title: Key elements in the statistical analysis of surveys.
authors.affiliation: Groupe de Recherche sur la Santé des Adolescents, Institut Universitaire de Médecine Sociale et Préventive, Centre Hospitalier Universitaire Vaudois, Vaudois, Switzerland. Andre.Berchtold@unil.ch
authors.forename: André
authors.initials: A
authors.lastname: Berchtold
mesh_terms: D000293:Adolescent; D015982:Bias; D016000:Cluster Analysis; D003625:Data Collection / Q000706:statistics & numerical data*; D003627:Data Interpretation, Statistical; D015340:Epidemiologic Research Design; D005260:Female; D006801:Humans; D008297:Male; D002189:Marijuana Abuse / Q000453:epidemiology; D008432:Mathematical Computing; D011336:Probability; D012494:Sampling Studies; D013334:Students / Q000706:statistics & numerical data; D013557:Switzerland