151 Effectiveness of a social network intervention 5 Outcome variables (measurement type) Assessment time Descriptive statistics of raw data Adjusted effects TAU+FNC group TAU group Between-group effect Standardized effect size 18 months 0.105 (0.311), n = 38 0.162 (0.602), n = 37 0.725 (0.157 to 3.357) NA Days alcoholb 0.982 (0.600 to 1.608)d NA Baseline 6.647 (9.492), n = 51 6.137 (9.633), n = 51 12 months 6.191 (9.253), n = 42 4.310 (7.588), n = 42 1.213 (0.586 to 2.514) NA 18 months 6.368 (9.604), n = 38 4.028 (7.606), n = 36 0.951 (0.452 to 2.001) NA Days cannabisb 1.199 (0.680 to 2.112)d NA Baseline 9.000 (12.291), n = 51 8.765 (11.911), n = 51 12 months 8.857 (12.215), n = 42 5.000 (9.571), n = 42 1.650 (0.706 to 3.859) NA 18 months 10.342 (13.358), n = 38 6.108 (11.007), n = 37 0.741 (0.318 to 1.724) NA Days hard drugsb 0.693 (0.278 to 1.727)d NA Baseline 2.078 (5.932), n = 51 0.412 (1.780), n = 51 12 months 0.810 (3.133), n = 42 1.071 (3.502), n = 42 0.418 (0.077 to 2.274) NA 18 months 2.237 (6.158), n = 38 0.405 (1.423), n = 37 1.123 (0.285 to 4.419) NA Quality of life (self-report)a -0.147 (-0.499 to 0.204)d -0.126 Baseline 4.172 (1.106), n = 51 4.029 (0.964), n = 51 12 months 4.611 (1.195), n = 42 4.701 (1.110), n = 42 -0.112 (-0.556 to 0.333) -0.098 18 months 4.432 (1.319), n = 39 4.540 (1.066), n = 39 -0.322 (-0.776 to 0.132) -0.270 Self-sufficiency (observer-rated)a 0.023 (-0.124 to 0.169)d 0.046 Baseline 3.440 (0.395), n = 51 3.424 (0.346), n = 51 12 months 3.575 (0.542), n = 42 3.581 (0.504), n = 42 0.070 (-0.114 to 0.254) 0.135 18 months 3.611 (0.556), n = 37 3.623 (0.492), n = 38 0.019 (-0.171 to 0.209) 0.036 Data were analyzed with LMM/GEE/GLM and presented as adjusted mean differences (95% CI) with standardized effect sizes for continuous outcomes a, rate ratios (95% CI) for count outcomes b, and odds ratio (95% CI) for the dichotomous outcome c. d Between-group effect on average over time. * p<0.05 ** p<0.01 *** p<0.001
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