Table 1.
Characteristics of respondents by stage of interview
|
T1 |
T2 |
T3 |
|
|---|---|---|---|
| %/MV | %/MV | %/MV | |
| Place of survey |
(N = 165) |
(N = 141) |
(N = 89) |
| Berlin |
30.9 |
31.9 |
20.2 |
| Bielefeld |
5.5 |
6.4 |
1.1 |
| Dortmund |
11.5 |
11.3 |
15.7 |
| Frankfurt |
46.1 |
44.7 |
57.3 |
| Hamburg |
6.1 |
5.7 |
5.6 |
| Sex |
(N = 165) |
(N = 141) |
(N = 89) |
| Male |
77.0 |
77.3 |
79.8 |
| Female |
23.0 |
22.7% |
20.2 |
| Age |
(N = 165) |
(N = 141) |
(N = 89) |
| 19–29 years |
29.7 |
30.5% |
29.2 |
| 30–39 years |
40.0 |
41.8% |
46.1 |
| 40 years and over |
30.3 |
27.7% |
24.7 |
| Average age (SD) |
34.7 (8.3) |
34.3 (8.4) |
34.4 (7.8) |
| Nationality |
(N = 161) |
(N = 138) |
(N = 88) |
| Germany |
78.9 |
79.0 |
81.8 |
| Other EU country |
9.3 |
10.1 |
8.0 |
| Other country outside the EU |
11.8 |
10.9 |
10.2 |
| Years of heroin or other opiate use |
(N = 165) |
(N = 141) |
(N = 89) |
| 1–5 years |
19.4 |
19.9 |
15.7 |
| 6–10 years |
24.8 |
27.0 |
29.2 |
| 11–15 years |
20.0 |
17.7 |
22.5 |
| 16–20 years |
20.6 |
21.3 |
19.1 |
| 21 years and over |
15.2 |
14.2 |
13.5 |
| Mean value (SD) |
13.3 (8.3) |
13.1 (8.2) |
13.2 (8.2) |
| Years of intravenous heroin use |
(N = 117) |
(N = 99) |
(N = 64) |
| Mean value (SD) |
10.4 (9.0) |
10.0 (8.9) |
10.7 |
| Ever smoked heroin |
(N = 139) |
(N = 120) |
(N = 70) |
| Yes |
96.8 |
97.0 |
95.3 |
| No |
3.2 |
3.0 |
4.7 |
| Mean value (SD) | 11.1 (7.4) | 11.0 (7.4) | 10.7 (6.7) |