Skip to main content
. Author manuscript; available in PMC: 2020 Dec 1.
Published in final edited form as: Addict Behav. 2019 Aug 5;99:106079. doi: 10.1016/j.addbeh.2019.106079

Table 5.

Incremental validity of ABOM scores (N=350).

Outcome: BL BYAACQ B β p 95% CI Adj. R2 (ΔR2)
 N=350 Lower Upper
Step 1 covariates 0.18*
 Age 0.32(0.11) 0.16 .003 0.11 0.53
 Female sex −0.40 (0.62) −0.04 .52 −1.62 0.82
 White race −1.13 (0.64) −0.09 .08 −2.38 0.13
 Drinks per week 0.18 (0.03) 0.34 <.001 0.13 0.24
Step 2 predictors 0.37(0.20*)
 BYAACQ blackouts item 4.16(0.51) 0.37 <.001 3.15 5.16
 AUDIT blackouts item 1.21 (0.29) 0.20 <.001 0.64 1.78
Step 3 predictors
 ABOM score 0.45 (0.07) 0.36 <.001 0.31 0.59 0.44 (0.07*)
Outcome: 1mo
BYAACQ		 B β p 95% CI Adj. R2 (ΔR2)
 n=109 Lower Upper
Step 1 covariates 0.03
 Age −0.16(0.23) −0.07 .50 −0.61 0.30
 Female sex −0.90(1.21) −0.07 .46 −3.30 1.50
 White race −2.31 (1.29) −0.19 .08 −4.87 0.24
 Drinks per week 0.14(0.07) 0.20 .04 0.01 0.28
Step 2 predictors 0.08 (0.07*)
 BYAACQ blackouts item 1.61 (1.12) 0.14 .15 −0.62 3.84
 AUDIT blackouts item 1.70 (0.84) 0.21 .045 0.04 3.36
Step 3 predictors
 ABOM score 0.40 (0.18) 0.26 .03 0.05 0.75 0.10(0.03*)

Note. *significant R2 value at p<.05. AUDIT=Alcohol Use Disorders Identification Test. ABOM = Alcohol-Induced Blackout Measure. BYAACQ=Brief Young Adult Alcohol Consequences Questionnaire. CI=confidence interval.