Male prevalence estimates. Extracted data and prevalence estimates (95% CI), by setting and age group
| Setting | Author/ref | Age group | Prevalence % (95% CI) |
|---|---|---|---|
| Population based | Fenton et al4 | 18–19 | 2.0 (0.2 to 6.9) |
| 20–24 | 2.8 (1.2 to 5.4) | ||
| 25–29 | 4.8 (2.7 to 7.6) | ||
| 30–44 | 1.1 (0.6 to 1.9) | ||
| Macleod et al14 | 18–45 | 1.9 (0.0 to 10.3) | |
| Pierpoint et al13 | 18–24 | 1.5 (0.2 to 5.4) | |
| 25–29 | 0.0 (0.0 to 3.4) | ||
| 30–35 | 3.9 (1.6 to 7.9) | ||
| Rogstad et al16 | 19–21 | 1.2 (0.5 to 2.2) | |
| Stephenson et al15 | 18–35 | 2.5 (0.3 to 8.7) | |
| GP surgery/ | Ainsworth et al54 | <40 | 14.8 (4.2–33.7) |
| community clinic | Berry et al26 | 18–34 | 2.6 (0.3 to 9.1) |
| Kudesia et al55 | <30 | 15.2 (8.7 to 23.8) | |
| 30–40 | 3.4 (0.4 to 11.7) | ||
| >40 | 0.7 (0.0 to 4.1) | ||
| FPC | Harvey et al32 | <20 | 5.7 (1.2 to 15.7) |
| GUM clinic | Butt et al33 | Unknown | 15.5 (10.1 to 22.4) |
| Caul et al56 | Unknown | 33.3 (25.1 to 42.4) | |
| Crowley et al44 | Unknown | 24.6 (20.5 to 29.1) | |
| Dixon et al36 | Unknown | 14.6 (13.2 to 16.0) | |
| Evans et al57 | >13 | 18.3 (13.0 to 24.8) | |
| Harry et al25 | 17–46 | 6.8 (5.5 to 8.3) | |
| Higgins et al58 | Unknown | 14.9 (11.5 to 18.8) | |
| Hunter et al52 | Unknown | 16.0 (12.9 to 19.6) | |
| Matthews and Wise59 | Unknown | 16.1 (12.7 to 20.0) | |
| Mohanty22 | Unknown | 3.5 (1.5 to 6.8) | |
| Unknown | 5.3 (2.9 to 8.8) | ||
| Paul et al48 | Unknown | 16.7 (13.9 to 19.9) | |
| Young et al60 | Unknown | 12.6 (8.4 to 17.7) | |
| Zelin et al43 | 17–77 | 9.6 (6.7 to 13.1) | |
| Other | Madge et al61 | Unknown | 0.5 (0.0 to 2.5) |
| McKay et al17 | 16–19 | 9.3 (6.9 to 12.1) | |
| 20–24 | 11.0 (7.4 to 15.6) | ||
| >25 | 8.7 (1.1 to 28.0) | ||
| Pierpoint et al13 | 18–24 | 0.0 (0.0 to 2.1) | |
| 25–29 | 2.2 (0.6 to 5.6) | ||
| 30–35 | 2.6 (1.0 to 5.6) | ||
| Scoular et al19 | 15–44 | 9.7 (8.7 to 10.7) |