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Table 3 Alcohol and tobacco -related outcome measures at baseline, 3-month and 6-month follow-up

From: Screening and concurrent brief intervention of conjoint hazardous or harmful alcohol and tobacco use in hospital out-patients in Thailand: a randomized controlled trial

  

Intervention

Control

Control

GEE (Time)

GEE (Group x Time)

Variables

Time

Alcohol and Tobacco

Tobacco only

Alcohol only

Wald Chi-square

P-value

Wald Chi-square

P-value

Criterion variables

Past week tobacco use units (M, SD)

Baseline (n = 620)

78 (52)

66 (49)

70 (48)

332.38

<0.001

2.60

0.107

3 months (n = 462)

41 (38)

22 (32)

36 (37)

6 months (n = 450)

40 (35)

20 (29)

37 (42)

Past week alcoholic use units (M, SD)

Baseline (n = 620)

22 (27)

19 (22)

21 (22)

206.48

<0.001

3.01

0.083

3 months (n = 462)

8 (15)

5 (7)

7 (12)

6 months (n = 450)

12 (18)

5 (9)

6 (10)

Tobacco ASSIST total (M, SD)

Baseline (n = 620)

19.2 (4.4)

21.9 (3.6)

19.3 (4.4)

485.08

<0.001

8.43

0.004

3 months (n = 462)

7.0 (4.9)

9.1 (9.1)

8.9 (6.7)

6 months (n = 450)

6.3 (3.9)

9.1 (9.4)

8.5 (6.5)

Past week tobacco abstinent (N, %)

Baseline (n = 620)

0 (0.0)

0 (0.0)

0 (0.0)

2000.16

<0.001

7.34

0.007

3 months (n = 462)

31 (19.1)

61 (41.2)

37 (24.3)

6 months (n = 450)

28 (17.7)

70 (49.0)

40 (26.7)

Alcohol ASSIST total (M, SD)

Baseline (n = 620)

16.9 (4.6)

16.2 (4.3)

17.2 (3.9)

1810.97

<0.001

1.80

0.179

3 months (n = 462)

5.6 (5.6)

7.5 (7.4)

6.3 (6.3)

6 months (n = 450)

6.1 (4.9)

8.6 (8.0)

4.8 (5.7)

Alcohol ASSIST score (<11) (N,%)

Baseline (n = 620)

0 (0.0)

0 (0.0)

0 (0.0)

486.58

<0.001

1.07

0.301

3 months (n = 462)

131 (80.9)

96 (64.9)

110 (72.4)

6 months (n = 450)

127 (80.9)

86 (60.1)

123 (82.0)

Past week tobacco abstinent OR Alcohol ASSIST (<11) (N,%)

Baseline (n = 620)

0 (0.0)

0 (0.0)

0 (0.0)

745.64

<0.001

1.05

0.305

3 months (n = 462)

102 (63.0)

63 (42.6)

87 (57.6)

6 months (n = 450)

101 (64.3)

54 (37.8)

91 (60.7)

Past week tobacco abstinent AND Alcohol ASSIST (<11) (N,%)

Baseline (n = 620)

0 (0.0)

0 (0.0)

0 (0.0)

737.40

<0.001

0.88

0.348

3 months (n = 462)

30 (18.5)

47 (31.8)

30 (19.6)

6 months (n = 450)

27 (17.2)

51 (35.7)

36 (24.0)