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Table 1 Risk factors for prevalence of HPV DNA among pregnant women

From: Survey of human papillomavirus types and their vertical transmission in pregnant women

Risk factor

Number of cases (%, HPV+)

Odds ratio

95% confidence interval

Age (years)

   

≤24

62/348 (17.8%)

1.2

0.85–1.67

25–29

243/2032 (12.%)

0.75

0.58–0.95

≥30

117/759 (15.4%)

Reference

-

Parity

   

1–2

348/2662 (13.1%)

Reference

-

≥3

73/477 (15.3%)

1.2

0.91–1.58

Education (years)

   

≤11

150/865 (17.3%)

4.4

1.78–11.09

12–17

267/2163 (12.3%)

3.0

1.21–7.39

≥18

5/111 (4.5%)

Reference

-

Cytological result

   

Normal

390/3097 (12.6%)

Reference

-

ASCUS

22/32 (68.7%)

15.3

7.18–32.49

LSIL

7/7

  

HSIL

3/3

  
 

422/3139 (14.4%)