Exposure to advertising of tobacco products at points of sale and consumption of tobacco in adolescents from 3 large cities in Argentina. Cross-sectional study
Adriana Ángel 1  
,  
Sandra Braun 1
,  
Adriana Pérez 2, 3
,  
Raúl Méjía 2, 1
,  
James Thrasher 4, 5
,  
 
 
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1
University of Buenos Aires, Internal Medicine, Argentina
2
Centro de Estudios de Estado y Sociedad (CEDES), Department of Health Economy, Argentina
3
Universidad de Buenos Aires, Argentina
4
University of South Carolina, Department of Health Promotion, Education, and Behavior, United States of America
5
National Institute of Public Health, Department of Tobacco Research, Center for Population Health Research, Mexico
6
Dartmouth Medical School, Department of Pediatrics, United States of America
Publication date: 2018-03-01
 
Tob. Induc. Dis. 2018;16(Suppl 1):A416
KEYWORDS
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ABSTRACT
Background:
Several researches have demonstrated a strong association between exposure tobacco advertising at point of sale (PoS) and tobacco susceptibility, experimentation and adolescent uptake. However, there are no local studies demonstrating this association.Our objective was to explore the association between exposure to tobacco advertising in PoS located near secondary schools and smoking in early adolescents in 3 Argentinean cities: Córdoba, Tucumán and Buenos Aires

Methods:
This is a cross-sectional study with two descriptive sources: information about tobacco consumption was obtained through a survey of adolescents from 33 secondary schools in Buenos Aires, Córdoba and Tucumán. In addition, data on cigarette advertising in the PoS were relayed within 300 meters of each selected school. An exposition index was derived by multiplying the frequency of going to tobacco shops and a marketing index of each PoS (obtained by adding the number of signs, visibility from outside and displaying tobacco less than 1m from children's products). We explored the association between exposure to PoS advertising and smoking at individual and school level through multilevel logistic regression, adjusting for sociodemographics, social network smoking, and sensation seeking.

Results:
The questionnaire was completed by 1680 students, 158 (9.4%) smokers, 895 (53%) no susceptible non-smokers, 389 (23%) susceptible non-smokers and 274 (16.3%) experimenters. We surveyed 340 PoS, 88 (25.88%) in Tucumán, 80 (23.53%) in Córdoba and 170 (50%) in Buenos Aires. Exposure to PoS advertising was significantly associated with being an experimenter (OR = 1.58, 95% CI 1.16-2.14) and susceptible (OR = 1.65, 95% CI 1.2-2.25) in the highest quartile of exposure.

 Smokers OR (95% IC)Experimenters OR (95% IC)Susceptibles OR (95% IC)
Quartile 21.19 (0.838 - 1.685)1.16 (0.873 - 1.534)1.33 (0.983 - 1.792)
Quartile 31.32 (0.930 - 1.874)1.32 (0.996 - 1.754)1.15 (0.839 - 1.584)
Quartile 41.22 (0.848 - 1.758)1.58 (1.160 - 2.147)§1.65 (1.207 - 2.250)§
OR= Odds Ratio § p<0.01Adjusted for age, sex, sensation seeking, having parents, siblings or friends that smoke.
[Exposure to advertising and tobacco consumption. ]



Conclusions:
Our findings suggests an association between exposure advertising of tobacco product at PoS and experimentation and susceptibility. PoS could be a critical factor in the onset of this addiction in young people.

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