Table 2 General characteristics of 1252 study participants in case and control group
Variables | BC patients (n = 622) | Normal group (n = 630) | p-values |
|---|---|---|---|
Age (year) (Mean ± SD) | 52.2 ± 11.7 | 51.3 ± 12.1 | 0.181 |
Age at menarche (years) (Mean ± SD) | 13.6 ± 3.7 | 14.2 ± 2.6 | 0.0009 |
Age at menopause (years) (Mean ± SD) | 48.3 ± 9.6 | 49.4 ± 10.1 | 0.048 |
Menopausal status N (%) | 0.532 | ||
Premenopausal | 301 (48.4) | 316 (50.2) | |
Postmenopausal | 321 (51.6) | 314 (49.8) | |
WC (cm) (Mean ± SD) | 84.5 ± 16.2 | 82.2 ± 15.3 | 0.0099 |
BMI (kg/m2) (Mean ± SD) | 24.1 ± 9.1 | 23.2 ± 9.5 | 0.087 |
Number of children (≥3) N (%) | 167 (26.8) | 199 (31.6) | 0.065 |