Table 2.
Stepwise logistic regression models (n = 8816)
| Model 1 | Model 2 | Model 3 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OR | p | CI- | CI+ | OR | p | CI- | CI+ | OR | p | CI- | CI+ | |
| Predisposing factors | ||||||||||||
| Age centered on 18 | 1.05 | *** | 1.04 | 1.06 | 1.03 | *** | 1.03 | 1.04 | 1.03 | *** | 1.02 | 1.04 |
| Black | 1.35 | *** | 1.17 | 1.56 | 1.27 | *** | 1.09 | 1.47 | 1.35 | *** | 1.14 | 1.59 |
| Hispanic | 0.93 | 0.78 | 1.12 | 0.92 | 0.76 | 1.10 | 0.94 | 0.77 | 1.17 | |||
| Other race | 1.00 | 0.78 | 1.29 | 1.00 | 0.77 | 1.29 | 0.90 | 0.65 | 1.22 | |||
| Foreign born | 1.20 | 0.93 | 1.53 | 1.26 | 0.98 | 1.62 | 1.36 | * | 1.03 | 1.79 | ||
| Never married | 1.19 | * | 1.04 | 1.36 | 1.10 | 0.96 | 1.27 | 1.14 | 0.98 | 1.33 | ||
| High school education | 0.99 | 0.87 | 1.13 | 0.88 | * | 0.77 | 1.00 | 0.87 | 0.75 | 1.01 | ||
| Prior employment | 0.95 | 0.84 | 1.09 | 1.00 | 0.87 | 1.14 | 0.96 | 0.82 | 1.12 | |||
| Veteran | 0.87 | 0.70 | 1.08 | 0.91 | 0.74 | 1.13 | 0.84 | 0.67 | 1.07 | |||
| Vulnerability factors | ||||||||||||
| Past incarceration episodes | 0.96 | 0.91 | 1.01 | 1.03 | 0.98 | 1.08 | 1.01 | 0.95 | 1.07 | |||
| Mood/anxiety disorder | 1.35 | *** | 1.15 | 1.57 | 1.37 | *** | 1.17 | 1.61 | 0.95 | 0.79 | 1.14 | |
| Schizophrenia | 1.79 | ** | 1.20 | 2.67 | 1.75 | ** | 1.17 | 2.62 | 2.07 | *** | 1.32 | 3.22 |
| Alcohol/drug dependence | 0.99 | 0.88 | 1.12 | 1.04 | 0.92 | 1.18 | 0.99 | 0.86 | 1.14 | |||
| Enabling factors | ||||||||||||
| Visits from family/friends | ||||||||||||
| 1 in past month | 1.20 | * | 1.00 | 1.44 | 1.16 | 0.95 | 1.42 | |||||
| 2+ in past month | 1.19 | * | 1.01 | 1.41 | 1.18 | 0.97 | 1.43 | |||||
| Phone calls from family/friends | ||||||||||||
| 1 in past week | 0.96 | 0.81 | 1.13 | 1.04 | 0.86 | 1.25 | ||||||
| 2+ in past week | 1.04 | 0.90 | 1.20 | 1.12 | 0.96 | 1.32 | ||||||
| Drug offender | 0.95 | 0.81 | 1.12 | 0.98 | 0.82 | 1.19 | ||||||
| Violent offender | 1.28 | *** | 1.11 | 1.47 | 1.18 | * | 1.01 | 1.38 | ||||
| Hours in work assignment | 1.00 | * | 1.00 | 1.01 | 1.01 | * | 1.00 | 1.01 | ||||
| Years incarcerated | 1.21 | *** | 1.18 | 1.25 | 1.14 | *** | 1.10 | 1.18 | ||||
| Years incarcerated squared | 0.99 | *** | 0.99 | 1.00 | 1.00 | *** | 0.99 | 1.00 | ||||
| Need factors | ||||||||||||
| Medical problem | 7.28 | *** | 5.81 | 9.12 | ||||||||
| Illness | 1.88 | *** | 1.59 | 2.21 | ||||||||
| Dental problem | 8.22 | *** | 7.00 | 9.65 | ||||||||
| Unintentional injury | 6.40 | *** | 5.10 | 8.03 | ||||||||
| Intentional injury | 3.38 | *** | 2.64 | 4.33 | ||||||||
| Model fit statistics | ||||||||||||
| Log likelihood ratio | −3778.5 | −3619.5 | -2873.1 | |||||||||
| AIC | 7585.1 | 7285.0 | 5802.3 | |||||||||
| BIC | 7684.2 | 7448.0 | 6000.7 | |||||||||
Models adjusted for complex survey design. *p ≤ 0.05; **p ≤ 0.10; ***p ≤ 0.001