Table 3 Screening and pre-treatment by group (assessment interview vs no assessment interview): Alcohol consumption

Drinks

 Assessment interview

41.1

25.1

29.9

24.9

F_(1,268) = 61.30,

p < .0001

F_(1,268) = 0.11,

p = .74

F_{(1, 268)} = 0.08,

p = .78

 No assessment interview

42.3

24.6

30.6

22.1

Heavy Drinking Days

 Assessment interview

4.4

2.1

3.3

2.4

F_(1,268) = 86.17,

p < .0001

F_(1,268) = 2.40,

p = .12

F_{(1, 268)} = 1.38,

p = .24

 No assessment interview

4.6

2.11

3.6

2.4