Table 1.
Demographics information and clinical data in ketamine users
| Total | Male | Female | P value | ||
|---|---|---|---|---|---|
| Age, years ± SD (range) | 26.3 ± 5.4 (15-54) | 26.5 ± 5.5 (15-54) | 25.0 ± 4.3 (18-38) | <0.001*** | |
| Gender, n (%) | 1614 | 1353 (83.8%) | 261(16.2%) | <0.001*** | |
| Marriage status (%) | Single | 88.0 | 88.1 | 87.5 | 0.013* |
| Married | 11.2 | 11.1 | 12.1 | ||
| Others | 0.8 | 0.8 | 0.4 | ||
| Education, years ± SD | 12.1 ± 2.3 | 12.2 ± 2.4 | 11.8 ± 2.1 | 0.056 | |
| Occupation | On job, n (%) | 1354 (83.9) | 1143 (84.5) | 211(80.7) | |
| Jobless, n (%) | 252 (15.6) | 202 (14.9) | 50 (19.1) | ||
| Age of first ketamine use, years ± SD | 22.1 ± 5.7 | 22.3 ± 5.8 | 21.2 ± 4.8 | 0.001** | |
| Other substance use (%) | Cigarette | 72.4 | 73.9 | 64.8 | 0.002** |
| Alcohol | 16.5 | 15.7 | 20.7 | 0.049* | |
| Betel nut | 15.8 | 18.4 | 2.3 | <0.001*** | |
| Hypnotics | 4.7 | 2.7 | 15.3 | <0.001*** | |
| MDMA | 4.4 | 4.1 | 5.7 | 0.246 | |
| Meth-amphetamine | 1.6 | 1.4 | 2.7 | 0.133 | |
| Marijuana | 1.5 | 1.6 | 1.1 | 0.622 | |
| Heroin | 0.5 | 0.5 | 0.4 | 0.777 | |
| Glue | 0.4 | 0.5 | 0.0 | 0.244 |
P value: difference between genders.
*p < 0.05, **p< 0.01, ***p< 0.001.