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 Resources :: Research Works on Tobacco |
According to the World Health Organization (WHO), tobacco use is one of the chief preventable causes of death.1 It attributes 5 million deaths to tobacco annually and by 2020, the figure is expected to exceed 10 million with approximately 70% of these deaths occurring in developing countries. 2. In 1999, the Global Youth Tobacco Survey (GYTS) was initiated by WHO, Centers for Disease Control and Prevention (CDC), and the Canadian Public Health Association (CPHA) to monitor tobacco use, attitudes about tobacco use, and exposure to second-hand smoke (SHS) among students aged 13--15 years. Since 1999, the survey has been conducted in 140 countries and 11 territories and across all six WHO regions.3 A key goal of GYTS is for countries to repeat the survey every 4 years. |
 Global Youth Tobacco Survey for Nigeria |
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The Nigeria GYTS uses a two-stage cluster sample design that produces representative samples of students in classes comprising Junior secondary(JS) 2, Junior secondary (JS) 3 or Senior secondary (SS) 1, whose ages are 13-15 years. At the first sampling stage, school selection was proportional to the number of students enrolled in the selected classes. At the second stage, classes within the selected schools were randomly selected. All students attending school in the selected classes on the day the survey was administered were eligible to participate. A weighting factor was applied to each student record to adjust for nonresponse (by school, |
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