after adjusting for smoking , age , and city of residence in 6 separate logistic regression models , the odds ratios for fev1 failure among men were 2.32 , 1.39 , 1.40 , 1.82 , 2.61 , 1.92 for moderate breathlessness , chronic cough , phlegm , wheeze , asthma , and recurrent chest illness , respectively .
C0004096
asthma
C0817096
chest