Bakolis et al20UK  599 cases and 854 controls; 16–50 years; 60% female; case-control study  (Current) asthma, quality of life  PCA: 5 dietary patterns (“prudent”, “vegetable and fruit”, “Western”, “vegetarian”, “traditional”); over 200-item FFQ  No clear relation between the dietary patterns and asthma outcomes was observed.  Age, sex, BMI, social class, housing tenure, employment status, whether a single parent, smoking, passive smoke exposure at home, total energy intake, ethnicity, number of siblings, paracetamol and supplement use, all other dietary patterns  8 (neutral)