Table 3.
Associations between parent, sibling, and peer alcohol use and alcohol-related outcomes.
| Sibling alcohol frequency N = 809–830 | Sibling alcohol quantity N = 804–825 | Mid-parent alcohol dependence symptoms N = 783–800 | Peer alcohol use N = 600–606 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Main effect | Interaction | Main effect | Interaction | Main effect | Interaction | Main effect | Interaction | |||||||||
| β (SE) | p-value | β (SE) | p-value | β (SE) | p-value | β (SE) | p-value | β (SE) | p-value | β (SE) | p-value | β (SE) | p-value | β (SE) | p-value | |
| Alcohol frequency | .07 (.04) | .09 | −.02 (.11) | .84 | .06 (.04) | .15 | −.10 (.06) | .10 | .01 (.04) | .79 | .004 (.04) | .92 | .22 (.04) | <.001* | −.01 (.12) | .92 |
| Usual quantitya | .09 (.04) | .02 | .07 (.11) | .55 | .15 (.04) | .0003* | −.02 (.07) | .78 | .03 (.04) | .49 | .09 (.05) | .06 | .25 (.04) | <.001* | .13 (.13) | .33 |
| Maximum drinksa | .08 (.04) | .07 | .04 (.12) | .73 | .08 (.04) | .05 | .00 (.07) | .96 | −.01 (.04) | .79 | .04 (.05) | .34 | .30 (.04) | <.001* | .02 (.13) | .85 |
Note. All models included ALDH2 status, sex, age at assessment (linear and quadratic term), and an ALDH2 status × sibling, parent, or peer alcohol use interaction as fixed effects along with random intercept per individual and slope for age. β = standardized coefficient; SE = standard error
a
denotes variables that were log transformed prior to analysis
*
denotes p-values below the corrected threshold of 0.005.