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Observational Study
. 2020 Nov:118:108075.
doi: 10.1016/j.jsat.2020.108075. Epub 2020 Jul 6.

Expanding outcomes when considering the relative effectiveness of two evidence-based outpatient treatment programs for adolescents

Affiliations
Observational Study

Expanding outcomes when considering the relative effectiveness of two evidence-based outpatient treatment programs for adolescents

Beth Ann Griffin et al. J Subst Abuse Treat. 2020 Nov.

Erratum in

Abstract

The current study seeks to advance understanding about how to address substance use and co-occurring mental health problems in adolescents. Specifically, we compared the effectiveness of two evidence-based treatment programs (Motivational Enhancement Treatment/Cognitive Behavior Therapy, 5 Sessions [MET/CBT5] and Adolescent Community Reinforcement Approach [A-CRA]) for both substance use and mental health outcomes (i.e., crossover effects). We used statistical methods designed to approximate randomized controlled trials when comparing nonequivalent groups using observational study data. Our methods also included an assessment of the potential impact of omitted variables. We found that after applying balancing weighting to ensure similarity of the baseline samples (given the nonrandomized study design), both groups significantly improved on the two substance use outcomes (days abstinent and percent of youth in recovery) and on the two mental health outcomes (post-traumatic stress disorder (PTSD) symptoms and general emotional problems). Youth in A-CRA were significantly more likely to be in recovery at the 3-month follow-up compared to youth in MET/CBT5, but the size of this effect was very small. Youth receiving MET/CBT5 appeared to show significantly more improvement in the two mental health measures compared to youth in A-CRA, though these effect sizes were also very small. The findings indicate that adolescents with co-occurring substance use and mental health problems improve on both substance use and mental health outcomes with both treatments even though they are not specifically targeting mental health problems.

Keywords: Adolescent; Causal inference; Mental health; Omitted variable; Substance use treatment.

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Figures

Figure D1:
Figure D1:. Sensitivity analyses for the traumatic stress scale
Variable Definitions (baseline measures): Substance abuse treatment index (sati); Adjusted days abstinent (ada); Substance use dependence past year (sud_sy); Emotional problem scale (eps7p); Parent activity index (pai); Recovery environment index (reri); In detoxification program during past 90 days (detox90); Behavior complexity scale (bcs); Living environment index (lri7); Traumatic stress scale (tss); Substance frequency scale (sfs8p); Internal mental distress scale (imds); General conflict tactic scale (gcts); Mental health treatment (mhtrt); Current withdrawal scale past week (cws); Used needle or not (nps); Depressive symptom scale (dss9); Social environmental risk index (sri7); Cognitive impairment screen (cis); Continued substance use despite prior treatment (csudptx); Homicidal suicidal thought scale (hsts2); Categorization of internal and/or external problems (codis4); Worsening physical health due to substance use (wphsu); In recovery (recov) – Note: imds (rho = .41) and tss (rho = .39) had correlations shifted to 0.35 for visual purposes
Figure D2:
Figure D2:. Sensitivity analyses for days abstinent
Variable Definitions (baseline measures): Substance abuse treatment index (sati); Adjusted days abstinent (ada); Substance use dependence past year (sud_sy); Emotional problem scale (eps7p); Parent activity index (pai); Recovery environment index (reri); In detoxification program during past 90 days (detox90); Behavior complexity scale (bcs); Living environment index (lri7); Traumatic stress scale (tss); Substance frequency scale (sfs8p); Internal mental distress scale (imds); General conflict tactic scale (gcts); Mental health treatment (mhtrt); Current withdrawal scale past week (cws); Used needle or not (nps); Depressive symptom scale (dss9); Social environmental risk index (sri7); Cognitive impairment screen (cis); Continued substance use despite prior treatment (csudptx); Homicidal suicidal thought scale (hsts2); Categorization of internal and/or external problems (codis4); Worsening physical health due to substance use (wphsu); In recovery (recov) – Note: ada (rho = .45) had correlation shifted to 0.4 for visual purposes
Figure D3:
Figure D3:. Sensitivity analyses for youth in recovery
Variable Definitions (baseline measures): Substance abuse treatment index (sati); Adjusted days abstinent (ada); Substance use dependence past year (sud_sy); Emotional problem scale (eps7p); Parent activity index (pai); Recovery environment index (reri); In detoxification program during past 90 days (detox90); Behavior complexity scale (bcs); Living environment index (lri7); Traumatic stress scale (tss); Substance frequency scale (sfs8p); Internal mental distress scale (imds); General conflict tactic scale (gcts); Mental health treatment (mhtrt); Current withdrawal scale past week (cws); Used needle or not (nps); Depressive symptom scale (dss9); Social environmental risk index (sri7); Cognitive impairment screen (cis); Continued substance use despite prior treatment (csudptx); Homicidal suicidal thought scale (hsts2); Categorization of internal and/or external problems (codis4); Worsening physical health due to substance use (wphsu); In recovery (recov)
Figure 1:
Figure 1:. Outcome Trends Overtime
Figure 2:
Figure 2:. Sensitivity analyses for the emotional problem scale
Variable Definitions (baseline measures): Substance abuse treatment index (sati); Adjusted days abstinent (ada); Substance use dependence past year (sud_sy); Emotional problem scale (eps7p); Parent activity index (pai); Recovery environment index (reri); In detoxification program during past 90 days (detox90); Behavior complexity scale (bcs); Living environment index (lri7); Traumatic stress scale (tss); Substance frequency scale (sfs8p); Internal mental distress scale (imds); General conflict tactic scale (gcts); Mental health treatment (mhtrt); Current withdrawal scale past week (cws); Used needle or not (nps); Depressive symptom scale (dss9); Social environmental risk index (sri7); Cognitive impairment screen (cis); Continued substance use despite prior treatment (csudptx); Homicidal suicidal thought scale (hsts2); Categorization of internal and/or external problems (codis4); Worsening physical health due to substance use (wphsu); In recovery (recov) – Note: dss9 (rho = .43), imds (rho = .49), bcs (rho = .41), tss (rho = .41), and eps (rho = .52) had correlations shifted to 0.4 for visual purposes

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