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Table 5 Crude and adjusted prevalence ratios of independent variables for H. pylori infection. (n = 359)

From: Prevalence of Helicobacter pyloriinfection and associated factors among adults in Southern Brazil: a population-based cross-sectional study

Characteristics

Crude PR

95% CI

Adjusted PR

95% CI

p

Father education)

    

0.011

≤ 4

1.00

 

1.00

  

5–7

0.94

0.77 – 1.16

0.98

0.80 – 1.20

 

8–10

0.65

0.42 – 1.02

0.69

0.46 – 1.06

 

≥ 11

0.42

0.24 – 0.74

0.47

0.28 – 0.79

 

N° siblings

    

0.0011

0–2

1.00

 

1.00

  

3–4

1.44

1.13 – 1.83

1.44

1.11 – 1.86

 

5–6

1.32

1.02 – 1.71

1.27

0.96 – 1.68

 

≥ 7

1.59

1.28 – 1.98

1.55

1.22 – 1.98

 

Day-care centre in childhood

    

0.001

Yes

1.01

1.01 – 1.01

1.53

1.18 – 1.97

 

No

1.00

 

1.00

1.00

 

Current family income (MW)

    

0.071

≤ 1.00

1.00

 

1.00

  

1.01–3.00

0.80

0.66 – 0.96

0.86

0.69 – 1.06

 

3.01–5.00

0.86

0.71 – 1.03

0.97

0.79 – 1.19

 

≥ 5.01

0.52

0.39 – 0.69

0.68

0.49 – 0.93

 

Ethnicity

    

<0.001

White

1.00

 

1.00

  

Non white

1.39

1.21 – 1.61

1.32

1.14 – 1.54

 

Dyspeptic symptoms

    

0.002

No

1.00

 

1.00

  

Yes

1.22

1.04 – 1.44

1.28

1.10 – 1.50

 
  1. 1test for linear trend