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Table 1 Sociodemographic characteristics of HPV positive patients and controls

From: Genetic variant in CXCL12 gene raises susceptibility to HPV infection and squamous intraepithelial lesions development: a case-control study

Variable

HPV non-infected

HPV infected

p value*

OR

CI 95%

p value

n

(%)

n

(%)

Knowledge about HPV

    

0.024

   

 No

36

(19.35)

43

(32.82)

 

1.00

Reference

 

 Have ever heard

106

(57.00)

62

(47.32)

 

0.490

0.258–0.842

0.010

 Yes

44

(23.65)

26

(19.86)

 

0.495

0.257–0.954

0.036

Age (years)

    

0.001

   

 ≤ 24

14

(7.21)

30

(18.63)

 

1.00

Reference

 

 25–34

50

(25.77)

52

(32.29)

 

0.483

0.231–1.021

0.057

 35–44

50

(25.77)

37

(23.00)

 

0.345

0.161–0.741

0.006

 45–54

54

(27.85)

23

(14.28)

 

0.199

0.088–0.443

0.001

 ≥ 55

26

(13.40)

19

(11.80)

 

0.341

0.143–0.812

0.015

Ethnicity

    

0.540

   

 Caucasian

100

(54.06)

58

(44.61)

 

1.00

  

 Brown

61

(33.00)

60

(42.60)

 

1.696

1.048–2.744

0.031

 Black

24

(13.00)

11

(8.50)

 

0.790

0.361–1.730

0.556

 Asian

0

(0.00)

1

(0.80)

 

–

–

–

Monthly incomea

    

0.040

   

 < 1 minimum wage

43

(24.57)

45

(37.81)

 

1.00

Reference

 

 1–3 minimum wages

115

(65.71)

65

(54.62)

 

0.540

0.322–0.906

0.020

 3–5 minimum wages

13

(7.42)

9

(7.57)

 

0.662

0.257–1.706

0.393

 ≥ 5 minimum wages

4

(2.27)

0

(0.00)

 

–

–

 

Smoking status

    

0.001

   

 No

163

(84.90)

100

(69.90)

 

1.00

Reference

 

 Yes

29

(15.10)

43

(30.10)

 

2.417

1.419–4.117

0.001

Educational Stageb

    

0.488

   

 Until incomplete fundamental education

58

(31.40)

44

(33.90)

 

1.00

reference

 

 Complete fundamental education

17

(9.20)

18

(13.80)

 

1.396

0.646–3.014

0.396

 Incomplete secondary education

29

(15.70)

16

(12.30)

 

0.727

0.352–1.502

0.390

 Complete secondary education

63

(34.10)

42

(32.30)

 

0.879

0.505–1.528

0.647

 Incomplete higher education

6

(3.20)

6

(4.60)

 

1.318

0.398–4.436

0.651

 Complete higher education

12

(6.40)

4

(3.10)

 

0.439

0.133–1.455

0.178

Marital status

    

0.002

   

 Single

19

(9.80)

39

(24.80)

 

1.00

Reference

 

 Married / Civil partner

143

(73.70)

91

(58.00)

 

0.310

0.169–0.569

0.001

 Divorced

23

(11.90)

19

(12.10)

 

0.402

0.178–0.912

0.029

 Widowed

9

(4.60)

8

(5.10)

 

0.433

0.144–1.300

0.136

  1. aBased on Brazilian minimum wage (approximately U$ 265.00). bBased on Brazilian educational system. *Analysis by two-sided Chi-square (Χ2) test and p < 0.05 set as significance level (SPSS Inc., Chicago, Illinois, USA). Some categories did not complete the total of patients due to lack of data. Significant p values are presented in bold
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