Table 3:

Univariate and multivariate analysis of intestinal parasitic infections and potential risk factors in residents of Roudehen, Tehran Province, Iran from Jun to Dec 2014

Risk factor	Prevalence % (95 % CIa)	ORb (95 % CI)	aORc (95 % CI)
Sex
Female	31.4 (25.7–37.0)	1	1
Male	33.9 (24.7–43.9)	1.1 (0.7–1.8)	1.4 (0.7–2.5)
Age groups
0–10	15.2 (9.3–21.3)	1	1
11–20	32.2 (20.7–43.7)	2.7 (1.3–5.4)	1.7 (0.6–4.4)
21–30	34.6 (23.6–45.7)	3 (1.7–5.2)	2.3 (0.8–6.4)
31–40	40.5 (30.2–50.8)	3.8 (2.1–6.9)	2.7 (0.7–10.0)
41–50	31.4 (22.9–40.0)	2.6 (1.7–4)	1.5 (0.5–4.6)
51–60	44.7 (34.7–54.8)	4.5 (2.6–7.9)	2.6 (0.9–6.8)
60<	32.0 (21.8–42.3)	2.6 (1.3–5.3)	1.3 (0.5–3.2)
Occupation
Employed	36.1(26.4–45.7)	1	1
Unemployed	14.2 (–2.0–30.1)	0.3 (0.1–1.1)	0.2 (0.1–1)
Housewife	38.9 (31.3–46.5)	1.1 (0.6–2.02)	1.4 (0.6–3.2)
Retired	40.5 (21.4–59.6)	1.2 (0.5–2.8)	1.2 (0.3–4.7)
Student/Soldier	31.3 (20.3–42.2)	0.8 (0.5–1.5)	1.0 (0.4–2.7)
Children	9.1 (2.6–15.4)	0.2 (0.1–0.4)	0.3 (0.0–2.0)
Education
Illiterate	35.7 (20.3–51.1)	1	1
First elementary school	33.1 (22.6–43.6)	1.0 (0.4–2.3)	1.0 (0.5–2.0)
Second elementary school	42.9 (28.8–56.9)	1.5 (0.6–4.2)	1.2 (0.4–3.8)
High school	35.7 (27.5–44.0)	1.0 (0.4–2.4)	0.8 (0.2–2.6)
University	31.7 (20.8–42.6)	1.0 (0.4–2.4)	0.6 (0.2–2.1)
Children under 6-yr	9.1 (2.5–15.6)	0.2 (0.0–0.6)	1.1 (0.2–7.4)
Water Source
Tap water
Yes	30.9 (26.4–35.5)	0.6 (0.4–1.2)	0.3 (0.0–0.9)
No	41.1 (25.2–57)
Spring water
Yes	38.1 (17.7–58.6)	2.1 (0.6–8.3)	0.7 (0.2–1.9)
No	32 (27.5–36.5)
Filtered water
Yes	29.9 (18.8–40.9)	1 (0.6–1.6)	0.3 (0.0–1.2)
No	33 (27.1–38.7)
Travel history
Yes	30.6 (24.1–37.1)	0.8 (0.5–1.3)	0.8 (0.4–1.5)
No	35.7 (26.6–44.7)
Animal contact
Yes	45.3 (28.8–61.7)	1.9 (1–3.6)	1.8 (1.0–3.2)
No	30.7 (25.9–35.5)

^aCI: Confidence interval;

^bOR: Odds ratio;

^caOR: Adjusted odds ratio