Table 3

Selected determinants of HPV infection in pregnant women recruited in the prospective cohort study.

HPV

Positive/tested

(n = 66/143)

HPV-positive

(%)

OR

(95% CI)


Age

≤ 20

3/4

75.0

1.0

Reference

21–25

10/18

55.6

0.42

(0.04–4.82)

26–30

17/45

37.8

0.20

(0.02–2.11)

31–35

21/52

40.4

0.23

(0.02–2.32)

≥ 36

15/24

62.5

0.56

(0.05–6.19)

Chi-square p-value

0.16

Marital Status

Married

41/99

41.4

1.0

Reference

Cohabiting

20/37

54.1

1.78

(0.81–3.90)

Single

1/2

50.0

1.62

(0.10–27.30)

Separated

4/5

80.0

4.09

(0.42–40.26)

Chi-square p-value

0.25

Age at first intercourse

≤ 17

27/42

64.3

1.0

Reference

18–19 yrs

15/35

42.9

0.38

(0.15–1.00)

≥ 20 yrs

13/37

35.1

0.29

(0.11–0.76)

Unknown

11/29

Chi-square p-value

0.03

No. of sexual partners before 20 years of age

0

5/24

20.8

1.0

Reference

1

29/58

50.0

3.45

(1.12–10.67)

≥ 2

21/32

65.6

7.23

(2.05–25.50)

Unknown

11/29

Chi-square p-value

0.004

Lifetime no. of sexual partners

1

17/44

38.6

1.0

Reference

2–4

17/39

43.6

1.22

(0.50–2.95)

≥ 5

21/31

67.7

3.17

(1.19–8.41)

Unknown

11/29

Chi-square p-value

0.04

Previous history of genital warts

No

28/70

40.0

1.0

Reference

Yes

23/39

59.0

2.15

(0.96–4.82)

Unknown

15/34

Chi-square p-value

0.06

Previous history of STD

No

37/92

40.2

1.0

Reference

Yes

14/17

82.4

6.82

(1.82–25.62)

Unknown

15/34

Chi-square p-value

0.001

Cytology results

Normal

49/120

40.8

1.0

Reference

ASCUS

1/1

100

1.0

≥ LSIL

12/17

70.6

3.15

(1.03–9.61)

Unknown

4/5

Chi-square p-value

0.02


Models adjusted by age (≤ 28, 29–33, ≥ 34 years)

Castellsagué et al. BMC Infectious Diseases 2009 9:74   doi:10.1186/1471-2334-9-74

Open Data