Effort-reward imbalance and sedentary lifestyle: an observational study in a large occupational cohort

Kouvonen, Anne and Kivimäki, Mika and Elovainio, Marko and Pentti, Jaana and Linna, Anne and Virtanen, Marianna and Vahtera, Jussi (2006) Effort-reward imbalance and sedentary lifestyle: an observational study in a large occupational cohort. Occupational and Environmental Medicine, 63 . pp. 422-427.

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Abstract

Objectives: To investigate the association between effort-reward imbalance (ERI) at work and sedentary lifestyle. Methods: Cross-sectional data from the ongoing Finnish Public Sector Study related to 30 433 women and 7718 men aged 17-64 were used (n = 35 918 after exclusion of participants with missing values in covariates). From the responses to a questionnaire, an aggregated mean score for ERI in a work unit was assigned to each participant. The outcome was sedentary lifestyle defined as <2.00 metabolic equivalent task (MET) hours/day. Logistic regression with generalized estimating equations was used as an analysis method to include both individual and work unit level predictors in the models. Adjustments were made for age, marital status, occupational status, job contract, smoking, and heavy drinking. Results: Twenty five percent of women and 27% of men had a sedentary lifestyle. High individual level ERI was associated with a higher likelihood of sedentary lifestyle both among women (odds ratio (OR) = 1.08, 95% CI 1.01 to 1.16) and men (OR = 1.17, 95% CI 1.02 to 1.33). These associations were not explained by relevant confounders and they were also independent of work unit level job strain measured as a ratio of job demands and control. Conclusions: A mismatch between high occupational effort spent and low reward received in turn seems to be associated with an elevated risk of sedentary lifestyle, although this association is relatively weak.

Item Type:Article
Uncontrolled Keywords:effort-reward imbalance; physical activity; sedentary lifestyle; work stress
Schools/Departments:Faculty of Social Sciences, Law and Education > Institute of Work, Health and Organization
ID Code:848
Deposited By:Kouvonen, Dr Anne
Deposited On:07 Mar 2008 14:18
Last Modified:07 Mar 2008 14:19

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