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Br J Health Psychol. 2004 May;9(Pt 2):127-36.

Does work stress predict insomnia? A prospective study.

Author information

1
Department of Occupational and Environmental Medicine, Orebro University Hospital and Department of Behavioral, Social and Legal Sciences, Orebro University, Sweden. steven.linton@oreboll.se

Abstract

OBJECTIVES:

The aim of this study was to investigate the one-year development of self-reported sleep problems in workers with no sleep problem at baseline, and to evaluate the role of work stress in the etiology of a new episode.

DESIGN:

A prospective design was employed.

METHODS:

A total of 816 employees with no sleeping problems during the past three months completed a baseline questionnaire concerning their general health, working hours and working conditions. One year later they were contacted again to ascertain whether they were experiencing problems sleeping.

RESULTS:

At the follow-up, the three-month point prevalence of self-reported sleep problems for this population was 14.3%. While controlling for age and gender, it was found that irregular working hours and general health were not significantly related to the development of a new episode of sleeping problems. However, stress in the form of a 'poor' psychosocial work environment increased the risk of a new episode by more than twofold (odds ratio 2:15). The attributable fraction suggested that eliminating stress could prevent 53% of the cases.

CONCLUSION:

In a population of employees with no reported sleeping problems, 14.3% developed a sleeping problem during the coming year. Even when controlling for possible confounders, stress in the form of a 'poor' psychosocial work environment doubled the risk of developing a sleep problem.

PMID:
15125800
DOI:
10.1348/135910704773891005
[Indexed for MEDLINE]

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