Table 2 Baseline features by genotype and treatment assignment (n = 170).

From: Prospective randomized pharmacogenetic study of topiramate for treating alcohol use disorder

Genotype group

CC (N = 61; 35.9%)

AC/AA (N = 109; 64.1%)

P values

Medication group

Topiramate (N = 30)

Placebo (N = 31)

Topiramate (N = 55)

Placebo (N = 54)

Medication group

Genotype group

Interaction effect

Demographics

       

Sex (Male)

22 (73%)

24 (77%)

39 (71%)

36 (67%)

0.86

0.35

0.56

Age (yr)a

53.0 (11.9)

47.9 (14.6)

51.9 (9.8)

51.2 (11.6)

0.20

0.57

0.27

Marital statusb

16 (53%)

15 (48%)

31 (56%)

36 (67%)

0.52

0.18

0.33

Employment status

    

0.15

0.99

0.40

  Full-time

20 (67%)

20 (65%)

31 (56%)

38 (70%)

  

  Part-time

2 (7%)

6 (19%)

11 (20%)

10 (19%)

  

  Not Working

8 (27%)

5 (16%)

13 (24%)

6 (11%)

  

Education (yr)a

16.4 (2.3)

15.6 (2.9)

16.0 (2.4)

16.7 (2.1)

0.61

0.35

0.07

Annual income level

    

0.27

0.80

0.59

  <$40,000

1 (3%)

8 (26%)

11 (20%)

3 (6%)

  

  $40,000–$79,999

8 (27%)

4 (13%)

7 (13%)

10 (19%)

  

  $80,000–$119,000

9 (30%)

8 (26%)

14 (25%)

21 (39%)

  

  ≥$120,000

12 (40%)

11 (35%)

23 (42%)

20 (37%)

  

Clinical measures

       

 Lifetime major depression

7 (23%)

11 (35%)

11 (20%)

8 (15%)

0.87

0.08

0.21

 Lifetime anxiety disorder

5 (17%)

6 (19%)

4(7%)

10 (19%)

0.13

0.39

0.34

 PHQ-9 scorea

5.1 (3.4)

6.1 (4.1)

5.0 (4.2)

5.4 (4.5)

0.32

0.49

0.62

 Drinking daysa,c

86.6% (15.2)

85.6% (17.0)

87.5% (17.3)

86.9% (16.9)

0.71

0.71

0.98

 Heavy drinking Daysa,c

70.6% (22.8)

65.5% (26.2)

75.6% (23.9)

68.7% (25.6)

0.18

0.20

1.0

 SIP scorea,c

14.0 (7.9)

15.2 (10.3)

14.4 (9.1)

13.8 (9.4)

0.98

0.71

0.53

  1. PHQ-9 patient health questionnaire-9; SIP short index of problems.
  2. aValues are mean and standard deviation.
  3. bMarried or cohabiting.
  4. cDuring the 90 days preceding the screening visit.