| Publicly funded | Self-paid | χ 2 or t | P | ||
---|---|---|---|---|---|---|
 | n | Mean (SD) | n | Mean (SD) | ||
Age (year) | 129 | 38.29 (7.65) | 105 | 37.97 (7.16) | 0.32 | 0.747 |
Gender | Â | Â | Â | Â | 0.93 | 0.334 |
 Female | 11 |  | 13 |  |  |  |
 Male | 118 |  | 92 |  |  |  |
Living alonea | Â | Â | Â | Â | 1.99 | 0.158 |
 No | 118 |  | 98 |  |  |  |
 Yes | 11 |  | 4 |  |  |  |
Educational years | 129 | 9.36 (2.55) | 105 | 9.48 (2.09) | 0.40 | 0.688 |
Age of first heroin use | 129 | 25.59 (5.89) | 105 | 26.92 (6.80) | 1.65 | 0.101 |
Heroin using yearsa | 112 | 9.25 (6.77) | 82 | 6.48 (3.86) | 3.59 | <0.001 |
Fixed employmenta | Â | Â | Â | Â | <0.01 | 0.975 |
 No | 60 |  | 49 |  |  |  |
 Yes | 68 |  | 56 |  |  |  |
Family drug using | Â | Â | Â | Â | 0.47 | 0.495 |
 No | 109 |  | 92 |  |  |  |
 Yes | 20 |  | 13 |  |  |  |
HBV carrier | Â | Â | Â | Â | 0.28 | 0.597 |
 Seronegative | 106 |  | 89 |  |  |  |
 Seropositive | 23 |  | 16 |  |  |  |
HCV carrier | Â | Â | Â | Â | 3.30 | 0.069 |
 Seronegative | 4 |  | 9 |  |  |  |
 Seropositive | 125 |  | 96 |  |  |  |
HIV carrier | Â | Â | Â | Â | 45.35 | <0.001 |
 Seronegative | 84 |  | 105 |  |  |  |
 Seropositive | 45 |  | 0 |  |  |  |
Physical QoLa | 128 | 11.95 (1.89) | 103 | 12.48 (1.94) | 2.10 | 0.036 |
Psychological QoL | 129 | 11.94 (2.68) | 105 | 12.83 (2.12) | 2.83 | 0.005 |
Social QoLa | 129 | 12.62 (3.12) | 104 | 13.44 (2.80) | 2.09 | 0.038 |
Environment QoL | 129 | 12.47 (2.86) | 105 | 13.43 (2.30) | 2.77 | 0.006 |