Adjusted* chlamydia prevalence (%) according to age group, sex, and urbanisation (area address density)
| Prevalence (95% CI) | n/N | N | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AAD 1, very high urban | AAD 2, high urban | AAD 3, moderate urban | AAD 4, low urban | AAD 5, rural | Total | UW | WT | ||
| *Adjusted prevalence: inverse probability weighted for age/sex/AAD (see Methods). | |||||||||
| Area address density: AAD 1, very high urban (>2500 addresses/km2); AAD 2, high urban (1500–2500 addresses/km2); AAD 3, moderate urban (1000–1500 addresses/km2); AAD 4, low urban (500–1000 addresses/km2); and AAD 5, rural (<500 addresses/km2). | |||||||||
| n/N, number positives among total participants; UW, unweighted; WT, weighted. | |||||||||
| 15–19 | M | 2.9 (0.6–5.1) | 0.6 (0.0–1.3) | 1.0 (0.0–2.2) | 0.7 (0.0–1.6) | 0.0 (0.0–1.9) | 1.0 (0.4–1.5) | 9/ 916 | 1350 |
| F | 4.3 (1.5–7.0) | 2.6 (0.9–4.3) | 1.9 (0.2–3.5) | 3.5 (1.4–5.7) | 0.0 (0.0–2.0) | 2.6 (1.7–3.4) | 42/1657 | 1284 | |
| 20–24 | M | 1.4 (0.0–2.7) | 0.5 (0.0–1.2) | 1.1 (0.0–2.4) | 3.0 (1.0–5.1) | 0.6 (0.0–1.8) | 1.3 (0.7–1.9) | 14/1023 | 1370 |
| F | 3.4 (1.4–5.4) | 1.8 (0.5–3.1) | 0.8 (0.0–1.9) | 2.1 (0.3–4.0) | 0.7 (0.0–2.1) | 1.9 (1.2–2.7) | 32/1869 | 1342 | |
| 25–29 | M | 4.1 (2.1–6.2) | 0.9 (0.0–1.9) | 3.2 (1.1–5.3) | 0.7 (0.0–1.8) | 1.2 (0.0–2.8) | 2.1 (1.4–2.8) | 20/979 | 1509 |
| F | 3.3 (1.4–5.1) | 3.6 (1.8–5.3) | 2.9 (0.9–4.8) | 2.3 (0.5–4.1) | 1.3 (0.0–3.0) | 2.9 (2.0–3.7) | 48/1895 | 1485 | |
| Total | M | 2.9 (1.8–4.0) | 0.7 (0.2–1.2) | 1.8 (0.9–2.7) | 1.4 (0.6–2.2) | 0.6 (0.0–1.2) | 1.5 (1.1–1.8) | 43/2918 | 4228 |
| Total | F | 3.5 (2.3–4.8) | 2.7 (1.8–3.6) | 1.9 (0.9–2.8) | 2.7 (1.6–3.8) | 0.6 (0.0–1.3) | 2.5 (2.0–3.0) | 122/5421 | 4111 |
| Total | T | 3.2 (2.4–4.0) | 1.7 (1.2–2.2) | 1.8 (1.2–2.5) | 2.0 (1.3–2.7) | 0.6 (0.1–1.1) | 2.0 (1.7–2.3) | 165/8339 | 8339 |
| n/N | UW | 60/1769 | 31/1547 | 29/1565 | 33/1505 | 12/1953 | |||
| N | WT | 1767 | 2325 | 1626 | 1621 | 1000 | |||