Table 4.

Interaction analysis using a multivariate linear regression models with interaction terms using drinking frequency and heavy drinking frequency as the outcomes (controlled for drinking motives and sex).

	Drinking frequency Estimate (95% CI)	Heavy drinking frequency Estimate (95% CI)
Boys × Social motives	–0.11	0.05
	(–0.26, 0.04)	(–0.06, 0.17)
Boys × Enhancement motives	0.01	–0.03
	(–0.16, 0.18)	(–0.17, 0.11)
Boys × Coping-depression motives	–0.05	–0.11
	(–0.20, 0.09)	(–0.24, 0.01)
Boys × Coping-anxiety motives	0.12	0.13
	(–0.06, 0.29)	(–0.01, 0.26)
Boys × Conformity motives	0.13	0.08
	(–0.06, 0.32)	(–0.08, 0.24)
Observations	1,860	1,860