Table 1 Sample characteristics at baseline in surviving and deceased patients (N = 193).

Female, %

29

18

0.19

Age, mean years (SD)

38.7 (11.0)

44.2 (10.1)

0.01

Employment, %

34

29

0.60

Marital status, %

39

30

0.37

Alcoholics, %

54

73

0.04

Onset of substance use disorder, mean years (SD)

22.3 (9.9)

26.4 (12.5)

0.03

Duration of substance use disorder, mean years (SD)

16.4 (9.1)

17.7 (9.1)

0.45

Lifetime Axis 1 disorder, %

91

82

0.13

Lifetime anxiety disorders, %

81

81

0.95

Lifetime affective disorders, %

64

52

0.19

Any personality disorder, %

72

73

0.90