Romieu et al33Mexico n=158 asthmatic (mean 9.6 years; 38% girls) and 50 nonasthmatic (mean 9.3 years; 60% girls); cohort Inflammatory response (IL-8) and lung function (FEV1, FVC) Fruit and vegetable index and a Mediterranean diet index; 108-item FFQ In asthmatic children, fruit and vegetable index was negatively associated with IL-8 levels in nasal lavage (P=0.013); Mediterranean diet index was positively associated with FEV1 (P=0.045) and FVC (P=0.018). Fruit and vegetable index was a significant modifier for the effect of ozone on FEV1 (P=0.023) and FVC (P=0.008) and Mediterranean diet was a modifier for the effect of ozone on FVC (P=0.02). Sex, BMI, previous day minimum temperature, corticoid use, chronological time 8 (positive)