Table 4.

Main results of the effect of The Triad on alcohol consumption and intoxication: results shown as marginal effects (standard errors)

	Alcohol consumption		Intoxication
	Model (1)	Model (2)	Model (3)	Model (4)
Intervention	−0.20**	−0.22**	−0.15	−0.24
	(0.094)	(0.096)	(0.114)	(0.148)
Post	0.23***	0.22***	0.15***	0.13***
	(0.033)	(0.033)	(0.030)	(0.030)
Intervention × Post	0.10	0.12	0.10	0.16
	(0.084)	(0.086)	(0.089)	(0.107)
Boy		0.01		−0.00
		(0.034)		(0.020)
Rental		−0.04		−0.03
		(0.045)		(0.026)
Swedish		−0.05		0.02
		(0.067)		(0.037)
Nuclear		−0.03		0.01
		(0.055)		(0.034)
Shared		0.03		0.03
		(0.076)		(0.054)
Books many		−0.04		−0.01
		(0.044)		(0.028)
Books medium		−0.07*		−0.02
		(0.037)		(0.023)
Observations	1062	1040	1062	1039

Note: *p = 0.05; **p = 0.01; ***p <0.001, statistically significant difference compared to control schools (two-sided t-test)