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. 2024 Sep 13;70(9):e20240372.
doi: 10.1590/1806-9282.20240372. eCollection 2024.

Prevalence of current smoking and associated factors in older adults in Brazil

José Arthur Didoné Machado  1 , João Vitor Fantin  1 , Juliana Coelho de Campos  2 , Eliane Traebert  1   2 , Cesar de Oliveira  3 , Jefferson Traebert  1   2
Affiliations

Prevalence of current smoking and associated factors in older adults in Brazil

José Arthur Didoné Machado et al. Rev Assoc Med Bras (1992). .

Abstract

Objective: The aim of this study was to estimate the prevalence of current smoking and its associated factors in adults aged 50 years and older in Brazil.

Methods: This cross-sectional study utilized data from the ELSI-Brazil study, encompassing 9,412 adults aged 50 years or over. A multivariate model using Poisson regression with a robust estimator was employed, estimating prevalence ratios and their 95% confidence intervals.

Results: The prevalence of current smoking was 17.04%. It was positively and independently associated with male gender, age up to 62 years, living without a partner, illiteracy, chronic obstructive pulmonary disease, depression, poor or very poor sleep quality, and alcohol intake more than once a month. Conversely, systemic arterial hypertension, hypercholesterolemia, diabetes mellitus, and repetitive strain injuries showed an inverse and independent association with current smoking.

Conclusion: The prevalence of current smoking among adults over 50 years old in Brazil was approximately 17%, with associations found with certain sociodemographic conditions and self-reported comorbidities.

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Conflict of interest statement

Conflicts of interest: the authors declare there is no conflicts of interest.

Figures

Figure 1
Figure 1. Proposal for a hierarchical analysis of smoking prevalence and associated factors in older adults aged 50 years and over.
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