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Effort-reward imbalance at work and risk of sleep disturbances. Cross-sectional and prospective results from the Danish Work Environment Cohort Study.
J Psychosom Res. 2009 Jan; 66(1):75-83.JP

Abstract

OBJECTIVES

This study aimed to analyze if adverse psychosocial working conditions, defined by the model of effort-reward imbalance (ERI), increase the risk of sleep disturbances in the Danish workforce.

METHODS

Analyses were conducted both cross-sectionally and prospectively in a representative sample of Danish employees. The cross-sectional sample included 2614 participants (50% women) aged 18-59 years, of whom 263 had sleep disturbances. Of the 2351 participants initially free of sleep disturbances, 304 (12.9%) developed sleep disturbances during the 5-year follow-up. Data were analyzed with gender-stratified, multivariate logistic and linear regression analyses, adjusted for numerous covariates.

RESULTS

Cross-sectionally, a 1 S.D. increase in the ERI ratio was associated with sleep disturbances among both men [odds ratio (OR)=1.65, 95% confidence interval (CI)=1.20-2.27] and women (OR=1.82, 95% CI=1.46-2.28). In the prospective analysis, a 1 S.D. increase of the ERI ratio at baseline predicted the onset of sleep disturbances among men (OR=1.39, 95% CI=1.03-1.87) but not among women (OR=0.97, 95% CI=0.76-1.24).

CONCLUSION

Among men, ERI is a risk factor for the development of sleep disturbances in the Danish workforce. Among women, an association between ERI and sleep disturbances was restricted to the cross-sectional sample. Improving psychosocial working conditions might reduce the risk of sleep disturbances and subsequently also help to prevent clinical disorders related to sleep disturbances.

Authors+Show Affiliations

National Research Centre for the Working Environment, Copenhagen, Denmark. rer@nrcwe.dkNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19073297

Citation

Rugulies, Reiner, et al. "Effort-reward Imbalance at Work and Risk of Sleep Disturbances. Cross-sectional and Prospective Results From the Danish Work Environment Cohort Study." Journal of Psychosomatic Research, vol. 66, no. 1, 2009, pp. 75-83.
Rugulies R, Norborg M, Sørensen TS, et al. Effort-reward imbalance at work and risk of sleep disturbances. Cross-sectional and prospective results from the Danish Work Environment Cohort Study. J Psychosom Res. 2009;66(1):75-83.
Rugulies, R., Norborg, M., Sørensen, T. S., Knudsen, L. E., & Burr, H. (2009). Effort-reward imbalance at work and risk of sleep disturbances. Cross-sectional and prospective results from the Danish Work Environment Cohort Study. Journal of Psychosomatic Research, 66(1), 75-83. https://doi.org/10.1016/j.jpsychores.2008.05.005
Rugulies R, et al. Effort-reward Imbalance at Work and Risk of Sleep Disturbances. Cross-sectional and Prospective Results From the Danish Work Environment Cohort Study. J Psychosom Res. 2009;66(1):75-83. PubMed PMID: 19073297.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effort-reward imbalance at work and risk of sleep disturbances. Cross-sectional and prospective results from the Danish Work Environment Cohort Study. AU - Rugulies,Reiner, AU - Norborg,Malene, AU - Sørensen,Tilde Sand, AU - Knudsen,Lisbeth E, AU - Burr,Hermann, Y1 - 2008/11/22/ PY - 2007/10/12/received PY - 2008/04/10/revised PY - 2008/05/06/accepted PY - 2008/12/17/entrez PY - 2008/12/17/pubmed PY - 2009/3/24/medline SP - 75 EP - 83 JF - Journal of psychosomatic research JO - J Psychosom Res VL - 66 IS - 1 N2 - OBJECTIVES: This study aimed to analyze if adverse psychosocial working conditions, defined by the model of effort-reward imbalance (ERI), increase the risk of sleep disturbances in the Danish workforce. METHODS: Analyses were conducted both cross-sectionally and prospectively in a representative sample of Danish employees. The cross-sectional sample included 2614 participants (50% women) aged 18-59 years, of whom 263 had sleep disturbances. Of the 2351 participants initially free of sleep disturbances, 304 (12.9%) developed sleep disturbances during the 5-year follow-up. Data were analyzed with gender-stratified, multivariate logistic and linear regression analyses, adjusted for numerous covariates. RESULTS: Cross-sectionally, a 1 S.D. increase in the ERI ratio was associated with sleep disturbances among both men [odds ratio (OR)=1.65, 95% confidence interval (CI)=1.20-2.27] and women (OR=1.82, 95% CI=1.46-2.28). In the prospective analysis, a 1 S.D. increase of the ERI ratio at baseline predicted the onset of sleep disturbances among men (OR=1.39, 95% CI=1.03-1.87) but not among women (OR=0.97, 95% CI=0.76-1.24). CONCLUSION: Among men, ERI is a risk factor for the development of sleep disturbances in the Danish workforce. Among women, an association between ERI and sleep disturbances was restricted to the cross-sectional sample. Improving psychosocial working conditions might reduce the risk of sleep disturbances and subsequently also help to prevent clinical disorders related to sleep disturbances. SN - 0022-3999 UR - https://www.unboundmedicine.com/medline/citation/19073297/Effort_reward_imbalance_at_work_and_risk_of_sleep_disturbances__Cross_sectional_and_prospective_results_from_the_Danish_Work_Environment_Cohort_Study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0022-3999(08)00222-5 DB - PRIME DP - Unbound Medicine ER -