Trachoma Mapping in Gombe State, Nigeria: Results of 11 Local Government Area Surveys

Figures & data

Table 1. Age and sex distribution of participants, Global Trachoma Mapping Project, Gombe State, 2013.

	Female		Male		Total
Age group (years)	n	%	n	%	n	%
1–9	7488	48.7	7886	51.3	15,374	39.0
10–19	3386	52.1	3112	47.1	6498	16.5
20–29	3725	70.0	1596	30.0	5321	13.5
30–39	2760	66.8	1374	33.2	4134	10.5
40–49	1734	58.6	1227	41.4	2961	7.5
50–59	1247	57.6	919	42.4	2166	5.5
60–69	792	51.8	737	48.2	1529	3.9
70–79	436	44.4	547	55.6	983	2.5
80+	195	47.4	216	52.6	411	1.1
Total	21,763	55.3	17,614	44.7	39,377	100

Table 2. Local Government Area-level prevalences of trachomatous inflammation–follicular (TF) and trichiasis, Global Trachoma Mapping Project, Gombe State, 2013.

Local Government Area	Age-adjusted TF prevalence in 1–9-year-olds, % (95% confidence interval)		Age- and sex-adjusted trichiasis prevalence in those aged ≥15 years, % (95% confidence interval)
Akko	0.1	(0.0–0.2)	1.0	(0.6–1.4)
Balanga	0.3	(0.0–0.7)	0.5	(0.2–0.8)
Billiri	0.3	(0.0–0.5)	0.7	(0.4–1.0)
Dukku	0.0	(0.0–0.0)	2.4	(1.5–3.5)
Funakaye	1.1	(0.4–1.8)	2.5	(1.6–3.6)
Gombe	0.2	(0.0–0.5)	0.8	(0.5–1.1)
Kaltungo	0.8	(0.2–1.6)	0.6	(0.3–1.0)
Kwami	0.2	(0.0–0.3)	2.2	(1.2–3.5)
Nafada	1.7	(0.8–2.8)	3.9	(2.9–5.2)
Shongom	1.1	(0.5–1.6)	0.6	(0.3–0.9)
Yamaltu/Deba	0.1	(0.0–0.3)	1.8	(1.2–2.5)

Figure 1. Prevalence of trachomatous inflammation–follicular (TF) in 1–9-year-old children, by Local Government Area, Global Trachoma Mapping Project, Gombe State, 2013.

Figure 2. Prevalence of trichiasis in adults ≥15 years, by Local Government Area, Global Trachoma Mapping Project, Gombe State, 2013.

Table 3. Local Government Area-level estimates of trichiasis surgery backlog, Global Trachoma Mapping Project, Gombe State, 2013.

Local Government Area	Estimated totalpopulation, n	Trichiasis prevalence inpersons aged ≥15 years, %	Estimated trichiasis backlog, n	People to be offered trichiasis surgery to achieve the trichiasis component of “elimination of trachoma as a public health problem”^a, n
Akko	337,435	1.0	1890	1552
Balanga	211,490	0.5	592	381
Billiri	202,680	0.7	795	592
Dukku	207,658	2.4	2791	2583
Funakaye	237,687	2.5	3328	3090
Gombe	266,844	0.8	1195	929
Kaltungo	160,392	0.6	539	379
Kwami	193,995	2.2	2390	2196
Nafada	140,185	3.9	3062	2921
Shongom	150,948	0.6	507	356
Yamaltu/Deba	255,726	1.8	2578	2322
Total	2,365,040		19,667	17,301

^aA prevalence of trachomatous trichiasis unknown to the health system of <0.2% in adults aged ≥15 years.

Table 4. Household access to wash water and improved latrines by Local Government Area, Global Trachoma Mapping Project, Gombe State, 2013.

Local Government Area	Wash water access <1 km, %	Improved wash water access <1 km, %	Improved latrine access, %
Akko	69.6	28.2	32.6
Balanga	93.3	36.3	7.7
Billiri	53.0	36.9	24.7
Dukku	84.2	16.9	79.7
Funakaye	77.4	50.6	18.7
Gombe	79.9	72.6	91.1
Kaltungo	72.5	60.0	27.8
Kwami	49.0	14.1	29.1
Nafada	60.1	39.4	11.8
Shongom	70.2	50.9	10.6
Yamaltu/Deba	82.4	50.2	44.0