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. Author manuscript; available in PMC: 2022 Nov 1.
Published in final edited form as: Drug Alcohol Depend. 2021 Sep 20;228:109084. doi: 10.1016/j.drugalcdep.2021.109084

Table 1.

Sample Characteristics by Posttraumatic Stress Disorder Diagnosis

PTSD (n=66) No PTSD (n=291) t/χ2 p

Age, mean years (SD) 32.7 (8.0) 32.5 (10.0) −0.22 0.83
Female (%) 66.7% 36.4% 20.19 <.001
Ever used heroin (%) 27.3% 26.1% 0.04 0.85
White (%) 90.9% 90.4% 0.8 0.37
Employed full-time (%) 57.6% 60.8% 0.24 0.63
Beck Depression Inventory, mean (SD) 27.7 (12.1) 22.1 (11.8) −3.48 <.01
Opioid Craving Scale, mean (SD) 8.8 (2.0) 7.8 (2.2) −3.30 <.01
ASI Functional Composite Scores, mean (SD)
 Employment .46 (.30) .36 (.29) * <.05
 Alcohol .05 (.09) .05 (.09) * 0.44
 Drug .35 (.07) .33 (.07) * 0.09
 Psychiatric .24 (.23) .14 (.18) * <.001
 Legal .05 (.12) .05 (.13) * 0.97
 Medical .30 (.36) .19 (.30) * <.05
 Family .23 (.25) .14 (.20) * <.05

Note: Test statistics (column labeled t/χ2) reflect t-tests for continuous variables and χ2 tests for categorical variables. ASI = Addiction Severity Index

*

= non-parametric test