title: A six-wave study of the consistency of Mexican/Mexican American preadolescents' lifetime substance use reports.
abstract: In the Fall of 2004, 1,948 5th grade students from Phoenix, AZ enrolled in an evaluation of a school-based, substance use prevention intervention. To assess the consistency of Mexican and Mexican-American students' self-reports of lifetime substance use, the present study analyzed data reported by 1,418 students who reported Mexican ancestry and completed 2 to 6 questionnaires administered over a 40-month period. By wave 6, which was completed in March 2008, lifetime alcohol, cigarette, marijuana, and inhalant use rates were 86.0%, 65.0%, 64.5%, and 62.1%, respectively. Corresponding rescission rates were 24.0%, 9.6%, 5.8%, and 9.2%. Reporting patterns with one "Yes-No" sequence accounted for more than 88% of the inconsistent self-reports. This finding suggests that the majority of Mexican/Mexican-American preadolescents participating in a substance use prevention intervention provided logically consistent self-reports of lifetime substance use.
authors.affiliation: The Pennsylvania State University, College of Health and Human Development, University Park, PA 16802, USA. daw22@psu.edu
authors.forename: David A
authors.initials: DA
authors.lastname: Wagstaff
authors.forename: Stephen
authors.initials: S
authors.lastname: Kulis
authors.forename: Elvira
authors.initials: E
authors.lastname: Elek
mesh_terms: D000293:Adolescent; D002648:Child; D005260:Female; D006266:Health Education; D006306:Health Surveys; D006801:Humans; D008297:Male; D017058:Mexican Americans / Q000706:statistics & numerical data*; D015203:Reproducibility of Results; D012309:Risk-Taking; D012650:Self Disclosure; D019966:Substance-Related Disorders / Q000453:epidemiology*; D011795:Surveys and Questionnaires