| Postmenopausal | CC | 25 (78.12) | 21 (72.41) | - | - | - | 0.6049 |
| CG | 7 (21.88) | 8 (27.59) | 0.61 | 1.36 (0.43 - 4.24) | 1 | ||
Bantu | CC | 17 (66.67) | 32 (82.93) | - | - | - | 0.11 | |
| CG | 16 (33.33) | 9 (17.07) | 0.18 | 3.346 (1.22 - 9.155) | 1 | ||
Semi-bantu | CC | 44 (61.11) | 127 (69.78) | - | - | - | 0.2 | |
| CG | 28 (38.89) | 55 (30.22) | 0,184 | 0.7 (0.386 - 1.199) | 0.4 |