Table 2 Overall distribution of epidemiological risk factors by p53 expression
Characteristic | p53− | p53+ | P* | ||
|---|---|---|---|---|---|
No. | % | No. | % | ||
Age at Menarche | |||||
≤12 years | 238 | 10.4 | 247 | 10.3 | |
13 years | 397 | 17.3 | 460 | 19.2 | |
14 years | 488 | 21.2 | 523 | 21.8 | |
≥15 years | 1176 | 51.1 | 1168 | 48.7 | 0.27 |
Missing | 1094 | 1435 | |||
Parity | |||||
None | 108 | 4.7 | 89 | 3.8 | |
1 | 1344 | 58.6 | 1426 | 60 | |
2 | 612 | 26.7 | 609 | 25.6 | |
≥3 | 229 | 10.0 | 253 | 10.6 | 0.27 |
Missing | 1100 | 1456 | |||
Breastfeeding | |||||
Never | 270 | 13.3 | 259 | 13.2 | |
Ever | 1764 | 86.7 | 1704 | 86.8 | 0.94 |
Missing | 269 | 434 | |||
BMI (kg/m2) | |||||
<18.5 | 46 | 2.0 | 57 | 2.4 | |
18.5–24.99 | 1213 | 52.3 | 1315 | 54.8 | |
25–30 | 853 | 36.7 | 825 | 34.4 | |
>30 | 209 | 9.0 | 201 | 8.4 | 0.20 |
Missing | 1072 | 1435 | |||
Family history | |||||
Absent | 2175 | 93.0 | 2262 | 92.8 | |
Present | 164 | 7.0 | 175 | 7.2 | 0.82 |
Missing | 1054 | 1396 | |||
