Prevalence of Trachoma in Katsina State, Nigeria: Results of 34 District-Level Surveys

Figures & data

Table 1. Age and sex distribution of participants, Global Trachoma Mapping Project, Katsina State, Nigeria, 2014.

Age group (years)	Female, n (%)	Male, n (%)	Total, n (%)
1–10	31,835 (49.3)	32,685 (50.7)	64,520 (49.9)
11–20	9,961 (59.1)	6900 (40.9)	16,861 (13.0)
21–30	10,852 (76.9)	3261 (23.1)	14,113 (10.9)
31–40	7766 (64.6)	4256 (35.4)	12,022 (9.3)
41–50	4631 (50.0)	4638 (50.0)	9269 (7.2)
51–60	2598 (41.2)	3710 (58.8)	6308 (4.9)
61–70	1496 (37.8)	2465 (62.2)	3961 (3.1)
71–80	637 (37.3)	1071 (62.7)	1708 (1.3)
81+	185 (35.6)	334 (64.4)	519 (0.4)
Total	69,961 (54.1)	59,320 (45.9)	129,281 (100.0)

Table 2. Local government area (LGA)-level prevalence of trachomatous inflammation–follicular (TF) and trichiasis, Global Trachoma Mapping Project, Katsina State, Nigeria, 2014.

LGA	Age-adjusted TF prevalence in 1–9-year-olds, % (95% CI)	Age- and sex-adjusted trichiasis prevalence in those ≥15 years, % (95% CI)
Bakori	29.5 (25.5–34.6)	0.0 (0.0–0.0)
Batagarawa	4.7 (3.5–6.2)	1.7 (1.1–2.4)
Batsari	13.5 (7.6–18.9)	1.7 (1.1–2.2)
Baure	0.0 (0.0–0.0)	3.6 (2.6–4.6)
Bindawa	4.4 (3.5–5.6)	0.3 (0.1–0.5)
Charanchi	0.1 (0.0–0.4)	0.2 (0.1–0.3)
Dan Musa	3.2 (2.5–3.9)	0.4 (0.1–0.7)
Dandume	1.6 (0.6–3.3)	0.3 (0.1–0.6)
Danja	3.1 (1.9–4.2)	0.3 (0.1–0.6)
Daura	2.4 (1.5–3.4)	2.7 (1.5–4.4)
Dutsi	11.3 (8.7–13.6)	1.9 (1.0–2.9)
Dutsin Ma	1.5 (0.6–2.7)	0.7 (0.4–1.0)
Faskari	1.1 (0.5–1.8)	0.0 (0.0–0.0)
Funtua	10.7 (7.0–15.5)	0.2 (0.1–0.4)
Ingawa	12.2 (8.2–17.2)	1.4 (0.9–1.9)
Jibia	5.1 (4.0–6.5)	0.6 (0.4–0.9)
Kafur	7.0 (5.4–8.6)	0.2 (0.1–0.4)
Kaita	9.8 (6.4–13.6)	1.1 (0.5–1.8)
Kankara	6.3 (4.4–8.0)	0.7 (0.3–1.2)
Kankia	4.2 (2.7–6.2)	0.7 (0.2–1.2)
Katsina	4.4 (3.3–5.7)	0.3 (0.1–0.5)
Kurfi	3.3 (1.8–4.8)	0.4 (0.2–0.5)
Kusada	0.9 (0.6–1.3)	1.0 (0.5–1.7)
Mai’Adua	4.5 (3.0–6.5)	3.0 (1.8–4.6)
Malumfashi	0.5 (0.1–0.9)	0.3 (0.0–0.9)
Mani	8.1 (6.5–9.9)	0.3 (0.1–0.6)
Mashi	15.4 (10.9–21.5)	1.2 (0.7–1.8)
Matazu	0.1 (0.0–0.2)	0.6 (0.2–1.1)
Musawa	1.5 (0.1–4.1)	0.3 (0.2–0.4)
Rimi	0.2 (0.0–0.4)	0.2 (0.1–0.3)
Sabuwa	9.6 (6.8–12.4)	0.5 (0.3–0.9)
Safana	1.4 (0.9–2.0)	1.7 (1.1–2.2)
Sandamu	2.4 (0.9–4.2)	1.6 (0.8–2.3)
Zango	0.4 (0.1–0.6)	2.6 (1.7–3.8)

CI, confidence interval.

Figure 1. Prevalence of active trachoma (trachomatous inflammation–follicular, TF) in 1–9-years-olds in Katsina State, Nigeria, 2014.

Figure 2. Prevalence of trichiasis in ≥15-year-olds in Katsina State, Nigeria, 2014.

Table 3. Local government area (LGA)-level estimates of trichiasis surgery backlog, Global Trachoma Mapping Project, Katsina State, Nigeria, 2014.

