Journal
INTERNATIONAL JOURNAL OF OBESITY
Volume 28, Issue 12, Pages 1569-1574Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/sj.ijo.0802795
Keywords
fruits and vegetables; weight gain; prospective study
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Funding
- NCI NIH HHS [CA87969] Funding Source: Medline
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OBJECTIVE: To examine the changes in intake of fruits and vegetables in relation to risk of obesity and weight gain among middle-aged women. DESIGN: Prospective cohort study with 12 y of follow-up conducted in the Nurses' Health Study. SUBJECTS: A total of 74 063 female nurses aged 38-63 y, who were free of cardiovascular disease, cancer, and diabetes at baseline in 1984. MEASUREMENTS: Dietary information was collected using a validated food frequency questionnaire, and body weight and height were self-reported. RESULTS: During the 12-y follow-up, participants tended to gain weight with aging, but those with the largest increase in fruit and vegetable intake had a 24% of lower risk of becoming obese (BMIgreater than or equal to30 kg/m(2)) compared with those who had the largest decrease in intake after adjustment for age, physical activity, smoking, total energy intake, and other lifestyle variables ( relative risk (RR), 0.76; 95% confidence interval (CI), 0.69-0.86; P for trend < 0.0001). For major weight gain (>= 25 kg), women with the largest increase in intake of fruits and vegetables had a 28% lower risk compared to those in the other extreme group ( RR, 0.72; 95% CI, 0.55-0.93; P = 0.01). Similar results were observed for changes in intake of fruits and vegetables when analyzed separately. CONCLUSIONS: Our findings suggest that increasing intake of fruits and vegetables may reduce long-term risk of obesity and weight gain among middle-aged women.
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