Table 4 Injecting behaviour by site
Hanoi % (95 % CI) | HCMC % (95 % CI) | |
|---|---|---|
Who introduced you to drug use? | n = 203 | n = 200 |
Friend | 70.6 (62.3–78.8) | 72.6 (66.0–79.0) |
Boyfriend/husband | 24.6 (17.1–31.5) | 11.6 (7.0–17.0) |
Drug dealer | 0.0 (0.0–0.0) | 0.6 (0.1–1.2) |
Sibling | 1.8 (0.0–4.5) | 5.8 (2.7–9.4) |
Client | 1.5 (0.0–4.4) | 1.4 (0.0–3.6) |
Age first drug use | n = 203 | n = 200 |
<16 | 0.5 (0.1–0.9) | 12.1 (7.3–18.0) |
16–20 | 27.8 (18.7–37.7) | 49.7 (41.4–56.4) |
21–25 | 40.3 (30.3–50.4) | 29.4 (23.4–37.6) |
26+ | 31.4 (22.7–40.7) | 8.8 (4.4–12.8) |
Two most common injecting locations | n = 203 | n = 200 |
Own house | 87.1 (82.0–93.5) | 50.2 (41.0–58.1) |
Public toilet | 37.8 (29.0–49.6) | 29.2 (21.7–36.3) |
Street or park | 18.4 (10.1–26.0) | 37.6 (30.5–45.9) |
Guesthouse or hotel | 40.6 (33.4–50.6) | 5.7 (2.9–9.1) |
Home of male partner | 20.1 (12.6–30.3) | 4.5 (2.6–6.9) |
Frequency of injecting (past month) | n = 203 | n = 200 |
4–6 times a week | 4.7 (0.0–6.6) | 1.0 (0.0–1.6) |
About once daily | 8.8 (5.1–13.0) | 18.3 (10.7–25.8) |
2–3 times daily | 60.7 (50.6–71.0) | 59.2 (50.8–67.6) |
4+ times daily | 19.2 (12.3–27.6) | 21.5 (15.4–28.5) |
Shared needles and syringes (NS) in past month | n = 196 | n = 199 |
8.3 (1.8–14.8) | 18.4 (12.9–24.7) | |
At last injection | n = 203 | n = 198 |
No others present | 68.0 (57.5–77.4) | 61.4 (52.8–69.8) |
One or more others present | 32.0 (22.7–42.6) | 38.6 (30.2–47.3) |
Shared drugsa | 34.9 (17.2–67.3) | 39.1 (21.4–53.0) |
Shared mixing watera | 38.0 (7.9–72.7) | 59.7 (43.6–88.0) |
Shared NS occasiona | 24.8 (2.9–50.2) | 33.6 (15.8–50.8) |