Overview
Abstract
The GYTS is a school-based survey that collects data on students aged 13–15 years using a standardized methodology for constructing the sample frame, selecting schools and classes, and processing data. The GYTS surveillance system is intended to enhance the capacity of countries to design, implement, and evaluate tobacco control and prevention programs.
Methodology:
School-based survey of students aged 13–15 years
Multistage sample design with schools selected proportional to enrollment size
Classrooms chosen randomly within selected schools
All students in selected classes eligible for participation
Anonymous and confidential self-administered questionnaire
Countries may add questions to the questionnaire
Computer-scannable answer sheets
Requires only 30–40 minutes to administer
Fieldwork conducted in 6–8 weeks
Country-level data with regional-level stratification possible
Core questionnaire (standard set of survey questions used in all locations)
Kind of Data
Sample survey data [ssd]
Units of Analysis
Units of analysis were individuals
The core module of the GYTS asks learners about their tobacco use and consumption intensity, and their use of smokeless tobacco products, and attempts to quit and relapses. The survey also collects data on their exposure to second-hand smoke, access to and purchasing of tobacco products, learners' knowledge of tobacco advertising and anti-tobacco messages, and their attitudes and beliefs about using tobacco.
The survey had national coverage.
The target group of the survey are learners aged 13-15 years in the selected schools.
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