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Int J Environ Res Public Health. 2011 Apr;8(4):931-43. doi: 10.3390/ijerph8040931. Epub 2011 Mar 28.

Perceived environmental factors associated with physical activity among normal-weight and overweight Japanese men.

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Graduate School of Sport Sciences, Waseda University, Nakamura Lab 2-579-15 Mikajima Tokorozawa, Saitama 359-1192, Japan.


Although it is crucial to examine the environmental correlates of physical activity (PA) for developing more effective interventions for overweight populations, limited studies have investigated differences in the environmental correlates on body mass index (BMI). The purpose of the present study was to examine the perceived environmental correlates of PA among normal-weight and overweight Japanese men. Data were analyzed for 1,420 men (aged 44.4 ± 8.3 years), who responded to an internet-based cross-sectional survey of answering the short version of the International Physical Activity Questionnaire and its Environment Module. Binary logistic regression analyses were utilized to examine the environmental factors associated with meeting the PA recommendation (150 minutes/week) between the normal-weight and overweight men. After adjusting for socio-demographic variables, common and different environmental correlates of PA were observed among normal-weight and overweight men. Furthermore, significant interactions regarding PA were observed between BMI status and two environmental correlates: access to public transportation (P = 0.03) and crime safety during the day (P = 0.01). The results indicated that BMI status is a potential moderator between perceived environmental factors and PA and suggested that different environmental intervention approaches should be developed for overweight populations.


BMI; Japan; moderate-to-vigorous physical activity; moderator; overweight; perceived environment; physical activity recommendation; walking

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