Table 3.
Results of two-stage probit regression examining predictors of treatment engagement (second stage)
| Model 1. | Model 2. | Model 3. | ||||
|---|---|---|---|---|---|---|
| Variable | Individual Characteristics | Individual + Community Characteristics | Individual + Community + Interactions of Race/Ethnicity X Community | |||
| Coeff. | (95% CI) | Coeff. | (95% CI) | Coeff. | (95% CI) | |
| Stage 2: Predicting Treatment Engagement | ||||||
|
| ||||||
| Individual Characteristics | ||||||
| Race/Ethnicity (ref:White) | ||||||
| American Indian | −0.505** | (−0.805, −0.205) | −0.213* | (−0.418, −0.008) | −0.190* | (−0.376, −0.004) |
| Latino | 0.009 | (−0.141, 0.159) | 0.079 | (−0.072, 0.231) | 0.011 | (−0.147, 0.170) |
| Black | −0.237** | (−0.395, −0.078) | −0.102 | (−0.269, 0.064) | −0.137 | (−0.313, 0.039) |
| Days between index and initiation | −0.057** | (−0.082, −0.032) | −0.063** | (−0.075, −0.050) | −0.062** | (−0.075, −0.050) |
| Female Gender | 0.005 | (−0.098, 0.088) | 0.002 | (−0.098, 0.103) | 0.003 | (−0.097, 0.102) |
| Referral from CJ | 0.203** | (0.101, 0.306) | 0.216** | (0.109, 0.324) | 0.215** | (0.110, 0.320) |
| Use in last month | ||||||
| Alcohol | −0.057 | (−0.147, 0.033) | −0.058 | (−0.155, 0.039) | −0.056 | (−0.153, 0.041) |
| Marijuana | −0.076 | (−0.181, 0.029) | −0.088 | (−0.194, 0.019) | −0.088 | (−0.195, 0.018) |
| Cocaine | −0.114 | (−0.355, 0.126) | −0.072 | (−0.327, 0.182) | −0.059 | (−0.313, 0.194) |
| Opioids | −0.157* | (−0.291, −0.023) | −0.191** | (−0.316, −0.066) | −0.194** | (−0.318, −0.070) |
| Community Variables | ||||||
| Economic Disadvantage | --- | --- | 0.053 | (−0.051, 0.156) | 0.031 | (−0.075, 0.137) |
| % American Indian | --- | --- | −0.005 | (−0.012, 0.002) | −0.005 | (−0.010, 0.001) |
| % Black | --- | --- | −0.009 | (−0.019, 0.001) | −0.009 | (−0.018, 0.001) |
| % Latino | --- | --- | −0.004 | (−0.011, 0.002) | −0.005 | (−0.011, 0.001) |
| Interactions of Community Characteristics and Client’s Race/ethnicity | ||||||
| Economic Disadvantage X American Indian | --- | --- | --- | --- | −0.035 | (−0.241, 0.171) |
| Economic Disadvantage X Black | --- | --- | --- | --- | 0.109 | (−0.072, 0.291) |
| Economic Disadvantage X Latino | --- | --- | --- | --- | 0.147 | (−0.022, 0.316) |
= p< .05;
= p< .01;
Note: Using standardized distributions for community variables