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Effects of a Theory Based Intervention on Physical Activity Among Female Employees: A Quasi-Experimental Study - PubMed

  • ️Fri Jan 01 2016

. 2016 May 18;7(2):e31534.

doi: 10.5812/asjsm.31534. eCollection 2016 Jun.

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Effects of a Theory Based Intervention on Physical Activity Among Female Employees: A Quasi-Experimental Study

Masoud Shafieinia et al. Asian J Sports Med. 2016.

Abstract

Background: Regular physical activity has been highlighted as an important factor in decreasing about 25 factors harmful to health, such as obesity, diabetes, heart failure, depression and osteoporosis. Female office workers, because of the long hours they stay seated in their workplace, are seriously threatened by immobility. The Theory of Planned Behavior has been successfully used several times to predict PA behaviorphysical activity (PA). The TPB studies also have identified perceived behavioral control as the key determinant of walking intentions.

Objectives: The present study aims to assess the effectiveness of an intervention based on TPB to improve attitude, perceived behavioral control, Subjective norms, behavioral intention and PA behavior among female office workers.

Materials and methods: The present study is an interventional, quasi-experimental study. Participants were 95 female office workers of the Tehran University that divided randomly in two case and control groups. Using the theory of planned behavior questionnaire and the International physical activity questionnaire, the participants were evaluated before the training and three months after that. The training was provided in the form of four 90-minute training sessions and some electronic messages sent through office automation system once every two weeks.

Results: The intervention increased PBC, attitudes, intentions and objectively measured PA behavior. The effects of the intervention on intentions and behavior were mediated by PBC.

Conclusions: The present study has provided some of the data toward understanding determinants of physical activity behavior in female office workers. Specifically, the results suggest that interventions designed to promote physical activity in this population should focus on the development of PBC as well as positive attitude toward PA.

Keywords: Behavior Control; Office Workers; Physical Activity; Walking.

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