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Table 3 Univariate and multiple analysis of intestinal parasitic infections and potential risk factors (n = 861)

From: Prevalence and associated risk factors of human intestinal parasitic infections: a population-based study in the southeast of Kerman province, southeastern Iran

Risk factors

Prevalence (95% CI)

ORa (95% CI)

ORb (95% CI)

Sex

 Male

35.4 (29.1 to 42.4)

1

1

 Female

32.8 (28.1 to 37.8)

1.0 (0.7 to 1.3)

1.1 (0.8 to 1.6)

Age group

 ≤ 9

42.6 (34.6 to 53.7)

1

1

 10 to 19

35.9 (28.0 to 44.7)

0.8 (0.5 to 1.3)

0.7 (0.3 to 1.1)

 20 to 29

23.9 (17.0 to 32.5)

0.5 (0.3 to 0.8)

0.4 (0.2 to 1.0)

 30 to 39

31.1 (23.9 to 39.4)

0.7 (0.4 to 1.1)

0.8 (0.4 to 1.2)

 40 to 49

36.2 (26.4 to 47.3)

0.8 (0.4 to 1.3)

0.8 (0.4 to 1.4)

 50≤

25.4 (16.4 to 37.2)

0.6 (0.3 to 1.1)

0.5 (0.3 to 1.2)

Occupation

 Housewife

30.6 (24.1 to 38.0)

1

1

 Children

32.4 (24.5 to 41.4)

1.0 (0.6 to 1.7)

2.2 (0.5 to 3.8)

 Student

45.8 (36.0 to 56.1)

1.4 (0.9 to 2.1)

1.1 (0.5 to 2.1)

 Farmer

32.3 (24.6 to 41.0)

1.1 (0.7 to 1.7)

1.0 (0.5 to 1.7)

 Employed

20.3 (12.0 to 32.1)

0.6 (0.3 to 1.1)

0.6 (0.3 to 1.3)

 Unemployed

47.0 (26.2 to 68.8)

1.4 (0.6 to 3.1)

1.3 (0.5 to 3.5)

 Others

27.6 (17.7 to 40.5)

0.8 (0.4 to 1.4)

0.6 (0.3 to 1.2)

Education level

 High school

29.7 (22.2 to 38.4)

1

1

 Children under 6-yr

38.5 (29.3 to 48.6)

0.7 (0.4 to 1.1)

0.1 (0.1 to 0.6)

 Elementary school

35.1 (29.0 to 41.7)

0.9 (0.6 to 1.3)

0.7 (0.5 to 1.1)

 University

22.0 (12.3 to 36.1)

0.4 (0.2 to 0.9)

0.5 (0.2 to 1.2)

 Illiterate

33.0 (25.6 to 41.2)

0.8 (0.5 to 1.3)

0.7 (0.4 to 1.2)

Source of drinking water

 Tap water

31.6 (26.4 to 37.3)

1

1

 Spring or well water

38.4 (32.6 to 44.6)

1.3 (1.0 to 1.8)

1.3 (1.0 to 1.8) *

Animal close contact

 No

32.7 (27.6 to 38.2)

1

1

 Yes

34.9 (29.4 to 40.9)

1.1 (0.8 to 1.4)

1.0 (0.7 to 1.3)

Residency status

 Rural

34.8 (30.5 to 39.3)

1

1

 Urban

28.6 (20.0 to 39.0)

0.6 (0.3 to 0.9)

0.4 (0.2 to 0.7) *

  1. aCrude odds ratio
  2. bAdjusted odds ratio
  3. *Indicates p < 0.05