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Table 1 Baseline characteristics stratified by study condition (N = 620)

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 (Tobacco plus alcohol) (n = 215)

Control (Tobacco) (n = 199)

Control (Alcohol) (n = 206)

Statistics

P-value

 

N (%) or M (SD)

N (%) or M (SD)

N (%) or M (SD)

χ2 or F or t

 

Sociodemographic variables

Gender (N, % male)

210 (99.7)

191 (96.0)

205 (99.5)

5.74; df = 2

0.056

Age in years (M, SD) (range 18–60 years)

33.4 (10.8)

30.7 (10.9)

36.8 (11.0)

15.74; df = 2

<0.001

Education

Primary or less

112 (52.3)

108 (54.8)

111 (53.9)

2.56; df = 4

0.690

Secondary

93 (43.5)

77 (39.1)

80 (38.8)

Postsecondary

9 (4.2)

12 (6.1)

15 (7.3)

Marital status

Never married

60 (28.0)

46 (23.4)

48 (23.3)

6.47; df = 4

0.126

Married or cohabiting

140 (65.4)

146 (74.1)

150 (72.8)

Separated/Divorced/Widowed

14 (6.5)

5 (2.5)

8 (3.9)

Religious affiliation: Buddhist (vs. others)

213 (99.1)

196 (98.5)

205 (99.5)

2.17; df = 2

0.711

Employed (vs. unemployed or other)

205 (95.8)

176 (89.3)

196 (95.6)

9.16; df = 2

0.011

Monthly income

<10000 Baht

67 (31.3)

58 (29.4)

45 (22.0)

6.78; df = 4

0.164

10000-15000 Baht

84 (39.3)

71 (36.0)

93 (45.4)

>15000 Baht

63 (29.4)

68 (34.6)

67 (32.7)

Tobacco and alcohol use

Tobacco use (ASSIST score) (M,SD)

19.2 (4.4)

21.9 (3.6)

19.3 (4.4)

27.77; df = 2

<0.001

Alcohol use (ASSIST score) (M,SD)

16.9 (4.6)

16.2 (4.3)

17.2 (3.9)

2.86; df = 2

0.050

Past week tobacco use (units)

78 (52)

66 (49)

70 (48)

3.58; df = 2

0.032

Past week alcohol use (units)

22 (27)

19 (22)

21 (22)

1.03; df = 2

0.350

Other substance use (any frequency in the past 3 months)

Cannabis

1 (0.5)

1 (0.5)

1 (0.5)

  

Cocaine

0

0

0

  

Amphetamine

0

1 (0.5)

0

  

Solvents

0

0

0

  

Diazepam or sleeping pills

2 (0.9)

0

0

  

Hallucinogens

0

0

0

  

Opium

0

0

0

  

Other addictive substances

1 (0.5)

0

0

  
  1. M Mean; SD Standard Deviation; df degree of freedom; χ2 Chi-square
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Substance Abuse Treatment, Prevention, and Policy

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