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. Author manuscript; available in PMC: 2017 Dec 13.
Published in final edited form as: Drug Alcohol Depend. 2016 Oct 4;169:190–198. doi: 10.1016/j.drugalcdep.2016.09.021

Table 4.

Unadjusted (OR) and adjusted (AOR) odds ratios and 95% confidence intervals (CI) for the associations of cumulative childhood trauma score and drug use outcomes in emerging adulthood and adulthood

Prescription pain reliever misuse Injection drug use Emerging adulthood n=9,539

Emerging adulthood n=9,528 Adulthood n=7,744

Cumulative trauma score Ref=none # (wt %)* with outcome OR (95% CI) AOR (95% CI)** # (wt %)* with outcome OR (95% CI) AOR (95% CI)** # (wt %)* with outcome OR (95% CI) AOR (95% CI)**

One 522 (21.09) 1.30 (1.12–1.53) 1.34 (1.14–1.58) 214 (11.02) 1.37 (1.06–1.79) 1.46 (1.12–1.91) 21 (1.19) 1.90 (0.93–3.88) 1.94 (0.96–3.94)
None 740 (17.01) -- -- 278 (8.27) -- -- 18 (0.63) -- --

Two 276 (23.22) 1.48 (1.19–1.83) 1.58 (1.25–1.99) 122 (12.04) 1.52 (1.11–2.07) 1.71 (1.23–2.36) 24 (2.60) 4.22 (2.02–8.79) 4.32 (1.98–9.45)
None 740 (17.01) -- -- 278 (8.27) -- -- 18 (0.63) -- --

Three 159 (26.40) 1.75 (1.36–2.25) 1.70 (1.29–2.25) 56 (15.43) 2.02 (1.35–3.03) 2.16 (1.43–3.26) 13 (1.58) 2.53 (0.97–6.55) 2.64 (0.97–7.19)
None 740 (17.01) -- -- 278 (8.27) -- -- 18 (0.63) -- --

Four 82 (30.32) 2.12 (1.51–2.98) 2.17 (1.49–3.15) 35 (17.69) 2.38 (1.47–3.86) 2.70 (1.62–4.52) 10 (4.18) 6.88 (2.74–17.27) 7.15 (2.65–19.29)
None 740 (17.01) -- -- 278 (8.27) -- -- 18 (0.63) -- --

Five-nine 45 (26.54) 1.76 (1.01–3.08) 1.79 (1.05–3.07) 14 (17.61) 2.37 (1.29–4.35) 3.09 (1.52–6.30) 5 (2.88) 4.68 (1.26–17.37) 4.67 (1.22–17.87)
None 740 (17.01) -- -- 278 (8.27) -- -- 18 (0.63) -- --
*

#: number; wt %: weighted percent; ref: referent group

**

Adjusted for sociodemographic covariates including adolescent age, race/ethnicity, and poverty status at Wave I, Wave III poverty, and Wave IV education

p-value <0.10 for gender and trauma interaction term (estimates for models not shown)