Evolution of socioeconomic inequalities in smoking: results from the Portuguese national health interview surveys

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• 作者：Joana Alves ; Anton E Kunst ; Julian Perelman
• 关键词：Socioeconomic status ; Inequalities ; Smoking ; Portugal
• 刊名：BMC Public Health
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：15
• 期：1
• 全文大小：637 KB
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  Quarto Inquérito Nacional de Saúde à popula??o portuguesa: nota metodológica.
• 刊物主题：Public Health; Medicine/Public Health, general; Epidemiology; Environmental Health; Biostatistics; Vaccine;
• 出版者：BioMed Central
• ISSN：1471-2458

文摘

Background Southern European countries were traditionally characterized by a higher prevalence of smoking among high socioeconomic groups. Though, recent studies show a reversal of inequalities in Italy and Spain, for example. We investigated whether this evolution also applied to Portugal by describing the evolution of socioeconomic inequalities in smoking between 1987 and 2006. Methods We used data from the four Portuguese national health interview surveys (N--20,140) carried out so far. Socioeconomic status was measured by the educational and income levels of respondents. Socioeconomic inequalities were measured through Odds Ratios (OR), Relative Inequality Indexes (RII), and Concentration Indexes (CI) on being current, ever, and former smoker, adjusting for sex and age. Analyses were performed separately for men and women, and for different birth cohorts. Results Among men, smoking was initially more concentrated in high-socioeconomic status individuals (RII--.84, 95% Confidence Intervals [95% CI] 0.76-0.93, 1987) but this pattern reversed in the last survey (RII--.49, 95% CI 1.34-1.65, 2005/6). Indeed, higher cessation rates were observed among high-socioeconomic groups among all respondents (RII--.89, 95% CI 0.84-0.95), coupled with higher initiation rates among the worse-off in younger cohorts (RII--.18, 95% CI 1.05-1.31, for youngest generation, 2005/6). Among women, the richer and more educated smoked more in all surveys (RII--.21, 95% CI 0.16-0.27, 2005/6), despite being also more likely to quit (RII--.41, 95% CI 0.30-0.55). The pattern among women evolved towards a reduction of inequality, which however remained favourable to the worse-off. Conclusions Inequalities have been increasingly unfavourable to the worse-off in Portugal, although better-off women are still more likely to smoke. Worrisome inequality trends have been observed among the youngest generations, which call for the rapid implementation of equity-oriented tobacco control policies.