Table 3.
Effect of Intervention and Other Covariates on Adherence to Components of the PRIMECare Model As Assessed from Exit Interviews
| PRIMECare Component, Unstandardized Parameter Estimate (95% CI) | ||||||
|---|---|---|---|---|---|---|
| Predictor Variables | ASK—Alcohol History* | ASSESS—Relapse Risks† | ASSESS—Prior & Planned Treatment†‡ | ASSESS—General Health† | ASSIST—Offer Prescription or Referral†‡ | Visit Satisfaction†‡ |
| Intervention | 1.17 (0.47, 1.88)§ | 0.07 (−0.39, 0.52) | −0.10 (−0.26, 0.06) | −0.22 (−0.54, 0.10) | −0.15 (−0.26, −0.06)§ | −0.03 (−0.07, 0.01) |
| Asked about alcohol history | … | 0.73 (0.47, 1.00)∥ | 0.07 (−0.02, 0.16) | 0.37 (0.05, 0.69)§ | — | 0.03 (0.01, 0.05)§ |
| Asked about alcohol history × intervention | … | — | 0.15 (0.01, 0.29)§ | — | 0.09 (0.01, 0.18)§ | 0.03 (0.00, 0.06)§ |
| CAGE score | — | — | — | — | 0.02 (−0.01, 0.04) | 0.005 (−0.005, 0.01) |
| CAGE score × intervention | — | — | — | — | 0.04 (0.00, 0.08)∥ | 0.02 (0.00, 0.04)§ |
| Age | — | — | — | — | — | 0.01 (0.005, 0.02)§ |
| Model R2 | 0.10 | 0.22 | 0.15 | 0.06 | 0.10 | 0.09 |
| Range of outcome values | Yes/No | 1 to 4 | 0 to 0.60 | 1 to 4 | 0 to 0.60 | 0 to 0.70 |
Multivariate logistic regression model that examined main effects of age, CAGE score, visit time, and intervention. Parameter estimate presented in table (odds ratio presented in text). Only significant variables are shown. Ellipses indicate variables not able to be tested. Nagelkerke R2 for the logistic model is presented.
Multivariate linear regression model that examined main effects of age, CAGE score, visit time, asked about alcohol history, and intervention, as well as interactions of intervention with CAGE score and clinician asked about alcohol history. Only significant variables and components of displayed interaction terms are shown.
Log-transformed outcome variable.
P<.05.
P<.10.