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The impact of school nonresponse on substance use prevalence estimates - Germany as a case study.
Int. J. Drug Policy 27, 164-172 (2015)
Background The European School Survey Project on Alcohol and Other Drugs (ESPAD) is a survey study that collects comparable data on substance use of students aged 15 to 16 years old in European countries. The present study aims at investigating the impact of school refusal to participate in ESPAD on substance use prevalence estimates. Methods Data came from the 2007 German ESPAD study; the sample consisted of 12,246 students in 552 schools within seven German federal states. A simulation approach was used in order to study the effects of systematic exclusion of participating schools on prevalence estimates of key ESPAD outcomes including the use of tobacco, alcohol, cannabis, and other illegal drugs. Results The systematic exclusion of schools based on city-, school-, and class size, school environment, and schools’ substance use policies resulted in significant changes in prevalence estimates in 23 of 25 examined combinations of selection criterion and outcome. Yet, these effects were small, with differences remaining below 3 percentage points around the original estimates. Conclusions This simulation approach suggests that nonparticipation of schools in surveys on students’ substance use in Germany do not largely affect the validity of resulting prevalence estimates. Even a reduced number of schools may be sufficient to gain valid prevalence figures.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Nonresponse; Substance use; Prevalence estimation; Survey research; School; Simulation
ISSN (print) / ISBN 0955-3959
Zeitschrift International Journal of Drug Policy
Quellenangaben Band: 27, Seiten: 164-172
Verlagsort Amsterdam [u.a.]
Begutachtungsstatus Peer reviewed