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Table 3 Negative binomial regression results for numbers of new arrests for general and violent offenses

From: The Association of Traumatic Brain Injury, post-traumatic stress disorder, and criminal recidivism

Variables

General Arrests

Violent Arrests

Beta Coefficient

IRR

Beta Coefficient

IRR

TBI

−0.14

0.86

0.68*

1.99*

PTSD

−0.13

0.88

1.93*

6.92*

TBI*PTSD

0.27

1.31

−0.93

0.39

Male

0.05

1.05

0.38

1.47

African American

−0.28**

0.76**

0.24

1.27

Age 1st Arrest

−0.04**

0.96**

−0.03

0.97

Age

−0.03**

0.97**

−0.03

0.97

Total Prior Arrests

0.05**

1.05**

0.02

1.01

Total Prior Violent

0.07

1.07

Drugs In Last Year

0.26

1.30

0.54

1.71

  1. * p < 0.05
  2. ** p < 0.01