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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Alcohol Clin Exp Res. 2017 Jan 27;41(3):576–584. doi: 10.1111/acer.13322

Table 5.

Departure form additive effects of race and PTSD on AUDa

NHW AIAN

OR (95% CI) OR (95% CI)
No PTSD 1 1.31 (1.0, 1.73)
PTSD 1.59 (1.41, 1.80) 2.31 (1.51, 3.53)
ICR = 0.41 (95% CI: −1.4, 2.22) on the additive scale
a

Analysis adjusted for age, race, education, sex, and depression

Abbreviations: AUD, Alcohol Use Disorder; PTSD, Posttraumatic Stress Disorder; AIAN, American Indian and Alaska Native; NHW, non-Hispanic White, CI, confidence interval