Table 2 Relationship between demographic characteristics of participants and total abstinence at one-year follow-up (n = 145)

Age (Mean [SD])

50.4 (7.5)

48.9 (7.8)

0.236

t₁₄₃ = -1.19

Number of admissions to a psychiatry department (Mean [SD])

1.5 (1.2)

2.3 (1.7)

0.001

t₁₃₅ = 3.33

History of finger tremor due to alcohol withdrawal

0.020

Chi₁² = 5.42

No

16 (30.2%)

13 (14.1%)

Yes

37 (69.8%)

79 (85.9%)

History of seizure due to alcohol withdrawal

0.256

Chi₁² = 1.29

No

47 (88.7%)

75 (81.5%)

Yes

6 (11.3%)

17 (18.5%)

History of delirium due to alcohol withdrawal

0.980

Chi₁² < 0.01

No

41 (77.4%)

71 (77.2%)

Yes

12 (22.6%)

21 (22.8%)

Presence of liver cirrhosis

0.087

Chi₁² = 2.94

No

47 (88.7%)

71 (77.2%)

Yes

6 (11.3%)

21 (22.8%)

MMSE(Mean [SD])

28.0 (1.7)

27.7 (2.3)

0.403

t₁₃₅ = −0.84

Cohabitation with spouse

0.113

Chi₁² = 2.51

Yes

32 (60.4%)

43 (46.7%)

No

21 (39.6%)

49 (53.3%)

Employment status

0.014

Chi₁² = 5.98

Working continuously for more than 3 years

37 (69.8%)

45 (48.9%)

Working continuously for less than 3 years, or unemployed

16 (30.2%)

47 (51.1%)

Educational history

0.037

Chi₁² = 4.34

Graduated from high school or higher

46 (86.8%)

66 (71.7%)

Graduated from junior high school or dropped out of high school

7 (13.2%)

26 (28.3%)

History of illegal drug usage or abuse

0.008

Chi₁² = 7.05

No

51 (96.2%)

74 (80.4%)

Yes

2 (3.8%)

18 (19.6%)

Age at first consumption of alcohol (Mean [SD])

18.0 (2.9)

17.2 (3.5)

0.153

t₁₄₃ = -1.44

Alcohol problems in parent or sibling

0.934

Chi₁² = 0.01

No

40 (75.5%)

70 (76.1%)

Yes

13 (24.5%)

22 (23.9%)

Pre-treatment SDS score (Mean [SD])

41.2 (6.6)

41.4 (7.6)

0.937

t₁₄₃ = -0.08

Post-treatment SDS score (Mean [SD])

37.9 (7.8)

38.7 (8.1)

0.552

t₁₄₃ = 0.60

Pre-treatment DRCS score (Mean [SD])

Expectancy and resignation

29.3 (5.4)

27.4 (6.3)

0.057

t₁₄₃ = -1.92

Perception of impaired control

23.0 (6.0)

21.5 (6.6)

0.172

t₁₄₃ = −1.37

Perception of drinking problems

18.5 (4.3)

18.0 (5.2)

0.611

t₁₄₃ =−0.51

Total

70.8 (13.3)

66.9 (13.7)

0.096

t₁₄₃ =-1.67

Post-treatment DRCS score (Mean [SD])

Expectancy and resignation

33.3 (3.8)

30.2 (5.8)

< 0.001

t₁₄₀ =-3.79

Perception of impaired control

26.5 (4.8)

24.1 (6.3)

0.013

t₁₃₃ =-2.52

Perception of drinking problems

21.7 (3.1)

20.4 (4.4)

0.041

t₁₃₇ =-2.06

Total

81.4 (10.1)

74.7 (13.6)

0.001

t₁₃₄ =-3.37