Table 4.

Predictors of satisfactory knowledge of COPD among primary care clinic users (N=674) in Goiânia, Brazil, 2013–2014

Variable	IRRa	95% CI	P
Female sex	1.21	0.83–1.78	0.306
Age ≥60 years	1.52	1.08–2.15	0.017
Information about COPD obtained from physicians	1.31	0.91–1.87	0.142
Information about COPD obtained from relatives	1.63	1.16–2.30	0.005

Note:

^aObtained by robust Poisson multiple regression.

Abbreviations: CI, confidence interval; COPD, chronic obstructive pulmonary disease; IRR, incidence rate ratio.