From: Prevalence of skin problems and leg ulceration in a sample of young injecting drug users
 |  | Injected within the last 6 months ( n) | Percentage | Previously injected but not in the last 6 months ( n) | Percentage | Total ( n) | Percentage |
---|---|---|---|---|---|---|---|
All | Â | 127 | 64 | 73 | 36 | 200 | 100 |
Gender | Male | 97 | 76 | 51 | 71 | 148 | 74 |
 | Female | 31 | 24 | 21 | 29 | 52 | 26 |
 |  |  |  |  |  | 200 | Total |
Age group (years) | 20–24 | 7 | 5.5 | 4 | 5 | 11 | 5.5 |
 | 25–29 | 23 | 18 | 6 | 8 | 29 | 14.5 |
 | 30–34 | 39 | 31 | 11 | 15 | 50 | 25 |
 | 35–39 | 37 | 29 | 28 | 38 | 65 | 32.5 |
 | 40–44 | 21 | 16.5 | 24 | 33 | 45 | 22.5 |
 |  |  |  |  |  | 200 | Total |
Age when started injecting (years) | Under 16 | 21 | 16 | 14 | 19 | 35 | 17.5 |
 | 16–19 | 29 | 23 | 28 | 38 | 57 | 28.5 |
 | 20–24 | 38 | 30 | 17 | 23 | 55 | 27.5 |
 | 25–29 | 25 | 20 | 7 | 10 | 32 | 16 |
 | 30–34 | 10 | 8 | 7 | 10 | 17 | 8.5 |
 | 35–39 | 4 | 3 | 0 | 0 | 4 | 2 |
 |  |  |  |  |  | 200 | Total |
Length of injecting career (years) | Â | Â | Â | Â | Â | Â | Â |
 | Less than 1 | 7 | 5.5 | 12 | 16 | 19 | 9.5 |
 | 1–5 | 32 | 25 | 15 | 21 | 47 | 23.5 |
 | 6–10 | 35 | 27.5 | 14 | 19 | 49 | 24.5 |
 | 11–20 | 35 | 28 | 24 | 33 | 59 | 29.5 |
 | Over 20 | 18 | 14 | 8 | 11 | 26 | 13 |
 |  |  |  |  |  | 200 | Total |
Individuals reporting a skin problem | Â | 80 | 63 | 40 | 55 | 120 | 60 |
Type of skin problem | Leg ulcer | 17 | 13 | 13 | 18 | 30 | 15 |
 | Lumps | 40 | 31 | 18 | 25 | 58 | 29 |
 | Track marks | 40 | 31 | 16 | 22 | 56 | 28 |
 | Abscesses | 58 | 46 | 32 | 44 | 90 | 45 |
 | Acid burns | 21 | 17 | 8 | 11 | 29 | 15 |
 | Broken skin | 15 | 12 | 10 | 14 | 25 | 13 |
 | Chronic wound | 17 | 13 | 11 | 15 | 28 | 14 |
 | Rashes | 2 | 2 | 1 | 1 | 3 | 2 |
 | Other skin problems | 6 | 5 | 5 | 7 | 11 | 6 |