Table 4.

Univariable association with the outcome trachomatous inflammation – follicular (TF) in children aged 1–9 years, Global Trachoma Mapping Project, Sudan, 2014–2015.

Variable		Examined, n	TF, %	OR (95% CI)a
Age, years	<5	15,718	5.6	1.9 (1.7–2.2)
	5–9	16,815	3.1	1 (reference)
Sex	Male	16,093	4.5	1 (reference)
	Female	16,440	4.1	0.9 (0.8–1.0)
Number in household	<8	28,030	4.4	1 (reference)
	≥8	4503	3.7	0.9 (0.6–1.1)
Number aged 1–9 years in household	<5	29,275	4.3	1 (reference)
	≥5	3258	4.9	1.2 (1.0–1.5)
Use of unimproved sanitation	Yes	26,931	4.7	1.5 (1.2–2.0)
	No	5602	2.5	1 (reference)
Open defecation	Yes	12,698	4.6	1.3 (1.0–1.6)
	No	19,835	4.1	1 (reference)
Surface water (river, lake, etc) source of drinking water	No	31,387	4.4	1 (reference)
	Yes	1146	2.6	0.7 (0.3–1.7)
Time to nearest source of drinking water, minutes	<30	21,414	4.0	1 (reference)
	≥30	11,119	5.0	0.8 (0.6–1.1)
Surface water (river, lake, etc.) source of water for washing	Yes	1122	2.9	1.0 (0.4–2.3)
	No	31,411	4.4	1 (reference)
Time to nearest source of water for washing, minutes	All washing done at source	179	0.6	0.3 (0.0–2.3)
	≤30	22,040	3.9	1 (reference)
	>30	10,314	5.3	0.9 (0.6–1.2)
Maximum temperature annually, °C	≥40	6955	1.9	0.4 (0.2–0.5)
	<40	25,578	5.0	1 (reference)
Annual rainfall, mm	<500	19,816	4.6	1.2 (0.8–1.8)
	≥500	12,717	3.9	1 (reference)
Household located in an internally displaced persons camp	Yes	1823	7.6	2.8 (1.3–5.6)
	No	30,710	4.1	1 (reference)

^aBolding denotes significant values.

OR, odds ratio.; CI, confidence interval.