Universal Intervention Effects on Substance Use among Young Adults Mediated by Delayed Adolescent Substance Initiation

Autor/inn/en	Spoth, Richard; Trudeau, Linda; Guyll, Max; Shin, Chungyeol; Redmond, Cleve
Titel	Universal Intervention Effects on Substance Use among Young Adults Mediated by Delayed Adolescent Substance Initiation
Quelle	In: Journal of Consulting and Clinical Psychology, 77 (2009) 4, S.620-632 (13 Seiten) PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	0022-006X
DOI	10.1037/a0016029
Schlagwörter	Control Groups; Young Adults; Adolescents; Substance Abuse; Grade 6; Questionnaires; Self Disclosure (Individuals); Item Response Theory; Mediation Theory; Early Intervention; Comprehensive School Health Education; Outcomes of Treatment; Followup Studies; Clinical Psychology + Suchen Sie Ihr Suchwort? Young adult; Junger Erwachsener; Adolescent; Adolescence; Adoleszenz; Jugend; Jugendalter; Jugendlicher; Drug use; Drug consomption; Drogenkonsum; School year 06; 6. Schuljahr; Schuljahr 06; Fragebogen; Item-Response-Theorie; Mediationsverfahren; Follow-up studies; Kontaktstudium; Klinische Psychologie
Abstract	In this article, the authors examine whether delayed substance initiation during adolescence, achieved through universal family-focused interventions conducted in middle school, can reduce problematic substance use during young adulthood. Sixth-grade students enrolled in 33 rural midwestern schools and their families were randomly assigned to 3 experimental conditions. Self-report questionnaires provided data at 7 time points for the Iowa Strengthening Families Program (ISFP), Preparing for the Drug Free Years (PDFY), and control groups through young adulthood. Five young adult substance frequency measures (drunkenness, alcohol-related problems, cigarettes, illicit drugs, and polysubstance use) were modeled as distal outcomes affected by the average level and rate of increase in substance initiation across the adolescent years in latent growth curve analyses. Results show that the models fit the data and that they were robust across outcomes and interventions, with more robust effects found for ISFP. The addition of direct intervention effects on young adult outcomes was not supported, suggesting long-term effects were primarily indirect. Relative reduction rates were calculated to quantify intervention-control differences on the estimated proportion of young adults indicating problematic substance use; they ranged from 19% to 31% for ISFP and from 9% to 16% for PDFY. (Contains 3 footnotes, 4 tables, and 2 figures.) (As Provided).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2017/4/10