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. 2006 Mar;61(3):209-15.
doi: 10.1136/thx.2004.039123. Epub 2006 Jan 5.

Fruit and vegetable intakes and asthma in the E3N study

I Romieu  1 , R Varraso, V Avenel, B Leynaert, F Kauffmann, F Clavel-Chapelon
Affiliations

Fruit and vegetable intakes and asthma in the E3N study

I Romieu et al. Thorax. 2006 Mar.

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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Conflict of interest statement

Competing interests: none declared.

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