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Table 4 Main results of the effect of The Triad on alcohol consumption and intoxication: results shown as marginal effects (standard errors)

From: Effects on alcohol use of a Swedish school-based prevention program for early adolescents: a longitudinal study

 

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

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