Table 4.
Prevalence of trachomatous inflammation—follicular (TF) and trachomatous trichiasis (TT), impact surveys, four sub-districts of Arewa local government area, Kebbi State, Nigeria, 2014.
| 1-9-year-olds |
≥15-year-olds |
||||||||||
| Sub- district |
Number of households sampled |
Residents enumerated |
Residents examined |
Absent |
Refused |
TF prevalencea (95% CI) |
Residents enumerated |
Residents examined |
Absent |
Refused |
TT prevalenceb (95% CI) |
| 1 | 595 | 1406 | 1271 | 48 | 87 | 5.1 (2.6–8.2) | 1645 | 1438 | 183 | 22 | 1.1 (0.6–1.6) |
| 2 | 599 | 1266 | 1202 | 27 | 37 | 4.1 (2.2–5.9) | 1564 | 1326 | 191 | 46 | 1.0 (0.5–1.5) |
| 3 | 648 | 1450 | 1365 | 68 | 16 | 2.2 (1.2–3.4) | 1686 | 1408 | 262 | 16 | 0.6 (0.1–1.4) |
| 4 | 646 | 1520 | 1445 | 47 | 28 | 5.7 (3.6–8.4) | 1838 | 1500 | 259 | 79 | 0.5 (0.1–1.1) |
a
Adjusted for age in 1-year age bands.
b
Adjusted for gender and age in 5-year age bands.
CI = confidence interval.