Epidemiologic Study of Blastocystis Infection in an Urban Community in the Philippines

Table 1

Prevalence of Blastocystis infection among permanent residents of Pateros, Philippines, according to sociodemographic and exposure factors.

	(%)	% infected	95% CI
Overall	1271	12.98	11.13–14.83
Sociodemographic factors
Gender
Male	498 (39.18)	12.65	9.75–15.38
Female	773 (60.18)	13.20	10.81–15.59
Age (in years)
1–4	165 (12.98)	7.88	3.75–12.01
5–14	239 (18.80)	15.06	10.51–19.61
15–29	332 (26.12)	13.25	9.60–16.91
30–44	246 (19.35)	14.23	9.85–18.61
45–59	195 (15.34)	12.8	8.11–17.53
60–69	60 (4.72)	8.33	1.27–15.39
70 and above	34 (2.68)	20.59	6.78–34.40
Level of education
College	331 (26.04)	10.27	6.99–13.55
High school	431 (33.91)	15.78	12.33–19.23
Elementary	306 (24.08)	12.09	8.43–15.75
No education	203 (15.97)	12.81	8.19–17.41
Exposure factors
Hygiene practices
Hand washing
Wash hands with soap and water immediately after using toilet	1016 (79.94)	14.17	12.03–16.32
Wash hands with water only after using toilet	162 (12.75)	8.64	4.30–12.99
Wash hands with soap and water but delays washing for more than 5 minutes after using toilet	93 (7.32)	7.52	2.13–12.92
Excreta disposal
Family owned toilet	1003 (78.99)	14.04	11.89–16.20
Communal toilet	267 (21.01)	8.99	5.54–12.43
Water supply
Public water system	1085 (85.37)	12.53	10.56–14.51
Communal faucet	186 (14.63)	15.59	10.35–20.82
Dog ownership
Nondog owner	1115 (87.73)	11.30	9.43–13.16
Dog owner	156 (12.27)	25.00	18.18–32.18

: number of examined.