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Shift work and diabetes: a meta-analysis
  1. Rahman Shiri
  1. Correspondence to
    Dr Rahman Shiri, Centre of Expertise for Health and Work Ability, and Disability Prevention Centre, Finnish Institute of Occupational Health, 00250 Helsinki, Finland; rahman.shiri{at}

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In a meta-analysis, Gan et al 1 found a stronger association between shift work and diabetes for men than for women. In that meta-analysis, three studies contributed to the pooled estimate by 90% and nine studies by 10% only. Studies conducted among women were large-to-medium sized (3 studies, N=179 891), while studies conducted among men were small-to-medium sized (9 studies, N=24 629). It seems that gender difference in the magnitude of the association between shift work and diabetes is due to …

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  • Competing interests None.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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