Table 2.

Baseline characteristic of the study population.

Characteristic	Number of children screened	Percentage seroprevalence for PV3 (95% CI)
Total	8454	88.1	(87.4–88.8)
Age, months
5	862	81.8	(79.0–84.3)
6	1633	81.9	(79.9–83.7)
7	1453	84.5	(82.5–86.3)
8	1312	89.0	(87.2–90.7)
9	1222	92.1	(90.4–93.5)
10	1261	95.7	(94.5–96.8)
11	711	95.9	(94.2–97.3)
Sex
Male	4366	89.2	(88.3–90.1)
Female	4088	87.0	(85.9–88.0)
Area
Urban	2127	89.3	(87.9–90.6)
Rural	6327	87.8	(86.9–88.6)

CI-confidence interval.