Varraso et al29USA  n=42,917; 40–75 years; 100% men; cohort  Prevalence of adult-onset asthma between1986 and 1998  PCA: 2 dietary patterns (“prudent”; “Western”); 131-item FFQ  Dietary patterns were not associated with adult-onset asthma.  Age, smoking, pack-years, pack-years2, race/ethnicity, physician visits, US region, BMI, physical activity, multivitamin use, energy intake  8 (positive)