Factors associated with nocturnal, productive and dry cough in the young adult population of Nigeria.

Objective: The aim of this study was to determine the factors associated with nocturnal, productive and dry cough among young adults in Nigeria.

Methods: We evaluated 498 subjects, 20-44 years of age, in Ilorin, Nigeria, using the European Community Respiratory Health Survey (ECRHS) questionnaire, administered by trained interviewers.

Results: Nocturnal cough was associated with asthma (OR = 10.