Table 6

Change in primary outcomes for various periods of the study for participants who dropped out early (0 or 1 week) and for those who received full treatment (12 weeks).

Total Improvement

Percent days abstinent

Group

Pretreatment

Follow-up

t=

df

p=

Effect

0

33

72

1.95

85

.000

1.498

1

29

64

9.30

105

.000

1.320

12

30

86

31.74

354

.000

2.042

Drinks per drinking day

0

17.9

7.3

1.75

85

.000

1.534

1

22.8

7.6

11.99

105

.000

1.552

12

15.7

3.2

34.68

354

.000

2.494

Instantaneous Improvement (week 1)

Percent days abstinent

Group

Pretreatment

Week 1

t=

df

p=

Effect

0

32

81

9.17

56

.000

1.981

1

30

69

8.43

87

.000

1.447

12

30

92

35.30

339

.000

2.317

Drinks per drinking day

0

18.7

3.8

1.75

56

.000

2.097

1

22.5

8.7

9.69

87

.000

1.770

12

15.6

1.5

35.28

339

.000

2.909

Acute Treatment Phase (weeks 1 & 12)

Percent days abstinent

Group

Week 1

Week 12

t=

df

p=

Effect

0

81

81

.19

56

.852

-.025

1

69

63

1.69

87

.098

-.174

12

92

96

2.82

339

.005

.155

Drinks per drinking day

0

3.8

5.0

1.08

56

.283

-.172

1

8.7

8.8

.82

87

.415

-.090

12

1.5

1.1

2.05

339

.041

.126

Cutler and Fishbain BMC Public Health 2005 5:75   doi:10.1186/1471-2458-5-75