Univariate model

Multivariate model

Caractéristique

n/N

OR1

95% CI1

p

ORa1

95% CI1

p

Age groups (years)

<30

16/102

1

1

≥30

18/205

0.61

0.30 - 1.25

0.181

0.64

0.29 - 1.41

0.274

Level of education

Primary

13/81

1

1

Secondary

16/180

0.51

0.23 - 1.11

0.093

0.24

0.09 - 0.61

0.003

Higher

5/62

0.45

0.15 - 1.36

0.161

0.25

0.77 - 0.86

0.028

Age at first sexual intercourse

18

26/162

1

1

≥19

8/153

0.27

0.11 - 0.62

0.002

0.17

0.06 - 0.43

< 0.001

Used a condom the last time you had sex

No

33/300

1

1

Yes

1/23

0.36

0.47 - 2.81

0.336

0.28

0.03 - 2.63

0.269

Number of previous births

No

3/23

1

1

Yes

31/300

0.76

0.21 - 2.73

0.684

0.56

0.12 - 2.53

0.455