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Randomized Controlled Trial
. 2005 Dec;19(4):372-81.
doi: 10.1037/0893-164X.19.4.372.

Randomized study of combined universal family and school preventive interventions: patterns of long-term effects on initiation, regular use, and weekly drunkenness

Richard Spoth  1 , G Kevin Randall, Chungyeol Shin, Cleve Redmond
Affiliations
Randomized Controlled Trial

Randomized study of combined universal family and school preventive interventions: patterns of long-term effects on initiation, regular use, and weekly drunkenness

Richard Spoth et al. Psychol Addict Behav. 2005 Dec.

Abstract

This study reports findings on a combined family and school-based competency-training intervention from an in-school assessment 2.5 years past baseline, as a follow-up to an earlier study of substance initiation. Increased rates of observed alcohol use and an additional wave of data allowed evaluation of regular alcohol use and weekly drunkenness, with both point-in-time and growth curve analyses. Thirty-six rural schools were randomly assigned to (a) a combined family and school intervention condition, (b) a school-only condition, or (c) a control condition. The earlier significant outcome on a substance initiation index was replicated, and positive point-in-time results for weekly drunkenness were observed, but there were no statistically significant outcomes for regular alcohol use. Discussion focuses on factors relevant to the mix of significant longitudinal results within a consistent general pattern of positive intervention-control differences.

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Figures

Figure 1
Figure 1
Adjusted means for the Substance Initiation Index (SII) across waves of data collection by experimental condition. LST = Life Skills Training; SFP 10–14 = Strengthening Families Program: For Parents and Youth 10–14.
Figure 2
Figure 2
Adjusted means for the Regular Alcohol Use (RAU) measure across waves of data collection by experimental condition. LST = Life Skills Training; SFP 10–14 = Strengthening Families Program: For Parents and Youth 10–14.
Figure 3
Figure 3
Adjusted means for weekly drunkenness (WD) across waves of data collection by experimental condition. LST = Life Skills Training; SFP 10–14 = Strengthening Families Program: For Parents and Youth 10–14.
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