Table 5 Comparison of patients with and without psychiatric comorbidity in relation with alcohol dependence characteristics

Age of initiation (years)

Mean

20.63

17.30

–

0.581

Standard deviation

4.661

4.959

–

Duration of drinking

0–10 years

7

6

13

0.033

11–20 years

32

8

40

21–30 years

12

11

23

31–40 years

11

2

13

41–50 years

5

6

11

Frequency of abstinence

0 times

11

6

17

0.386 (N.S)

1–2 times

45

18

63

3–5 times

11

9

20

Duration of abstinence

0 months

12

6

18

0.995 (N.S)

1–2 months

21

10

31

3–12 months

27

13

40

> 12 months

7

4

11