Table 5.

Univariable association with the outcome trachomatous trichiasis (TT) in those aged ≥15 years, Global Trachoma Mapping Project, Sudan, 2014–2015.

Variable			Examined, n	TT, %	OR (95% CI)a
Age, years	15–24		9983	0.1	1 (reference)
	25–34		8308	0.2	1.7 (0.7–4.0)
	35–44		5954	0.4	4.6 (2.1–9.8)
	45–54		3587	0.6	7.3 (3.4–15.9)
	55–64		2366	2.8	33.8 (15.7–63.9)
	65+		3118	6.3	83.2 (37.7–144.2)
Sex	Male		10,141	0.6	1 (reference)
	Female		23,175	1.2	2.0 (1.5–2.7)
Number in household	<8		29,755	1.1	1 (reference)
	≥8		3561	0.5	0.5 (0.3–0.8)
Number aged 1–9 years in household	<5		32,126	1.0	1 (reference)
	≥5		1190	0.3	0.3 (0.1–0.9)
Use of unimproved sanitation	Yes		6522	1.1	2.0 (1.3–2.0)
	No		26,794	0.6	1 (reference)
Open defecation	Yes		11,916	1.4	1.8 (1.4–2.4)
	No		21,400	0.8	1 (reference)
Surface water (river, lake, etc) source of drinking water	Yes		1109	2.0	2.1 (1.0–4.0)
	No		32,207	1.0	1 (reference)
Time to nearest source of drinking water	<30 minutes		22,678	1.0	1 (reference)
	≥30 minutes		10638	1.0	1.0 (0.7–1.3)
Surface water (river, lake, etc) source of water for washing	Yes		1078	2.0	2.1 (1.0–4.6)
	No		32,238	1.0	1 (reference)
Time to nearest source of water for washing	All washing at source		198	0.0
	≤30 minutes		23,223	1.0	1 (reference)
	>30 minutes		9895	1.0	1.0 (0.7–1.4)
Maximum annual temperature, °C	≥40		8968	0.1	0.1 (0.0–0.2)
	<40		24,348	1.3	1 (reference)
Annual rainfall, mm	<500		21,638	0.5	0.3 (0.2–0.4)
	≥500		11,678	1.8	1 (reference)
Household located in an internally displaced persons camp	Yes		1692	1.0	1.0 (0.4–2.1)
	No		31,624	1.0	1 (reference)

^aBolding denotes significant values.

OR, odds ratio; CI, confidence interval.