Comprehensive meta analysis moderator analysis
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However, when clinical trials were compared by country of origin, effects were larger in studies conducted in North America compared to other regions, suggesting that cultural differences in treatment outcomes might exist. They tested ethnicity as a correlate of treatment outcomes, but results were nonsignificant. (2008) examined the effects of therapy for youth with phobic and anxiety disorders. A meta-analysis by Silverman, Kurtines et al. However, one meta-analysis did report findings suggesting ethnocultural differences in treatment outcome. Moderator analysis did not show an association between ethnicity and pre-post change. Wilson, Lipsey, and Derzon (2003) completed a meta-analysis of school-based interventions for preventing and reducing aggressive behavior. A meta-analysis by Weisz, Jensen-Doss, and Hawley (2006) evaluated randomized trials comparing EBTs to usual care and failed to find evidence supporting ethnicity as a treatment moderator. Sussman and colleagues (2006) conducted a meta-analysis of teen smoking cessation studies, and results showed no significant association between ethnicity and smoking quit rates. (2009) found no significant outcome differences for “Caucasian” versus “non-Caucasian” youth. In a meta-analysis of behavioral treatments for ADHD, Fabiano, Pelham et al. Generally, results show no significant ethnicity effects. Studies with predominantly White vs predominantly minority samples did not differ on mean delinquency effect size. Predominantly ethnic minority (> 60%) or predominantly White (> 60%) “Mainstream” programs for juvenile delinquency ( N=305) Proportion Caucasian not associated with effect size. Ethnicity composition not associated with quit rates.ĮBTs vs usual clinical care for youth ( N=20, those reporting ethnicity of participants) Teen smoking cessation interventions ( N=48 studies) However, effects were larger in trials conducted in North America compared to other regions. Ethnicity not correlated with effect size.
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Unspecified “ethnicity” (but presumably White vs non-White) Percentage of Caucasian participants not associated with effect size.Įvidence-based treatments for anxiety disorders in youth ( N=32 studies)
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Behavioral treatments for ADHD ( N=20 “between groups” studies)