Table 2.

Results from multi-level modeling for 11th grade: frequency binge drinking last 30 days

Fixed effect	Coefficient	se	t Ratio
Model for Individuals (N=3,318)
Commercial sources	0.061	0.005	10.52**
Friends >21 source	0.187	0.006	27.53**
Friends <21 source	0.070	0.010	6.90**
Parent source	−0.055	0.016	−3.42**
Stole from home source	0.010	0.015	0.69
Model for Communities (N=93)
Commercial access rate (CAR)	0.060	0.024	2.46**
Minor in possession enforcement (MIP)	−0.035	0.020	−1.68+
Cross-Level Effects
CAR → commercial source	0.021	0.006	3.43**
CAR → Friend > 21 source	−0.016	0.006	−2.59**
CAR → Friend < 21 source	0.030	0.010	2.97**
CAR → Parent source	0.088	0.017	5.21**
CAR → Home source	−0.000	0.015	−0.00
MIP → Commercial source	0.001	0.006	0.18
MIP → Friend > 21 source	−0.002	0.007	−0.37
MIP → Friend <21 source	−0.033	0.011	−3.05**
MIP → Parent source	0.020	0.015	1.34
MIP → Home source	0.030	0.017	1.80+

Variance
Random effect	Component	se	t-value
Community means, u0j	0.033	0.008	3.80**
Commercial source slopes, u1j	0.023	0.006	3.89**
Friends >21 source slopes, u2j	0.009	0.002	3.50**
Friends <21 source slopes, u3j	0.024	0.006	3.78**
Parent source slopes, u4j	0.026	0.011	2.40**
Stole from home source slopes, u5j	0.081	0.024	3.31**
Individual students, rij	0.392	0.010	38.06**

⁺p < .10,

^*p < .05,

^**p < .01