Activity level and risk of overweight in male health professionals

P.L.Y.H. Ching, W.C. Willett, E.B. Rimm, G.A. Colditz, S.L. Gortmaker and M.J. Stampfer

American Journal of Public Health, 1996, vol. 86, issue 1, 25-30

Abstract: Objectives. This study undertook to examine relationships between nonsedentary activity level, time spent watching television (TV)/videocassette recorder (VCR), and risk of overweight among men. Methods. Men participating in the Health Professionals Follow-Up Study were mailed surveys. Cross-sectional analyses examined the prevalence and odds of being overweight; prospective analyses determined cumulative incidence rates and relative risks of becoming overweight over 2 years of follow-up. Results. Cross-sectionally, odds of being overweight were 50% (95% confidence interval [CI] = 45%, 55%) lower for men in the highest quintile of nonsedentary activity level when compared with men in the lowest quintile. Among men watching 41 or more hours of TV/VCR per week, the odds of being overweight were 4.06 (95% CI = 2.67, 6.17) times greater than those for men watching no more than 1 hour per week. Prospectively, higher levels of nonsedentary activity and lower levels of TV/VCR viewing were independently associated with lower relative risks for becoming overweight between survey years. Conclusions. Both a lack of nonsedentary activity and time spent watching TV/VCR contribute to the development of overweight in men. Sedentary and nonsedentary activities represent separate domains, each with independent risks for overweight.

Date: 1996
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:1996:86:1:25-30_6

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