Multilevel analysis of the individual and contextual factors of tobacco use among Mexican adolescents using the National Addiction Survey (NAS), 2011
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National Institute of Public Health in Mexico, Department of Tobacco Research, Mexico
University of Michigan, United States of America
Publication date: 2018-03-01
Tob. Induc. Dis. 2018;16(Suppl 1):A544
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The tobacco industry has targeted low and middle-income countries and vulnerable groups such as women and young people. In Mexico we observe a slow decrease in tobacco consumption among adults, while in adolescents the trend in tobacco use shows an increase. Previous research in Mexico do not measure determinants at neighborhood level. The aim of the study is evaluate whether the contextual and individual factors are associated with tobacco use among Mexican adolescents.

Data from this study came from NAS 2011 and National Census 2010. Descriptive statistics were estimated after adjusting for sampling weights. The study had two levels: individual (adolescents between 12-17 years) and contextual (neighborhoods). Multilevel logistic regression stratified by sex was conducted.

The final sample includes 2785 adolescents from 364 neighborhoods. Prevalence of 30 days smoking in women adolescents was 3.8% and in male adolescents was 10.3%. Female adolescents exposed to second hand smoke at home were more likely to be a current smoker (OR 2.87 CI: 1.37,6.04) and in those who have an employment (OR 4.35 CI: 1.03,18.3). School attendance was inversely associated with tobacco use (OR 0.38 CI: 0.16,0.89). In Male adolescents the likelihood of being a current smoker increase according to age (OR 4.35 CI: 1.51,12.4 for 15-17 vs 12-14) and in those exposed to second hand smoke at home (OR 5.03 CI 2.38,10.6), while school attendance decrease the likelihood of being a current smoker (OR 0.14 CI: 0.05,0.39).

This study suggest that school attendance is a protective factor for smoking. Second hand smoke at home is an important factor of tobacco use. Have an employment increase the likelihood of being a current smoker only in female adolescents. Implement a successful tobacco control policy in Mexico needs to take into account educational, economics, social and gender determinants.

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