1University of Leeds, Leeds, England, United Kingdom.
Objectives:
This study aims to examine the associations between exposure to very noisy, hot, or cold work environments and mental health.
Methods:
This retrospective cohort study included 117,675 UK Biobank participants. Linear regression analyses were used to analyse the association between retrospective full-time equivalent years of exposure to environmental hazards and self-reported mental health. A generalised additive model with penalised cubic spline was used to examine the non-linear association of cumulative exposure to hazards with mental health.
Results:
Exposure to each work environmental hazard was associated with worse mental health. Non-linear association analysis showed a possible ceiling effect after 2-3 years of exposure to very hot environments. The associations were less pronounced in those working in professional/managerial roles and male participants.
Conclusions:
The results support establishing safe noise and temperature levels for mental health.
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