Table 2.

Seroprevalence by demographic characteristics

	Participants tested, n	Seropositive participants, n	Unweighted seroprevalence, % (95% CI)	Weighted seroprevalence, % (95% CI)*
Overall	1893	53	2.8 (2.1 to 3.5)	2.6 (1.9 to 3.4)
Age, years
<10	340	5	1.5 (0.5 to 3.4)	1.7 (0.2 to 3.2)
10–19	384	9	2.3 (1.1 to 4.4)	2.6 (0.8 to 4.2)
20–39	451	6	1.3 (0.5 to 2.9)	1.2 (0.2 to 2.3)
40–59	359	19	5.3 (3.2 to 8.1)	4.4 (2.4 to 6.4)
>60	359	14	3.9 (2.1 to 6.5)	3.6 (1.6 to 5.6)
Rao-Scott Χ2 p value			0.0032	0.0548
Gender
Female	964	33	3.4 (2.4 to 4.8)	3.3 (2.2 to 4.5)
Male	929	20	2.2 (1.3 to 3.3)	1.9 (1.0 to 2.8)
Rao-Scott Χ2 p value			0.0939	0.0563
Area of residence
Rural	1174	24	2.0 (1.3 to 3.0)	1.8 (1.0 to 2.5)
Urban	719	29	4.0 (2.7 to 5.7)	4.2 (2.6 to 5.7)
Rao-Scott Χ2 p value			0.0109	0.0023

*Post-stratified by district.