From: Impact of implementation interventions to improve substance use service delivery on recidivism among justice-involved youth
Time
N
Experimental Condition
Χ2
Core
Enhanced
T1- Baseline
6869
29.9
35.4
22.269***
T2- Pre-Randomization
5153
27.2
34.4
30.407***
T3- Early Experiment
4056
31.1
31.4
0.056
T4- Late Experiment
2620
31.9
29.8
1.390