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Logo of bmcphBioMed Centralsearchsubmit a manuscriptregisterthis articleBMC Public Health
 
BMC Public Health. 2012; 12: 278.
Published online 2012 May 21. doi:  10.1186/1471-2458-12-278
PMCID: PMC3357319
Copyright ©2012 Liao et al; licensee BioMed Central Ltd.
Association of self-reported physical activity patterns and socio-demographic factors among normal-weight and overweight Japanese men
Yung Liao,corresponding author1 Kazuhiro Harada,2,3 Ai Shibata,3 Kaori Ishii,3 Koichiro Oka,3 Yoshio Nakamura,3 Shigeru Inoue,4 and Teruichi Shimomitsu4
1Graduate School of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa, Saitama, 359-1192, Japan
2Japan Society for the Promotion of Science, Sumitomo-Ichibancho Bldg., 6 Ichibancho, Chiyoda-ku, Tokyo, 102-8471, Japan
3Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa, Saitama, 359-1192, Japan
4Department of Preventive Medicine and Public Health, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo, 1608402, Japan
corresponding authorCorresponding author.
Yung Liao: anthroliao/at/fuji.waseda.jp; Kazuhiro Harada: harada-ka/at/fuji.waseda.jp; Ai Shibata: aishibata/at/aoni.waseda.jp; Kaori Ishii: ishiikaori/at/aoni.waseda.jp; Koichiro Oka: koka/at/waseda.jp; Yoshio Nakamura: nakamura/at/waseda.jp; Shigeru Inoue: inoue/at/tokyo-med.ac.jp; Teruichi Shimomitsu: tshimo/at/tokyo-med.ac.jp
Received October 12, 2011; Accepted April 10, 2012.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Background
It is still not known whether overweight men have different patterns and socio-demographic correlates of self-reported physical activity (PA) compared with normal-weight men. Thus, this study examined the perceived PA patterns and associated socio-demographic factors among normal-weight and overweight Japanese men.
Methods
Data were analyzed for 1,420 men (aged 44.48.3years) who responded to an Internet-based cross-sectional survey relating to socio-demographic variables, BMI status, and a short version of the International Physical Activity Questionnaire. Mann-Whitney, chi-square, and binary logistic regression analyses were employed.
Results
Normal-weight men were significantly more likely to attain 150 minutes per week of moderate-to-vigorous PA than overweight men (26.6% vs. 21.3%; p=0.035), whereas there were no significant proportional differences in total PA and walking between the two BMI subgroups. With PA, a significant interaction was observed between BMI status and household income (p=0.004 for total PA; p=0.02 for walking). In the subgroup analyses, having a lower household income (odds ratio, 0.63; 95% confidence interval, 0.41-0.96) was negatively associated with attaining 150 minutes of walking per week among normal-weight men. No significant associations between household income and attaining 150 minutes per week of total PA and walking were found among overweight men.
Conclusions
The results revealed that patterns and socio-demographic correlates of self-reported PA in overweight men are different from those in normal-weight men. This finding suggests the necessity of developing specific strategies for PA intervention among overweight men. Socio-demographic correlates of PA may be more important for normal-weight than overweight men.
Keywords: Physical activity patterns, Socio-demographic factors, Overweight, BMI, Japanese
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