Skip to main content

Table 2 Analysis of the variables identified as risk factors potentially involved in the transmission of Strongyloides spp. in Cubal, Angola, 2015. Prevalence risk ratios (PRR) and 95% confidence intervals (CIs) are indicated

From: Prevalence and molecular characterization of Strongyloides stercoralis, Giardia duodenalis, Cryptosporidium spp., and Blastocystis spp. isolates in school children in Cubal, Western Angola

Variable (no. of missing observations)

Category

Casesa

Non-casesb

PRR

95% CI

P

Gender (0)

Male

33

116

1.07

0.71–1.60

0.759

Female

42

160

Reference

  

Age group (0)

≤ 7 years old

16

85

0.67

0.41–1.11

0.108

>  7 years old

59

191

Reference

  

Walking barefoot (0)

Exposed

52

174

1.25

0.81–1.94

0.313

Unexposed

23

102

Reference

  

Household size (9)

>  6 individuals

37

123

1.17

0.78–1.76

0.451

≤ 6 individuals

36

146

Reference

  

Bath place (1)

Otherc

37

156

0.79

0.53–1.18

0.253

Home

38

119

Reference

  

Contact with domestic animals (10)

Exposed

63

222

1.14

0.66–1.99

0.633

Unexposed

12

50

Reference

  

Body mass indexd(10)

≤ P5

31

97

1.25

0.83–1.90

0.276

> P5

41

172

Reference

  

Haemoglobin leveld(14)

≤ 11 g/dl

19

84

0.81

0.51–1.30

0.385

>  11 g/dl

53

181

Reference

  
  1. aCases: samples that tested positive for Strongyloides spp. by PCR-based methods
  2. bNon-cases: samples that tested negative for Strongyloides spp. by PCR-based methods
  3. cStreet, river
  4. dSee Methods section