| Crude OR (95% CI) | Adjusted ORa (95% CI) | ||
---|---|---|---|---|
Background characteristics | OR | 95% CI | OR | 95% CI |
Age of menarche | Â | Â | Â | Â |
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 | Â | Â | Â | Â |
Regular® |  |  |  |  |
Irregular | 1.25** | 1.00–2.56 | 1.29*** | 1.08–3.53 |
Menopause started | Â | Â | Â | Â |
No® |  |  |  |  |
Yes | 1.55 | 1.08–2.36 | 1.69* | 1.15–3.38 |
No. of. Live birth | Â | Â | Â | Â |
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 | Â | Â | Â | Â |
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 | Â | Â | Â | Â |
< 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 | Â | Â | Â | Â |
< 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 | Â | Â | Â | Â |
No® |  |  |  |  |
Yes | 1.65*** | 0.58–2.74 | 1.11** | 0.74–2.10 |
Terminated pregnancy | Â | Â | Â | Â |
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 |