Table 2 Intra- and inter-group comparisons of change in alcohol consumption between the start and end of treatment and at 12 month follow-up, as measured according to three outcome measures¹

 M (SD)

299 (290)

− 143 (132)

− 112 (128)

327 (355)

− 240 (301)

− 357 (403)

 Md (min–max)

173 (32–1584)

−132 (− 423 − + 51)

−91 (− 363 − + 165)

231 (14–1584)

− 159 (−1584–0)

−240 (−1584 - -45)

 p-value

p < 0.001^a

p < 0.001^a

p < 0.001^a

p < 0.001^a

p = 0.174^c

p = 0.001^c

 n (%)

28 (73.7%)

28 (75.7%)

 Worse n (%)

0 (0%)

1 (3.3%)

0 (0%)

0 (0%)

 Equal n (%)

18 (58.1%)

17 (56.7%)

10 (35.7%)

5 (18.5%)

 Improved n (%)

13 (41.9%)

12 (40.0%)

18 (64.3%)

22 (81.5%)

 p-value

p < 0.001^b

p = 0.003^b

p < 0.001^b

p < 0.001^b

p = 0.089^d

p = 0.002^d

 n (%)

0 (0.0%)

0 (0.0%)

 Worse n (%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

 Equal n (%)

27 (87.1%)

26 (86.7%)

17 (60.7%)

12 (44.4%)

 Improved n (%)

4 (12.9%)

4 (13.3%)

11 (39.3%)

15 (55.6%)

 p-value

p = 0.125^b

p = 0.125^b

p = 0.001^b

p < 0.001^b

p = 0.021^d

p = 0.001^d