Table A1.

Correlation matrix

Variable	1.	2.	3.	4.	5.	6.	7.	8.	9.
1. Drinking (past–month)	1.00
2. Moral approval of alcohol use	.53	1.00
3. Expectations for alcohol use	.46	.53	1.00
4. Sex	.00a	.04	.03	1.00
5. Race	−.03	−.04	−.05	−.03	1.00
6. Both Biological Parents	−.07	−.09	−.10	.05	.08	1.00
7. School Adjustment & Bonding	−.31	−.42	−.40	−.19	.06	.14	1.00
8. Family Relations	−.29	−.39	−.40	−.01b	.05	.18	.54	1.00
9. Risk & Sensation Seeking	.31	.36	.35	.14	−.04	−.10	−.39	−.34	1.00

All correlations p < .001 unless otherwise noted

All values are means across 42 networks, with a total N of 39,353 person/waves

^ap > .10

^bp < .05