Results from the random effects model and the meta-analysis, for females only, by age group and setting (%, 95% CI), and the crude overall mean and references from data included in each setting
| Setting | Logistic regression model | Meta-analysis | Crude overall mean | No ind in model | References | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Age group | Age group | ||||||||||
| <20 years | 20–24 years | 25–29 years | 30+ years | <20 years | 20–24 years | 25–29 years | 30+ years | ||||
| Population based | 4.8 (3.2 to 7.6) | 3.2 (2.1 to 4.9) | 1.5 (1.0 to 2.5) | 0.8 (0.5 to 1.3) | 3.8 (1.0 to 8.3) | 2.7 (1.1 to 5.0) | 2.2 (0.9 to 4.1) | 0.9 (0.4 to 1.5) | 1.6 (1.0 to 2.3) | 1725 | 4 |
| GP surgery | 8.1 (6.5 to 9.9) | 5.2 (4.3 to 6.3) | 2.6 (2.0 to 3.3) | 1.4 (1.0 to 1.9) | 8.6 (6.6 to 10.9) | 5.9 (4.7 to 7.2) | 2.9 (1.2 to 5.2) | 1.1 (0.2 to 2.7) | 7.1 (6.7 to 7.6) | 13 207 | 5, 13, 40, 50, 62–64 |
| FPC | 10.0 (8.7 to 11.5) | 6.5 (5.5 to 7.8) | 3.2 (2.5 to 4.2) | 1.8 (1.3 to 2.4) | 10.0 (9.1 to 10.9) | 7.4 (5.7 to 9.4) | 3.8 (2.2 to 6.0) | 1.5 (0.5 to 2.8) | 8.1 (7.6 to 8.7) | 9512 | 5, 32, 51, 65–68 |
| Youth clinic | 10.7 (8.3 to 13.8) | 7.0 (5.1 to 9.6) | - | - | 12.3 (10.0 to 14.9) | 10.1 (7.0 to 13.6) | - | - | 12.2 (10.8 to 13.7) | 1996 | 5, 41 |
| Antenatal clinic | 12.6 (6.4 to 23.2) | 8.3 (4.2 to 15.7) | 4.1 (2.0 to 8.2) | 2.2 (1.1 to 4.6) | 13.5 (9.5 to 19.1) | 6.5 (3.5 to 10.4) | 7.2 (2.4 to 14.2) | 0.0 (1.2 to 1.2) | 8.5 (6.6 to 10.6) | 803 | 5, 67 |
| TOP clinic | 12.3 (9.8 to 15.3) | 8.1 (6.4 to 10.1) | 4.0 (3.0 to 5.4) | 2.2 (1.6 to 3.1) | 13.6 (10.6 to 16.8) | 9.7 (6.5 to 13.3) | 2.0 (0.3 to 5.1) | 1.2 (0.2 to 2.9) | 8.5 (7.4 to 9.8) | 2114 | 5, 30, 67, 69, 70 |
| GUM clinic | 17.3 (13.6 to 21.8) | 11.6 (8.9 to 14.9) | 5.9 (4.3 to 8.1) | 3.2 (2.2 to 4.7) | 17.3 (13.6 to 21.3) | 12.4 (10.3 to 14.7) | 4.9 (2.6 to 8.0) | 5.1 (2.7 to 8.3) | 12.7 (11.5 to 14.0) | 2831 | 5, 71, 72 |