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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: Addict Behav. 2016 Feb 16;58:167–174. doi: 10.1016/j.addbeh.2016.02.019

Table 2.

Results showing unadjusted and adjusted associations between past year PTSD symptom diagnosis with NMOU, frequency of NMOU, and opioid use disorders with sex interactions

Unadjusted Models Adjusted Models

NMOU Opioid Use
Disorder
Frequency of
NMOU
NMOU Opioid Use
Disorder
Frequency of
NMOU
Main effects with
interactions
Main effects with
interactions
Main effects
with
interactions
Main effects with
interactions
Main effects
with
interactions
Main effects
with
interactions
PTSD 1.15*** 1.62*** 1.12*** 0.74*** 0.91*** 0.23**
Sex
    Female Ref. Ref. Ref. Ref. Ref. Ref.
    Male 0.56*** 0.77*** 0.24 0.52*** 0.74*** −0.10
PTSD x Sex −0.29* −1.12** NS −0.33** −1.25*** NS
Age --- --- --- −0.06*** −0.07*** −0.04***
Education --- ---
    <HS/GED --- Ref. Ref. Ref.
    HS/GED+ −0.05 −0.21 −0.32
Race/ethnicity --- --- --- Ref. Ref. Ref.
    White/Cau −0.68*** −0.84*** −1.02***
    Black/AA −0.68*** −0.84*** −0.62**
    Hispanic −0.78*** −1.41* −1.28***
    Other
Pain
    No pain --- --- --- Ref. Ref. Ref.
    Pain 0.90*** 1.66*** 1.89***
Medical
Conditions
    Absent --- --- --- Ref. Ref. Ref.
    Present 0.53*** 0.90*** 1.06***

Note. AA = African American. All estimates accounted for the survey design. All estimates presented are regression coefficients. Results for NMOU and Opioid Use Disorder are based on logistic regression, while reults for average monthly frequency of NMOU are based on generalized linear model with a negative binomial distribution.

*

p < .05.

**

p < .01.

***

p < .001.