LGA	Estimated total population	Trichiasis prevalence in persons 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”, n
Bakori	149,516	0.0	0	0
Batagarawa	189,059	1.7	1849	1637
Batsari	207,874	1.7	2003	1770
Baure	202,941	3.6	4038	3811
Bindawa	151,002	0.3	245	76
Charanchi	136,989	0.2	122	0
Dan Musa	113,190	0.4	229	102
Dandume	145,323	0.3	226	63
Danja	125,481	0.3	195	54
Daura	224,884	2.7	3448	3196
Dutsi	120,902	1.9	1266	1131
Dutsin Ma	169,829	0.7	671	481
Faskari	194,400	0.0	9	0
Funtua	225,156	0.2	250	0
Ingawa	169,148	1.4	1297	1107
Jibia	167,435	0.6	572	384
Kafur	209,360	0.2	264	30
Kaita	182,405	1.1	1073	868
Kankara	243,259	0.7	905	632
Kankia	151,395	0.7	609	440
Katsina	318,132	0.3	604	247
Kurfi	116,700	0.4	241	110
Kusada	98,348	1.0	546	435
Mai’Adua	201,800	3.0	3373	3147
Malumfashi	182,891	0.3	354	149
Mani	176,301	0.3	301	104
Mashi	171,070	1.2	1156	965
Matazu	113,814	0.6	371	243
Musawa	170,006	0.3	294	103
Rimi	154,092	0.2	161	0
Sabuwa	140,679	0.5	428	271
Safana	185,207	1.7	1756	1549
Sandamu	136,944	1.6	1189	1036
Zango	156,052	2.6	2291	2117
Total	5,801,584		32,335	26,258

Table 4. Household access to wash water and improved latrines, Global Trachoma Mapping Project, Katsina State, Nigeria, 2014.

LGA	Wash water access <1 km, %	Improved wash water access <1 km, %	Improved latrine access, %
Bakori	69.2	43.0	34.3
Batagarawa	93.1	33.9	41.0
Batsari	51.6	31.9	18.0
Baure	39.0	48.1	30.1
Bindawa	71.0	46.5	10.4
Charanchi	65.7	45.7	9.8
Dan Musa	98.1	11.2	9.8
Dandume	99.5	33.9	64.6
Danja	73.7	50.7	55.5
Daura	71.5	10.8	71.9
Dutsi	52.4	10.4	57.1
Dutsin Ma	76.4	53.8	29.4
Faskari	65.3	26.9	30.1
Funtua	100.0	96.4	44.5
Ingawa	49.9	33.0	29.1
Jibia	80.2	30.1	27.7
Kafur	86.9	29.6	100.0
Kaita	49.2	61.2	9.7
Kankara	82.7	35.6	95.0
Kankia	49.1	48.1	16.7
Katsina	95.3	18.1	88.7
Kurfi	52.4	46.9	16.1
Kusada	66.7	71.5	21.3
Mai’Adua	24.0	28.6	34.4
Malumfashi	93.9	57.0	47.8
Mani	43.3	50.6	25.0
Mashi	83.8	17.4	15.0
Matazu	62.6	62.8	25.6
Musawa	65.3	60.2	28.0
Rimi	67.8	57.1	42.4
Sabuwa	95.8	95.8	1.4
Safana	65.9	38.3	11.3
Sandamu	66.0	10.2	65.0
Zango	49.8	49.8	81.6

Table 5. SAFE strategy (surgery, antibiotics, facial cleanliness, environmental improvement) activities required to be implemented to eliminate trachoma in each local government area (LGA) of Katsina State, Nigeria, 2014.

LGA	Action for surgery (S) required	Action for A, F, and E required
Bakori	Facility-based TT S	Implementation of AFE for at least 3 years before impact assessment
Batagarawa	High priority for implementation of community-based S	Continued F and E activities
Batsari	High priority for implementation of community-based S	Implementation of AFE for at least 3 years before impact assessment
Baure	High priority for implementation of community-based S	Continued F and E activities
Bindawa	Lower priority for implementation of community-based S	Continued F and E activities
Charanchi	Facility-based TT S	Continued F and E activities
Dan Musa	Lower priority for implementation of community-based S	Continued F and E activities
Dandume	Lower priority for implementation of community-based S	Continued F and E activities
Danja	Lower priority for implementation of community-based S	Continued F and E activities
Daura	High priority for implementation of community-based S	Continued F and E activities
Dutsi	High priority for implementation of community-based S	Implementation of AFE for at least 3 years before impact assessment
Dutsin Ma	Lower priority for implementation of S	Continued F and E activities
Faskari	Facility-based TT S	Continued F and E activities
Funtua	Facility-based TT S	Implementation of AFE for at least 3 years before impact assessment
Ingawa	High priority for implementation of community-based S	Implementation of AFE for at least 3 years before impact assessment
Jibia	Lower priority for implementation of S	Implementation of AFE for at least 1 year before impact assessment
Kafur	Facility-based TT S	Implementation of AFE for at least 1 year before impact assessment
Kaita	High priority for implementation of community-based S	Implementation of AFE for at least 1 year before impact assessment
Kankara	Lower priority for implementation of community-based S	Implementation of AFE for at least 1 year before impact assessment
Kankia	Lower priority for implementation of community-based S	Continued F and E activities
Katsina	Lower priority for implementation of community-based S	Continued F and E activities
Kurfi	Lower priority for implementation of community-based S	Continued F and E activities
Kusada	High priority for implementation of community-based S	Continued F and E activities
Mai’Adua	High priority for implementation of community-based S	Continued F and E activities
Malumfashi	Lower priority for implementation of community-based S	Continued F and E activities
Mani	Lower priority for implementation of community-based S	Implementation of AFE for at least 1 year before impact assessment
Mashi	High priority for implementation of community-based S	Implementation of AFE for at least 3 years before impact assessment
Matazu	Lower priority for implementation of community based S	Continued F and E activities
Musawa	Lower priority for implementation of community-based S	Continued F and E activities
Rimi	Facility-based TT S	Continued F and E activities.
Sabuwa	Lower priority for implementation of community-based S	Implementation of AFE for at least 1 year before impact assessment
Safana	High priority for implementation of community-based S	Continued F and E activities
Sandamu	High priority for implementation of community-based S	Continued F and E activities
Zango	High priority for implementation of community-based S	Continued F and E activities

TT, trachomatous trichiasis.