Cases

Controls

P-Value

OR

95% CI

Variables

N (%)

N (%)

Menarche

244 (100)

898 (100)

0.601

09 - 12 years

49 (20.1)

260 (29)

0.62

[0.44 - 0.88]

13 - 18 years

195 (79.9)

638 (71)

1.62

[1.15 - 2.29]

Age of first intercourse

294 (100)

1202 (100)

<0.0001

<18

164 (55.8)

393 (32.7)

2.597

[2 - 3.36]

≥18

130 (44.2)

809 (67.3

0.39

[0.3 - 0.51]

Age of the first pregnancy

270 (100)

939 (100)

0.013

<30

26 (9.7)

730 (77.7)

0.03

[0.02 - 0.05]

≥30

244 (90.3)

209 (22.3)

32.78

[21.3 - 50.5]

Parity

295 (100)

1209 (100)

0.015

0

42 (14.23)

167 (13.8)

0.93

[0.95 - 1.34]

1 - 3

144 (48.81)

480 (39.7)

1.54

[1.3 - 1.98]

≥3

119 (36.96)

562 (46.5)

0.74

[0.57 - 0.86]

Average Breastfeeding Duration

304 (100)

1210 (100)

<0.0001

0

31 (10.19)

24 (1.9)

5.61

[3.24 - 9.71]

1 - 6 mois

179 (58.8)

631 (52.14)

1.31

[1.02 - 1.69]

≥6 mois

94 (41.01)

555 (45.96)

0.53

[0.57 - 0.96]

Ménopause

298 (100)

1209 (100)

<0.0001

Non

151 (50.7)

770 (63.7)

0.59

[0.46 - 0.76]

Oui

147 (49.3)

439 (36.3)

1.71

[1.32 - 2.21]

Contraception

297 (100)

1158 (100)

<0.0001

Non

147 (83.2)

733 (63.3)

0.59

[0.46 - 0.76]

Oui

150 (16.8)

425 (36.7)

1.69

[1.31 - 2.19]