Table 2 Alcohol prevention activity according to prevention level, and matrix of differences between prevention levels (N = 295)

Primary activities

(M = 2.8; SD = 0.8)

–

M_diff = 0.1^ns

p = .173

t (294) = − 1.4

Secondary activities

(M = 2.9; SD = 0.7)

M_diff = 0.1^ns

p = .173

t (294) = − 1.4

–

Tertiary activities

(M = 3.3; SD = 0.8)

M_diff = 0.5*

p = <.001

t (294) = 8.9

M_diff = 0.5*

p = <.001

t (294) = 10.0