title: Methods of the International Tobacco Control (ITC) China Survey: Waves 1, 2 and 3.
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.
authors.affiliation: Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, Ontario, Canada.
authors.forename: Changbao
authors.initials: C
authors.lastname: Wu
authors.affiliation: Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, Ontario, Canada.
authors.forename: Mary E
authors.initials: ME
authors.lastname: Thompson
authors.affiliation: Department of Psychology, University of Waterloo, Waterloo, Ontario, Canada Ontario Institute for Cancer Research, Toronto, Ontario, Canada School of Public Health and Health Systems, University of Waterloo, Waterloo, Ontario, Canada.
authors.forename: Geoffrey T
authors.initials: GT
authors.lastname: Fong
authors.affiliation: Chinese Center for Disease Control and Prevention, Beijing, China.
authors.forename: Yuan
authors.initials: Y
authors.lastname: Jiang
authors.affiliation: Chinese Center for Disease Control and Prevention, Beijing, China.
authors.forename: Yan
authors.initials: Y
authors.lastname: Yang
authors.affiliation: Chinese Center for Disease Control and Prevention, Beijing, China.
authors.forename: Guoze
authors.initials: G
authors.lastname: Feng
authors.affiliation: Department of Psychology, University of Waterloo, Waterloo, Ontario, Canada.
authors.forename: Anne C K
authors.initials: AC
authors.lastname: Quah
mesh_terms: D000328:Adult; D002681:China / Q000453:epidemiology; D003430:Cross-Sectional Studies; D003625:Data Collection / Q000379:methods*; D005260:Female; D006306:Health Surveys; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D012107:Research Design; D012907:Smoking / Q000453:epidemiology*
keywords: Public policy; Secondhand smoke; Surveillance and monitoring