Table 1.

Summary of characteristics of the Nigerian Demographic and Health Survey, 2013.

				Non-vaccinated
Variable	Unweighted sample size	Weighted Percentage(95% CI)		No	Yes	p-value
Polio vaccination
Non-vaccinated	1,173	21.3 (19.5 to 23.2)
Under vaccinated	2,785	48.6 (46.7 to 50.6)
Fully vaccinated	1,796	30.1 (28.3 to 32.0)
Individual-level
Sex						0.327
Female	2,744	48.0 (46.5 to 49.5)		78.1	21.9
Male	3.010	52.0 (50.5 to 53.5)		79.3	20.7
Age (in years)						0.0002
15–24	1,613	28.8 (27.4 to 30.3)		74.4	25.6
25–34	2,842	48.9 (47.3 to 50.5)		81.1	18.9
35–49	1,299	22.3 (20.9 to 23.7)		79.1	21.9
Wealth index						0.0001
Poorer	1,866	33.6 (30.9 to 36.3)		66.8	33.2
Middle	1,885	31.3 (29.0 to 33.4)		77.7	22.3
Richer	2,003	35.1 (32.8 to 37.5)		91.1	08.9
Education						0.0001
No education	2,607	47.6 (45.0 to 50.2)		67.6	32.4
Primary	1,116	18.0 (16.7 to 19.4)		82.7	17.3
Secondary+	2,301	34.4 (32.3 to 36.7)		92.0	08.0
Employment status						0.0001
Current working	3,816	71.1 (69.2 to 72.8)		82.6	17.4
Not working	1,938	28.9 (27.2 to 30.7)		69.3	30.7
No media access						0.0001
No	4,106	67.2 (65.2 to 69.2)		84.4	15.6
Yes	1,648	32.8 (30.8 to 34.8)		67.2	32.8
Neighborhood-level
Place of residence						0.0001
Urban	1,922	35.9 (33.5 to 38.2)		85.9	14.1
Rural	3,832	64.1 (61.7 to 66.5)		74.7	25.3
Geopolitical region						0.0001
North Central	862	13.9 (12.4 to 15.6)		82.2	17.8
North East	1,169	17.3 (15.7 to 19.1)		53.7	46.3
North West	1,753	35.5 (33.2 to 37.8)		79.1	20.9
South East	550	09.3 (07.9 to 10.9)		92.2	07.8
South South	722	10.0 (08.9 to 11.3)		89.7	10.3
South West	698	13.9 (12.3 to 15.6)		88.8	11.2
Poverty rate						0.0001
Low	2,965	50.6 (47.2 to 54.0)		87.4	12.6
High	2,798	49.4 (46.0 to 52.7)		69.8	30.2
Unemployment rate						0.0001
Low	2,946	51.0 (47.0 to 55.0)		85.6	14.4
High	2,808	49.0 (45.0 to 53.0)		71.6	28.4
Illiteracy rate						0.0001
Low	2,951	51.2 (48.1 to 54.3)		88.7	11.3
High	2,803	48.8 (45.7 to 51.8)		78.7	21.3