Can physical activity minimize weight gain in women after smoking cessation?

I. Kawachi, R.J. Troisi, Andrea Rotnitzky, E.H. Coakley and G.A. Colditz

American Journal of Public Health, 1996, vol. 86, issue 7, 999-1004

Abstract: Objectives. The purpose of this study was to examine prospectively whether exercise can modify weight gain after smoking cessation in women. Methods. Data were analyzed from a 2-year follow-up period (1986-1988) in the Nurses' Health Study, an ongoing cohort of 121 700 US women aged 40 to 75 in 1986. Results. The average weight gain over 2 years was 3.0 kg in the 1474 women who stopped smoking, and 0.6 kg among the 7832 women who continued smoking. Among women smoking 1 to 24 cigarettes per day, those who quit without changing their levels of exercise gained an average of 2.3 kg more (95% confidence interval [CI] = 1.9, 2.6) than women who continued smoking. Women who quit and increased exercise by between 8 to 16 MET-hours (the work metabolic rate divided by the resting metabolic rate) per week gained 1.8 kg (95% CI = 1.0, 2.5), and the excess weight gain was only 1.3 kg (95% CI = 0.7, 1.9) in women who increased exercise by more than 16 MET-hours per week. Conclusions. Smoking cessation is associated with a net excess weight gain of about 2.4 kg in middle-aged women. However, this weight gain is minimized if smoking cessation is accompanied by a moderate increase in the level of physical activity.

Date: 1996
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:1996:86:7:999-1004_3

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