2010-12-31-世界卫生组织-2011_GYTS_Fact_Sheet_South_Africa_1页_30kb

Overview

The 2011 Global Youth Tobacco Survey (GYTS) in South Africa was a school-based study examining tobacco use prevalence and determinants among students aged 13-15 years, conducted in grades 8 through 11.

Methodology

• Employed a two-stage cluster sample design.
• Involved selection of schools proportionally to enrollment size, followed by random selection of classes.
• Total participants: 10,833 students surveyed, with 3,947 aged 13-15; overall response rate: 69.1%.

Prevalence

• Ever smoked cigarettes: 31.3% (Boys: 34.9%, Girls: 28.5%).
• Current use of any tobacco product: 21.5% (Boys: 24.3%, Girls: 19.0%).
• Current cigarette smoking: 12.7% (Boys: 15.0%, Girls: 10.8%).
• Current use of other tobacco products: 13.5% (Boys: 14.4%, Girls: 12.6%).
• Likelihood of tobacco initiation next year among never smokers: 16.7%.

Key Determinants

• Access and Availability: A significant proportion (52.6%) obtained cigarettes from stores without refusal, and 18.5% usually smoked at home.
• Exposure to Secondhand Smoke (SHS): 29.0% lived in homes with others smoking; 39.3% were exposed outside home. Perceptions: 59.5% believed smoking should be banned in public places; 51.7% thought SHS was harmful.
• Cessation: 60.7% of current smokers wanted to stop, and 74.3% had attempted cessation in the past year.
• Media and Advertising: High exposure to both anti-smoking (70.8%) and pro-cigarette ads (e.g., 63.6% in newspapers/magazines).
• School Factors: Students were frequently taught about tobacco dangers (49.7%) and discussed reasons for smoking (39.2%).