Table 1 Clinical characteristics of participants (mean ± S.D.)
Characteristics | Non-relapse (N =19) | Relapse (N = 21) | T-value | p-value |
|---|---|---|---|---|
Age (years) | 39.3 ± 7.1 | 35.6 ± 5.4 | 1.74 | 0.09 |
Education level (years) | 9.1 ± 2.6 | 9.5 ± 2.2 | −0.49 | 0.62 |
Cigarettes (per day) | 21 ± 8.5 | 21.3 ± 10.1 | −0.12 | 0.90 |
Duration of cigarette smoking (months) | 275.7 ± 69.1 | 224 ± 64.5 | 2.29 | 0.30 |
Daily dosage of heroin abuse (g) | 0.3 ± 0.2 | 0.3 ± 0.1 | 0.16 | 0.87 |
Accumulated dosage of heroin abuse (g) | 1036.8 ± 1232.2 | 918.8 ± 1186.9 | 0.28 | 0.77 |
Duration of heroin abuse (months) | 275.7 ± 69.1 | 224 ± 64.5 | 0.49 | 0.62 |
Accumulated dosage of methadone use (l) | 41.6 ± 34.9 | 30.6 ± 17.4 | 1.16 | 0.25 |
Daily dosage of methadone use (ml) | 44.1 ± 19.5 | 43.5 ± 11.8 | 0.11 | 0.91 |