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The Little Village Gang Violence Reduction Project in Chicago

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Table 14.8Summary of Logistic Regression<strong>Project</strong> Effect (Success vs Failure) on Comb<strong>in</strong>ed <strong>Violence</strong> and Drug ArrestsYouth With and Without “Effective” Opportunity Services14.8(a) Frequency Distributions of <strong>Project</strong> Effect (Comb<strong>in</strong>ed <strong>Violence</strong> and Drug Arrests)Opportunity Services<strong>Project</strong>Success<strong>Project</strong>FailureTotalEffective a 13 25 38Otherwise b 24 66 90Total 37 91 12814.8(b) Logistic Regression Summary (Model P 2 for covariates=20.501 *** with 4 df)VariabledfParameterEstimateStd.ErrorPr >P 2OddsRatio cIntercept 1 0.168 0.746 0.822 —Age at Program Entry(0=19 & Over; 1=17 to 18; 2=16 & Under)1 -1.119 0.278 0.000*** 0.327<strong>Gang</strong> (0=Lat<strong>in</strong> K<strong>in</strong>g; 1=Two Six) 1 -0.127 0.444 0.776 0.881Arrestee Typology(-1=Drug/No-<strong>Violence</strong>; 0=<strong>Violence</strong>/No-Drug,1=<strong>Violence</strong> and Drug)Opportunity Services(0=Otherwise; 1=Effective)1 0.201 0.332 0.546 1.2221 0.253 0.462 0.584 1.288For differences between groups: * p < .05; ** p < .01; and *** p < .001 .abEffective corresponds to “Very Much” success as perceived by youth worker.Otherwise corresponds to “Some”, “<strong>Little</strong>”, and “Not At All” success as perceived by youthworker, as well as “No Service/Contact.”cThis ratio <strong>in</strong>dicates the success-to-failure odds. <strong>The</strong> failure-to-success odds is the reciprocal ofthe odds of success to failure.14.36

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