Long-term consumption of fruits and vegetables and risk of chronic obstructive pulmonary disease: a prospective cohort study of women

International Journal of Epidemiology
Joanna KaluzaA Wolk

Abstract

Fruits and vegetables, due to high antioxidant capacity, may protect the lung from oxidative damage caused by tobacco smoke and potentially prevent chronic obstructive pulmonary disease (COPD). Only one study based on baseline diet has examined fruit and vegetable consumption in relation to risk of COPD, and no previous studies have examined long-term diet. We investigated whether long-term fruit and vegetable consumption was associated with COPD incidence among 34 739 women (age 48-83 years) in the population-based prospective Swedish Mammography Cohort. Fruit and vegetable consumption was assessed twice (1987, 1997) with a self-administered questionnaire. Cases of COPD were identified by linkage to the Swedish health register. Cox proportional hazard regression models were used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs). During follow-up from 2002 to 2014, 1512 women were diagnosed with COPD. Long-term fruit was associated with lower risk of COPD; women in the highest vs lowest quintile of consumption (≥2.5 vs <0.8 servings/day) had a 37% lower risk of COPD (95% CI: 25-48%; P-trend < 0.0001). No association was observed with long-term vegetable intake. Current and ex-smokers with low long-term consumpt...Continue Reading

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Nov 22, 2018·Scientific Reports·Charmion I Cruickshank-QuinnNichole Reisdorph
May 23, 2020·Nutrients·Ioannis ZabetakisAlexandros Tsoupras
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Jun 19, 2019·Nutrients·Egeria ScodittiDomenico Maurizio Toraldo
Jan 15, 2021·International Journal of Chronic Obstructive Pulmonary Disease·Tze Pin NgWan C Tan

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