Table 7. Potential risk factor associated with Blastocystis sp. infection (Univariate analysis, n = 1760).

Variables	N	No	%	OR (95%CI)	p value
Gender
Male	937	112	12.00%	1.374(.008–1.873)	0.052
Female	823	74	9.00%	1
Age group
Age (7–9)	604	62	10.30%	0.952(0.690-.1.314)	0.807
Age (10–12)	1156	124	10.70%	1
Household Income
<2000	585	119	20.30%	4.223(3.072–5.806)	<0.001**
>2000	1175	67	5.70%	1
Presence of symptoms
Symptomatic	254	83	32.70%	5.963(4.304–8.261)	<0.001**
Asymptomatic	1506	103	6.80%	1
Education Of father
Primary	239	72	30.10%	5.321(3.803–7.445)	<0.001*
Secondary	1521	114	7.50%	1
Education of Mother
Primary	291	81	27.80%	5.011(3.623–6.929)	<0.001*
Secondary	1469	105	7.10%	1
Area
Rural	922	126	16.40%	5.391(3.564–8.154)	<0.001
Urban	838	60	7.20%	1

N: Number examined; no: Number positive.

Reference group marked as OR = 1; CI: Confidence interval.

*Significant association (p<0.05).

**Variables were confirmed by multivariate analysis as significant predictors of Blastocystis infection.