Differences in quality of life among older adults in Brazil according to smoking status and nicotine dependence.

Background: Research on quality of life QOL is limited in Brazil and few studies have examined the association between smoking status and quality of life. This study addresses this gap and also examines the association between smoking, nicotine dependence, and duration of smoking cessation on (QOL) among older adults in an urban area in Brazil.

Methods: Data are from a household survey conducted in urban areas of Uberaba, Brazil, in 2012 (n = 980).