Table 2 Exponential survival model results for time to new arrest for general and violent offense
From: The Association of Traumatic Brain Injury, post-traumatic stress disorder, and criminal recidivism
Variables | General Arrest | Violent Arrest | ||
|---|---|---|---|---|
Beta Coefficient | Hazard Ratio | Beta Coefficient | Hazard Ratio | |
TBI | −0.08 | 0.92 | 0.60 | 1.82 |
PTSD | 0.33 | 1.39 | 2.13** | 8.41** |
TBI*PTSD | 0.07 | 1.07 | −0.82 | 0.44 |
Sex (Stratified) | −0.03 | 0.97 | 0.53 | 1.70 |
African American | −0.13 | 0.88 | 0.22 | 1.23 |
Age 1st Arrest | −0.03** | 0.97** | − 0.01 | 0.99 |
Age | − 0.04** | 0.96** | − 0.04* | 0.96* |
Total Prior Arrests | 0.05** | 1.05** | 0.01 | 1.01 |
Total Prior Violent | – | – | 0.08 | 0.98 |
Drugs In Last Year | 0.50** | 1.65** | 0.35 | 1.42 |