- Risk factors of breast cancer in the study population (N=419).
| Variable | n (%) |
|---|---|
| Parity (n=210) (missing=209) | |
| Parous/multiparous | 182 (86.7) |
| Nulliparous | 28 (13.3) |
| Breastfeeding (n=147) (missing=272) | |
| Breastfed | 111 (75.5) |
| No breastfeeding | 36 (24.5) |
| Menarche (n=63) (missing=356) | |
| Age in years | 12.95 (9-16) |
| Family history (n=256) (missing=163) | |
| First degree consanguinity | 58 (22.7) |
| Second degree consanguinity | 9 (3.5) |
| None | 189 (73.8) |
| Body mass index (n=389) (missing=30) | |
| Underweight | 9 (2.3) |
| Normal | 49 (12.6) |
| Pre-obesity | 111 (28.5) |
| Class-I obesity | 119 (30.6) |
| Class-II obesity | 67 (17.2) |
| Class-III obesity | 34 (8.7) |
| Oral contraceptive pills (OCP)(n=120) (missing=299) | |
| Used OCP | 31 (25.8) |
| No use of OCP | 89 (74.2) |
| History of breast biopsy (n=392) (missing=27) | |
| Yes | 103 (26.3) |
| No | 289 (73.7) |