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. Author manuscript; available in PMC: 2019 Jul 19.
Published in final edited form as: Am J Addict. 2018 Dec 21;28(1):29–35. doi: 10.1111/ajad.12831

Table 2.

Summary of Hierarchical Regression Analysis for Variables Predicting Externalizing Behavior (N = 194 )

Model 1 Model 2 Model 3 Model 4

Variable B SE B β B SE B β B SE B β  B SE B β

Age 85.32 57.25 .00 −.31 3.49 −.01 .75 3.47 .02 .48 3.33 .01
Race −25.94 10.72 −.18 −18.59 10.98 −.13 −21.05 10.87 −.14 −19.75 10.42 −.13
Gender −3.81 11.37 −.02 −4.99 11.23 −.03 −4.07 11.07 −.03 −1.84 10.63 −.01
SUD SYMP 1.21 .48 .18* .43 .57 .07 −9.48 2.43 −1.44***
PTSD SYMP 1.32 .52 .21* −7.21 2.10 −1.15**
SUD x PTSD .16 .04 2.53***
R .23 .63 .73 .73
R2 .03 .06 .09 .17
F
F Change
3.63
3.63
30.44
104.89***
42.16
54.5***
35.98
2.91*

Note: SUD SYMP = Substance Use Disorder Symptoms. PTSD SYMP = Posttraumatic Stress Disorder Symptoms.

*

p < .05.

**

p < .01.

***

p < .001.