Prevalence of Trachoma in Four Local Government Areas of Jigawa State, Nigeria

Figures & data

Table 1. Number of 1–9-year olds and number of ≥15-year-olds resident, examined, absent and refused; prevalence of trachomatous inflammation – follicular (TF); and prevalence of trichiasis; by Local Government Area (LGA), Global Trachoma Mapping Project Jigawa State, Nigeria, June and July, 2013.

LGA	Number of villages sampled	1–9-year olds					≥15-year-olds
		Resident	Examined	Absent	Refused	TF prevalence^a (95% CI)	Resident	Examined	Absent	Refused	Trichiasis prevalence^b (95% CI)
Birnin Kudu	25	942	913	11	18	5.09 (2.5–9.0)	1576	1458	99	19	1.9 (1.4–2.5)
Buji	25	953	928	18	7	8.1 (4.8–11.5)	1469	1344	72	53	2.1 (1.5–2.8)
Dutse	25	892	867	8	17	8.1 (4.5–13.1)	1534	1314	118	102	3.1 (2.2–4.0)
Kiyawa	25	942	903	13	26	12.8 (7.6–19.4)	1593	1319	141	133	2.8 (2.1–3.4)
Totals	100	3727	3611	50	68	N/A	6172	5435	430	307	N/A

^aAdjusted for age in 1–year age bands (see text).

^bAdjusted for gender and age in 5–year age bands (see text).

CI: confidence interval; N/A: not applicable.

Figure 1. Local Government Areas (LGAs) surveyed, and prevalence of trachomatous inflammation—follicular (TF) in 1–9-year-olds, by LGA, Jigawa State, Nigeria, June and July, 2013. GTMP: Global Trachoma Mapping Project.

Table 2. Household-level access to water and sanitation, by Local Government Area (LGA), Global Trachoma Mapping Project, Jigawa State, Nigeria, June and July, 2013.

LGA	House-holds, n	Improved washing water, n (%)	Washing water source (improved or unimproved) <1 km, n (%)	Improved sanitation facilities, n (%)
Birnin Kudu	598	525 (87.8)	517 (86.5)	273 (45.7)
Buji	623	546 (87.6)	535 (85.9)	144 (23.1)
Dutse	619	548 (88.5)	566 (91.4)	165 (26.7)
Kiyawa	618	602 (97.4)	572 (92.6)	310 (50.2)

Table 3. Local Government Area (LGA)-level estimates of the trichiasis backlog, Jigawa State, Nigeria. Global Trachoma Mapping Project, June and July 2013.

Local Government Area	Number of ≥15-year-olds examined	Number of ≥15-year-olds with trichiasis	Prevalence of trichiasis in ≥15-year-olds, % (95% CI)^a	Estimated total population aged ≥15 years	Estimated trichiasis backlog	Number of persons that need trichiasis management to achieve elimination threshold
Birnin Kudu	1458	67	1.9 (1.4–2.5)	175,900	3360	3046
Buji	1344	56	2.1 (1.5–2.8)	54.479	1128	1.030
Dutse	1314	76	3.1 (2.2–4.0)	140,635	4318	4.066
Kiyawa	1319	65	2.8 (2.1–3.4)	96,853	2673	2500
Total	5435	264	N/A	413,442	11,479	10,643

Figure 2. Prevalence of trichiasis in ≥15-year-olds, by LGA, Jigawa State, Nigeria, June and July, 2013. GTMP: Global Trachoma Mapping Project.