Table 4. Logistic Regression Model Predicting Dropout at Follow-Up.
| Coefficient | Standard error | Wald χ2 | Odds ratio | 95% confidence interval for odds ratio | ||
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| Constant | -2.85 | 1.45 | 3.85 | 0.06 | ||
| Intervention condition1 | 0.00 | 0.23 | 0.00 | 1.00 | 0.64 | 1.56 |
| Demographics | ||||||
| Male | -0.12 | 0.39 | 0.10 | 0.88 | 0.42 | 1.88 |
| Hispanic/Latino ethnicity | 0.24 | 0.38 | 0.39 | 1.27 | 0.60 | 2.68 |
| White race | 0.26 | 0.34 | 0.58 | 1.30 | 0.66 | 2.54 |
| Married | -0.06 | 0.25 | 0.05 | 0.95 | 0.58 | 1.53 |
| Education | 0.65 | 0.19 | 11.11 | 1.91 | 1.31 | 2.79 |
| Income | 0.11 | 0.10 | 1.14 | 1.12 | 0.91 | 1.37 |
| Currently in college | 0.22 | 0.26 | 0.73 | 1.25 | 0.75 | 2.09 |
| Currently employed | -0.38 | 0.28 | 1.85 | 0.69 | 0.40 | 1.18 |
| Number of children | -0.12 | 0.08 | 2.27 | 0.89 | 0.76 | 1.04 |
| Completed survey on mobile or tablet | 0.49 | 0.31 | 2.62 | 1.64 | 0.90 | 2.98 |
| Veteran population within state | -0.03 | 0.09 | 0.08 | 0.98 | 0.82 | 1.16 |
| Military characteristics | ||||||
| Air Force veteran | 0.12 | 0.47 | 0.07 | 1.13 | 0.45 | 2.84 |
| Marine Corps veteran | 0.11 | 0.28 | 0.16 | 1.12 | 0.65 | 1.92 |
| Navy veteran | 0.92 | 0.54 | 2.94 | 2.51 | 0.88 | 7.19 |
| Years of service | 0.05 | 0.05 | 0.75 | 1.05 | 0.94 | 1.16 |
| Number of years since separation | 0.00 | 0.05 | 0.01 | 1.00 | 0.92 | 1.10 |
| Combat severity | 0.00 | 0.05 | 0.00 | 1.00 | 0.91 | 1.10 |
| Months deployed OEF | 0.03 | 0.02 | 1.56 | 1.03 | 0.99 | 1.07 |
| Months deployed OIF | 0.00 | 0.02 | 0.02 | 1.00 | 0.97 | 1.04 |
| Months deployed OND | 0.06 | 0.07 | 0.82 | 1.06 | 0.93 | 1.21 |
| Months deployed other conflict | -0.02 | 0.02 | 0.80 | 0.98 | 0.94 | 1.02 |
| Treatment seeking | ||||||
| Any use of VA since separation | -0.39 | 0.28 | 1.91 | 0.68 | 0.39 | 1.18 |
| Mental health care in past year | 0.44 | 0.28 | 2.58 | 1.56 | 0.91 | 2.68 |
| Alcohol use care in past year | 0.70 | 0.55 | 1.63 | 2.02 | 0.69 | 5.94 |
| Non-alcohol substance use care in past year | -0.19 | 0.48 | 0.16 | 0.83 | 0.32 | 2.11 |
| Distance to nearest VA | 0.10 | 0.08 | 1.43 | 1.11 | 0.94 | 1.30 |
| Mental health and substance use | ||||||
| Hazardous alcohol use screen | -0.18 | 0.28 | 0.44 | 0.83 | 0.48 | 1.43 |
| Possible major depression screen | -0.09 | 0.31 | 0.08 | 0.92 | 0.50 | 1.67 |
| Possible PTSD screen | 0.11 | 0.33 | 0.10 | 1.11 | 0.58 | 2.14 |
| Tobacco use in past month | -0.07 | 0.24 | 0.07 | 0.94 | 0.58 | 1.51 |
| Marijuana use in past month | -0.01 | 0.01 | 1.19 | 0.99 | 0.96 | 1.01 |
| Other drug use in past month | -0.02 | 0.34 | 0.00 | 0.98 | 0.51 | 1.90 |
Significant odds ratio is bolded.
1 coded 1 for intervention, 0 for control.