2008-12-31-世界卫生组织-2009_GYTS_Fact_Sheet_Brazil_Sao_Paulo_1页_31kb

Brazil - Sao Paulo GYTS Summary (Ages 13-15)

Objective and Methodology

The survey was part of the Global Youth Tobacco Survey conducted in 2009 in Brazil's Sao Paulo region, targeting students aged 13-15. It used a two-stage cluster sampling design, with a total sample of 1,413 students from elementary and high school grades. Key response rates included 84.6% for schools, 100.0% for classes, 83.1% for students, and an overall response rate of 70.3%. The data provides insights for comprehensive tobacco control programs focusing on determinants like access, price, secondhand smoke, media advertising, and school-based education.

Key Findings

• Prevalence of Tobacco Use:

  • Ever smoked cigarettes: 34.3% (boys: 29.7%, girls: 38.0%).
  • Currently uses any tobacco product: 30.1% (boys: 28.7%, girls: 31.4%).
  • Currently smokes cigarettes: 11.6% (boys: 9.2%, girls: 13.2%).
  • Currently uses other tobacco products: 25.0% (higher among boys).

• Determinants of Tobacco Use:

  • Access and availability: 41.0% of current smokers purchased cigarettes in stores, with 78.6% not refused due to age; approximately nine in ten students exposed to secondhand smoke, with 35.5% living in homes where others smoke and 51.3% exposed outside home.
  • Media and advertising: 86.4% of students saw anti-smoking media messages in the past 30 days; 6.2% owned items with cigarette brand logos, and 10.7% were offered free cigarettes, indicating strong exposure.
  • Cessation behavior: 63.6% of current smokers want to stop, with 61.1% having tried in the past year and 74.3% receiving help; common reasons include friends or parents smoking.
  • School-based interventions: Lessons on tobacco dangers and cessation were delivered to 30.8% of students, 12.3% discussed reasons to smoke, and 27.7% learned about health effects.

Highlights from Students

• Strong support for smoking bans: 92.6% believe smoking should be prohibited in public places.
• Risk factors for initiation: 17.5% of never smokers are likely to start smoking next year, with a third of students having one or more smoking friends or parents.
• High awareness: Over two-thirds support anti-smoking measures, showing education efforts yield positive attitudes.

Overall, the prevalence of tobacco use among youth is significant, with high access and exposure to secondhand smoke, emphasizing the need for enhanced prevention and policy interventions in schools and communities.