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Tobacco Cessation and Prevention |

Frequent Use and Addiction to Smoking Among School-Aged Adolescents (Salvador, Bahia, Brazil)

Adelmo de Souza Machado Neto*, PhD; Gisele Machado, MBA; Ana Paula Machado, MD
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Escola Bahiana de Medicina e Saúde Pública (FBDC), Salvador, Brazil


Chest. 2012;142(4_MeetingAbstracts):1086A. doi:10.1378/chest.1389489
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Abstract

SESSION TYPE: Tobacco Cessation and Prevention Posters

PRESENTED ON: Wednesday, October 24, 2012 at 01:30 PM - 02:30 PM

PURPOSE: A significant proportion of teenagers consume tobacco almost daily. In Brazil the frequency of this substance dependence is 2.9% among adolescents (12 to 17 years old).

METHODS: To estimate the prevalence of tobacco use and dependence among school-aged adolescents (11-19 years old). Design: cross sectional study with a representative sample. Population: adolescent students (elementary and high-school) from public and private schools in Salvador, Brazil. An anonymous questionnaire was applied to the pupils in the period of april 07th to June 13th, 2008. The selection of schools, classes and students was obtained by a multiple-stage sampling. Of the 6,500 questionnaires, 5,347 were considered valid for the study. Were selected 254 participants (current tobacco use). The variables were tobacco dependence (Fagerstrom-FC) and frequency use of this substance. Statistics analysis: descriptive measures, 95%CI (precision of estimates).

RESULTS: The prevalence of smoking experimentation was 16.1% (95%CI:15.1-17.2), 30.9% (95%CI:27.6-34.4) of these, consumed it in the last month. The adolescents consumed it 1 to 9 days (66.1%; 95%CI=58.5-72.8), however 16.4% consumed it for more than 20 days in the last month, and 9.2% use 20 cigarettes or more in the same period. The estimation of tobacco dependence by FC, 24 adolescents fulfilled the six FC. Most of them presented lightweight dependency, however, 25% (IC95%=12-44.9) presented high scores, greater than five (moderate to severe). Whereas FC, the number of cigarettes consumed per day (27.9 % use 10 cigarettes or more) and the difficulty of not smoking in “no smoking” places (19,5%;95%CI=14.7-25.5) were the most frequent. Most did not present any withdrawal symptoms, however the presence of abstinence syndrome (at least one symptom) (21.2% ;IC95%=16.2-27.2). The anxiety was the most frequent symptom (15.2%;95%CI=10.5-21.4). Teenagers tried to stop smoking by 1 to 2 times (68.8%;95%CI=58,8-73.3), 23.7% of them tried by more than 4 times. Those who have tried the smoking cessation, 47.3% succeeded and achieved with ease or little difficulty, 10.7% tried and failed, and 25.4% even thought in quitting smoking. Half of then managed to stay 12 months or more without smoking and was 34.5% without consuming this substance is less than 15 to 30 days.

CONCLUSIONS: It can be concluded that nicotine is addictive property among adolescents, can produce withdrawal symptoms and has difficulty in cessation.

CLINICAL IMPLICATIONS: Tobacco dependency can be early and led to future diseases.

DISCLOSURE: The following authors have nothing to disclose: Adelmo de Souza Machado Neto, Gisele Machado, Ana Paula Machado

No Product/Research Disclosure Information

Escola Bahiana de Medicina e Saúde Pública (FBDC), Salvador, Brazil

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