Table 1 Socio-demographic, substance, and psychiatric characteristics in heroin users
Continuous variables | Numbera | Mean (SD) | |
|---|---|---|---|
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 | |