Age (years)
|
514
|
36.3 (7.5)
|
Education (years)
|
514
|
9.9 (2.0)
|
Life events
|
514
|
1.8 (2.2)
|
Family APGAR score
|
514
|
5.8 (4.3)
|
Criminal convictions (substance)
|
514
|
2.4 (1.7)
|
Criminal convictions (nonsubstance)
|
514
|
1.4 (1.6)
|
Onset age of heroin use (years)
|
514
|
25.6 (6.7)
|
Length of heroin use (years)
|
514
|
10.7 (5.8)
|
Dose of heroin (half qian/day)b
|
514
|
6.5 (6.5)
|
SDS
|
514
|
7.0 (2.7)
|
CAGE
|
514
|
1.4 (1.4)
|
Cigarette consumption
|
514
|
1.2 (0.5)
|
CES-D
|
514
|
21.5 (9.7)
|
QOL-physical health
|
514
|
12.8 (2.1)
|
QOL-psychological
|
514
|
12.1 (2.4)
|
QOL-social relations
|
514
|
12.2 (2.4)
|
QOL-environment
|
514
|
12.1 (2.2)
|
Global PSQI
|
514
|
9.1 (4.3)
|
Categorical Variables
|
N
|
%
|
Sex
|
Male
|
462
|
89.9
|
Female
|
52
|
10.1
|
Marital status
|
Single
|
251
|
48.8
|
Married
|
112
|
21.8
|
Divorced, separated, or widowed
|
151
|
29.4
|
Employment
|
Yes
|
302
|
58.8
|
No
|
212
|
41.2
|
Injection drug use
|
Yes
|
387
|
75.3
|
No
|
127
|
24.7
|
Needle sharing
|
Yes
|
44
|
8.6
|
No
|
470
|
91.4
|
Sleep disturbance
|
Yes (PSQI > 5)
|
392
|
76.3
|
No (PSQ≦5) |
122
|
23.7
|