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J Occup Environ Med. 2012 Sep;54(9):1092-100. doi: 10.1097/JOM.0b013e318266482d.

Work environment and psychosocial factors affecting physical activity among Taiwanese information technology professionals: a structural equation modeling approach.

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1
School of Nursing, China Medical University, Taichung, Taiwan. yunping@umich.edu

Abstract

OBJECTIVE:

To examine the relationships among work environment, psychosocial factors, and physical activity (PA) among information technology (IT) professionals.

METHODS:

This was a cross-sectional survey of 576 IT professionals from three IT companies in Taiwan. Structural equation modeling was used to test a theoretically supported model using social cognitive theory, incorporating variables from the demand-control model.

RESULTS:

Higher levels of PA were positively associated with supportive workplace environments, positive outcome expectations, and self-efficacy for PA. Self-efficacy partially mediated the effects of supportive workplace environments on PA. Job strain had an indirect effect on PA through self-efficacy. The final model accounted for 31% of the variance in PA.

CONCLUSIONS:

Work environment and psychosocial factors are both important. Workplace PA interventions directed toward individuals' self-efficacy and outcome expectations in the context of supportive environments may be useful.

PMID:
22929795
DOI:
10.1097/JOM.0b013e318266482d
[Indexed for MEDLINE]
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