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Fruit and vegetable intakes and asthma in the E3N study.

Abstract : BACKGROUND: A study was undertaken to investigate whether dietary intake predicted the prevalence of adult asthma among French women participating in the E3N study. METHODS: Of 68 535 women who completed a food frequency questionnaire in 1993 which included 238 food items, 2145 (3.1%) reported having asthma. The distribution of food intake was divided into quartiles (Q(1)-Q(4)) and the prevalence of asthma was compared between the different quartiles (lowest as reference) using logistic regression models on cross sectional data. RESULTS: After adjusting for age, body mass index, menopausal status, smoking status, total caloric intake, physical activity, and use of dietary supplements, women who had a greater intake of tomatoes (OR(Q1-Q4) 0.85 95% CI 0.75 to 0.96, test for trend p = 0.02), carrots (OR(Q1-Q4) 0.81 95% CI 0.72 to 0.92, test for trend p = 0.0003), and leafy vegetables (OR(Q1-Q4) 0.82 95% CI 0.73 to 0.93, test for trend p = 0.0009) had a lower prevalence of asthma. Apples were marginally related to the prevalence of asthma. No other fruits or vegetables were significantly associated with asthma prevalence. CONCLUSIONS: These results suggest that the intake of some vegetables may decrease the prevalence of adult asthma.
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Submitted on : Friday, April 27, 2007 - 9:19:56 AM
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Isabelle Romieu, Raphaëlle Varraso, Valérie Avenel, Bénédicte Leynaert, Francine Kauffmann, et al.. Fruit and vegetable intakes and asthma in the E3N study.. Thorax, BMJ Publishing Group, 2006, 61 (3), pp.209-15. ⟨10.1136/thx.2004.039123⟩. ⟨inserm-00143617⟩



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