2004-12-31-世界卫生组织-2005_GYTS_Fact_Sheet_Brazil_Rio_de_Janeiro_1页_39kb

Brazil - Rio de Janeiro GYTS Summary (2005)

This summary analyzes the Global Youth Tobacco Survey data from Brazil - Rio de Janeiro. The survey focused on adolescents aged 13-15, using a two-stage cluster sample design with high response rates. Key determinants of tobacco use were examined.

Sample and Methodology

• Participants: 1,858 students (7th and 8th grade elementary, and 1st grade high school).
• Response rates: School 87.5%, class 100.0%, student 86.5%, overall 75.7%.
• Sample design: Probability proportional to enrollment size in the first stage, random selection of classes in the second.

Prevalence of Tobacco Use

• Current smokers: 12.3% (male 9.1%, female 12.9%).
• Ever smoked cigarettes: 34.5% (male 29.5%, female 36.5%).
• Prevalence of any tobacco use: 17.2% (male 17.2%, female 15.7%).
• Other tobacco products: 6.1% more common among males (6.7% vs. 3.3% females).
• Future initiation: 17.9% of never smokers likely to start smoking next year.

Determinants of Tobacco Use

• Access/Price: Many buy cigarettes easily (87.4% not refused due to age), with over half (more from males) smoking at home and other tobacco products available.
• Secondhand Smoke (SHS): High exposure—35% live in households with smokers, 50% are exposed in external environments. 67.5%+ think SHS is harmful and smoking should be banned in public.
• Media/Advertising: High awareness—86.8% seen anti-smoking ads in the past 30 days; many seen pro-cigarette ads (billboards: 71.1%, newspapers/magazines: 53.7%). Logos present on some objects, influencing attitudes.

Knowledge and Attitudes

• Peer influence: Low percentage think smoking increases friends (girls less likely), but exposure concerns vary by gender.
• Education/Cessation: 87.4% heard anti-smoking media; many smokers want to quit (51.8%) and tried cessation. School discussions on smoking dangers and effects occurred for 37.9% and 34.3% respectively.

Overall Findings

The study shows concerning levels of current tobacco use among youth, with strong correlation to access, SHS exposure, and media influences. This data informs comprehensive tobacco control programs in Rio de Janeiro.