Night shift work, long working hours and dementia: a longitudinal study of the Danish Work Environment Cohort Study.

ABSTRACT:

Objective

Shift work and long working hours are potential risk factors for dementia, but previous studies on shift work, long working hours and dementia are sparse and their findings are conflicting. Therefore, we investigated the effect of night shift work and long working hours on dementia.

Design

A longitudinal study.

Setting

Denmark.

Participants

3435 occupationally active men and women from the general working population.

Methods

Work schedule covered day work (reference) and shift schedules without/with night work. Working hours covered <27, 28-36, 37 (reference), 38-44, and ≥45 hours/week. As the primary outcome, we used register-based information about dementia, and estimated incidence rate ratios (IRR) and 95% CI. Estimates were adjusted for gen

SUBMITTER: Nabe-Nielsen K 

PROVIDER: S-EPMC6538206 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature