Table 1 The distribution of the number and percentages of breast cancer risk factors in females with and without family history of breast cancer
Breast cancer risk factors (no) | Females with no family history of breast cancer no. (%) | Females with family history of breast cancer no. (%) | Chi-square | p value |
|---|---|---|---|---|
Age | ||||
< 40 years (60) | 30 (50) | 30 (50) | 0.018 | 0.895 |
≥ 40 years (60) | 30 (50) | 30 (50) | ||
Age at full-term Pregnancy (100) | ||||
< 25 years (88) | 44 (73.3) | 44 (73.3) | 0.000 | 1 |
≥ 25 years (12) | 6 (10) | 6 (10) | ||
Age at menarche | ||||
< 14 years (66) | 36 (60) | 30 (50) | 1.83 | 0.400 |
≥ 14 years (54) | 24 (40) | 30 (50) | ||
Menopausal state | ||||
Premenopausal (88) | 46 (76.7) | 42 (70) | 0.341 | 0.771 |
Postmenopausal (32) | 14 (23.3) | 18 (30) | ||
Number of children (100) | ||||
1–2 child (12) | 6 (12) | 6 (12) | 0.000 | 1 |
> 2 children (88) | 44 (88) | 44 (88) | ||
Parity | ||||
Nulliparous (20) | 10 (16.7) | 12 (20) | 0.111 | 0.739 |
Multiparous (100) | 50 (83.3) | 48 (80) | ||
≠BMI (116) | ||||
25–29 kg/m2 (52) | 38 (67.9) | 14 (23.3) | 11.06 | 0.001** |
≥ 30 kg/m2 (64) | 18 (32.1) | 46 (76.7) | ||
Duration of breastfeeding (100) | ||||
6–18 months (50) | 32 (66.6) | 18 (34.6) | 5.29 | 0.021* |
19–24 months (50) | 16 (33.3) | 34 (65.4) | ||