Language and geographical location influence the incidence of chronic cough in the Canadian Longitudinal Study on Aging

Factors influencing the incidence of chronic cough stratified by speaking a) English and b) French. Core incidence model adjusted for time to follow-up 1 (RR 1.08 (95% CI 0.94–1.25)), age, sex, smoking status, body mass index (BMI), provinces, self-reported general health, and respiratory airways diseases. Point estimate and error bars show the mean estimated relative risk with 95% confidence intervals. Numerical values are also shown.