Table 1.
Characteristics of demographic and history of drug use.
| Variables | Tramadol (n = 23) n (%) |
Heroin (n = 85) n (%) |
MA#
(n = 60) n (%) |
Healthy men (n = 50) n (%) |
F/χ 2 | P |
|---|---|---|---|---|---|---|
| Age (years) | ||||||
| 23.4 ± 4.1 | 25.7 ± 9.16 | 23.6 ± 8.1 | 22.9 ± 3.1 | 1.148 | 0.267 | |
| Range | (18–34) | (18–61) | (20–56) | (19–29) | ||
| Education | ||||||
| Junior high school | 9 (39.1) | 28 (32.9) | 19 (31.7) | 16 (32.0) | 1.941 | 0.115 |
| Senior high school and above | 14 (60.9) | 57 (67.1) | 41 (68.3) | 34 (68.0) | ||
| Marital status | ||||||
| Single | 15 (65.2) | 56 (65.9) | 31 (51.7) | 43 (86.0) | 1.252 | 0.207 |
| Others* | 8 (34.8) | 29 (34.1) | 29 (48.3) | 7 (14.0) | ||
| Ethnicity | ||||||
| Han ethnicity | 21 (91.3) | 70 (82.4) | 59 (98.3) | 49 (98.0) | 1.094 | 0.236 |
| Others | 2 (8.7) | 15 (17.6) | 1 (1.7) | 1 (2.0) | ||
| Occupation | ||||||
| Unemployed▼ | 7 (30.4) | 31 (36.5) | 19 (31.7) | 30 (60.0) | 0.289 | 0.591# |
| Employed | 16 (69.6) | 54 (63.5) | 41 (68.3) | 20 (40.0) |
▼Including students.
*Including married, divorced, and others.
#Methamphetamine.