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Research
Methods of the International Tobacco Control (ITC) China Survey: Waves 1, 2 and 3
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  1. Changbao Wu1,
  2. Mary E Thompson1,
  3. Geoffrey T Fong2,3,4,
  4. Yuan Jiang5,
  5. Yan Yang5,
  6. Guoze Feng5,
  7. Anne C K Quah2
  1. 1Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, Ontario, Canada
  2. 2Department of Psychology, University of Waterloo, Waterloo, Ontario, Canada
  3. 3Ontario Institute for Cancer Research, Toronto, Ontario, Canada
  4. 4School of Public Health and Health Systems, University of Waterloo, Waterloo, Ontario, Canada
  5. 5Chinese Center for Disease Control and Prevention, Beijing, China
  1. Correspondence to Professor Changbao Wu, Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1; cbwu{at}uwaterloo.ca

Abstract

This paper describes the methods of sampling design and data collection of Wave 1, 2 and 3 of the International Tobacco Control (ITC) China Survey, with major focus on longitudinal features of the study. Key measures of quality of the survey data, such as retention rates and final sample sizes, are presented. Sample replenishment procedures are outlined, including the addition of a new city, Kunming, at Wave 3. Methods for constructing the longitudinal and cross-sectional survey weights are briefly described.

  • Public policy
  • Secondhand smoke
  • Surveillance and monitoring

https://doi.org/10.1136/tobaccocontrol-2014-052025

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