Table 3 Screening of breast cancer (Odd Ratios) among women with their menstrual and reproductive factors

Age of menarche

13–15®

< 13

1.10**

1.02–2.39

1.15

1.05–2.38

> 15

1.85***

1.25–2.85

2.20***

1.48–3.28

Menstruation status

Regular®

Irregular

1.25**

1.00–2.56

1.29***

1.08–3.53

Menopause started

No®

Yes

1.55

1.08–2.36

1.69*

1.15–3.38

No. of. Live birth

0®

1

2.88***

2.54–3.27

2.75

2.41–3.69

2

3.66***

3.27–4.09

3.30*

2.69–4.52

3

2.60***

2.29–2.96

2.45**

2.12–3.20

> 3

1.88***

1.62–2.19

1.12***

1.05–2.36

No. of Pregnancy

1®

2

0.77

0.32–1.88

0.47

0.04–5.82

3

0.67

0.28–1.63

0.36

0.03–5.02

> 3

0.73

0.34–1.57

0.30

0.02–3.69

Age at 1st birth

< 25®

25–29

1.24***

1.1–1.49

1.25

1.01–2.55

> 29

1.92***

1.52–2.17

1.93**

1.11–3.04

Duration of breast-feeding

< 12®

12–23 months

1.01

0.45–2.28

1.06

0.67–2.16

> 24 months

0.75***

0.63–0.91

0.95***

0.42–2.10

Contraceptive pill used

No®

Yes

1.65***

0.58–2.74

1.11**

0.74–2.10

Terminated pregnancy

Miscarriage®

Abortion

1.78***

1.25–2.55

1.63***

0.99–2.69

Still birth

0.53

0.21–1.33

0.70

0.25–1.95