Prevalence of chronic bronchitis in urban population of Kashmir.

Population based survey was conducted in an urban area of Kashmir comprising 629 males and 511 females. Majority (27.9%) of individuals studied were in the age group of < 40 years. Prevalence of chronic bronchitis was more in the age group of 70 years and above (14.12%), in smokers the prevalence was 7.55% and in people living in poorly ventilated dwellings it was 10.56%.