Table 2 Participant drug use
From: Drug users in Hanoi, Vietnam: factors associated with membership in community-based drug user groups
Variable | All 372 (100%) | Members 188 (50.5%) | Non-members 184 (49.5%) | P-value |
|---|---|---|---|---|
Drug Use History | Â | Â | Â | Â |
  Age of first drug usea | 22.8 (5.8) | 22.3 (5.8) | 23.2 (5.9) | 0.110 |
  Have ever injected drugs | 236 (68.0) | 118 (66.3) | 118 (69.8) | 0.481 |
Current Drug Use | Â | Â | Â | Â |
  Used opioids in the last 30 days | 187 (50.5) | 82 (44.1) | 105 (57.1) | 0.013 |
  Used amphetamines in the last 30 days | 25 (6.9) | 11 (5.9) | 14 (7.9) | 0.461 |
  Injected in the last 30 daysb | 114 (48.5) | 51 (42.2) | 63 (55.3) | 0.044 |