Table 4. Prevalence of MSI by age, gender, location and educational level of head of household.

Categories		Total no Screened	No of MSI cases	Prevalence of MSI (95% CI)	Age and gender adjusted Odds Ratios (95% CI)
	Total	8,548	810	9.5 (8.9–10.1)
Age groups, years	0–5	1,109	76	6.9 (5.4–8.3)	1.0 (0.8–1.3)
	6–16	2,539	160	6.3 (5.4–7.2)	0.9 (0.7–1.2)
	17–30	2,280	154	6.8 (5.2–7.8)	1
	31–60	2,041	254	12.4 (11.0–13.9)	2.0 (1.6–2.4)
	>60	545	161	29.5 (25.7–33.4)	5.8 (4.5–7.4)
	Unknown*	34	5	14.7 (2.8–26.6)	2.4 (0.9–6.2)
Gender	Male	4,219	393	9.3 (8.4–10.2)	1
	Female	4,329	417	9.6 (8.8–10.5)	1.0 (0.8–1.1)
Location	Rural	8,058	773	9.6 (8.9–10.2)	1
	Urban	415	33	8.0 (5.3–10.6)	0.9 (0.6–1.2)
	Mobile, urban/rural	75	4	5.3 (0.2–10.4)	0.5 (0.2–1.4)
Education level of head of household**	No formal education	2,074	276	13.3 (11.8–14.8)	1
	Primary school	5,025	449	8.9 (8.1–9.7)	0.7 (0.6–0.8)
	Secondary school	1,249	74	5.9 (4.6–7.2)	0.4 (0.3–0.6)
	University / college	98	7	7.1 (2.0–12.2)	0.5 (0.2–1.0)
	Unknown	102	4	3.9 (0.2–7.2)	0.3 (0.1–0.8)

* Participants with unknown age.

** The education number of the head of household accounted for each of the screened participants.