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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Alcohol Clin Exp Res. 2014 Sep 24;38(10):2615–2621. doi: 10.1111/acer.12526

Table 3.

Age of Onset, Delay to Intoxication, and Alcohol Use

Predictors
Any Drinking
Binge Drinking
ΔR2
df
F
Unstandardized
β
ΔR2
df
F
Unstandardized
β
B
Std. Error
B
Std. Error
 Step 1
DEMOGRAPHICS .02** (3, 285) 2.79 .01 (3, 282) 1.69

  Grade −.02 .01 −.10 .00 .01 .00
  Race −.04 .03 −.10 −.07 .04 −.12
  Gender .03 .02 .09 .03 .03 .06

 Step 2
AO & DELAY .08*** (2, 283) 13.33 .06*** (2, 280) 9.31

  AO −.03 .01 −.36*** −.03 .01 −.31***
  Delay −.02 .01 −.15* −.03 .01 −.17*

 Step 3
INTERACTIONS .00 (7, 276) .87 .02 (7, 273) 1.63

  AO x Delay .02 .03 .11 −.01 .04 −.03
  AO x Gender −.02 .01 −.14 −.02 .02 −.08
  Delay x Gender −.04 .03 −.26 −.04 .04 −.17
  AO x Race .01 .03 .03 −.05 .04 −.17
  Delay x Race .01 .03 .02 .05 .04 .20
  AO x Grade .00 .01 .01 .04 .02 .14
  Delay x Grade −.01 .04 −.05 .03 .06 .11

Note.

*

p < .05

**

p < .01

***

p < .001

superscript T < .10

Reference groups were as follows: 9th grade; Caucasian race; female gender