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2007:
Saarni Suoma E; Silventoinen Karri; Rissanen Aila; Sarlio-Lähteenkorva Sirpa; Kaprio Jaakko
Recurrent dieting and smoking among Finnish men and women.
Obesity (Silver Spring, Md.) 2007;
15(
7):.
OBJECTIVE: To examine the association of smoking with recurrent dieting and BMI among Finnish adults. RESEARCH METHODS AND PROCEDURES: We used questionnaire data from 1990 on 11,055 subjects from the Finnish Twin Cohort who were 33 to 61 years of age. Multinomial logistic regression analysis was carried out using lifetime dieting as the outcome variable and smoking as the main explanatory variable, adjusted for BMI and age. Twin pairs discordant for dieting and smoking were studied to examine the effect of environmental and genetic factors. RESULTS: Among women, current smokers [odds ratio (OR), 1.09 to 1.41 at different ages] and former smokers (OR, 1.52 to 2.82) were more likely to have dieted recurrently than never smokers. Among men, current smokers were less likely (OR, 0.69; 95% confidence interval, 0.55, 0.87) and former smokers were more likely (OR, 1.30; 95% confidence interval, 1.05, 1.61) to have dieted recurrently at different ages. The differences between the discordant pairs were consistent with this, although not statistically significant. DISCUSSION: Recurrent dieting was associated with former smoking in both sexes and with current smoking in women.
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