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Table 3 Prevalence ratios and corresponding 95% confidence intervals (CI) for HPV awareness according to selected sexual behaviours, reproductive characteristics, and history of contraception among 301 young primiparous women, Sao Paulo, Brazil, 2006-2007

From: Awareness and knowledge of HPV, cervical cancer, and vaccines in young women after first delivery in São Paulo, Brazil - a cross-sectional study

 

Total

HPV awareness

Prevalence ratio

95% CI

P

Age at first sexual intercourse

    

0.307

   ≤15

132

33.3%

1

  

   > 15

169

39.1%

1.17

[0.86-1.59]

 

Number of lifetime sexual partners

    

0.238*

   1

120

37.5%

1

  

   2-3

116

28.5%

0.76

[0.52-1.10]

 

   ≥4

65

49.2%

1.31

[0.94-1.84]

 

Previous STI 1

    

0.002

   No

292

34.9%

1

  

   Yes

9

88.9%

2.55

[1.93-3.36]

 

Abortion

    

0.603

   No

282

36.2%

1

  

   Yes

19

42.1%

1.16

[0.67-2.02]

 

Contraception

    

0.398

   No

74

32.4%

1

  

   Yes

227

37.9%

1.17

[0.81-1.69]

 
  1. 1STI: Sexually Transmitted Infection.
  2. *Chi-square for trend