Table 1.

Demographic information of participants during 2015

Characteristics	NPEV Positive		NPEV Negative		χ2 test	p-value
	No.	%	No.	%
Sex
Males	44	23.78	141	76.22	0.09	0.763
Females	45	25.71	130	74.29
Age Group
< 1 year	13	21.67	47	78.33	3.71	0.156
1–3 years	54	28.88	133	71.12
4–5 years	22	19.47	91	80.53
Geographic Location
NCR	24	20.00	96	80.00	32.81	<0.001
Region VII	51	42.50	69	57.50
Region XI	14	11.67	106	88.33