Table 1. Demographic Information.
| Demographic Data | HA(n = 13) | HR(n = 13) | t | p |
|---|---|---|---|---|
| Age(year) | 42.1 ± 8.1 | 36.1 ± 6.9 | 2.03 | 0.053 |
| Years of education(year) | 9.5 ± 2.2 | 9.7 ± 3.4 | −0.21 | 0.839 |
| Years of smoking(year) | 17.9 ± 4.6 | 18.8 ± 4.3 | −0.48 | 0.633 |
| Cigarettes smoking per day | 17.7 ± 8.6 | 16.4 ± 9.5 | 0.37 | 0.659 |
| Pre-baseline heroin abuse(g) | 767.6 ± 582.8 | 873.6 ± 1186.5 | −0.29 | 0.180 |
| Pre-baseline Methadone dosage(L) | 49.0 ± 41.8 | 38.6 ± 22.9 | 0.79 | 0.056 |
| Follow-up daily Methadone dosage(ml) | 43.8 ± 18.8 | 48.6 ± 16.8 | −0.69 | 0.442 |
| BDI scores | 11.2 ± 9.8 | 9.4 ± 7.9 | 0.51 | 0.617 |
| HAMA scores | 13.8 ± 9.7 | 12.8 ± 11.6 | 0.26 | 0.800 |
p value was obtained by two-sample t-test.