Parity | Nulliparous | 31 | 60.8 | 16 | 31.4 | 4 | 7.8 | 51 | 100 | 0.553 |
Multiparous | 85 | 55.6 | 55 | 35.9 | 13 | 8.5 | 153 | 100 | ||
Single | 166 | 57.4 | 109 | 37.7 | 14 | 4.8 | 289 | 100 | ||
Age at menarche (years) | Less than 12 | 54 | 65.9 | 24 | 29.3 | 4 | 4.9 | 82 | 100 | 0.053 |
From 12 to 14 | 138 | 50.9 | 113 | 41.7 | 20 | 7.4 | 271 | 100 | ||
More than 14 | 50 | 58.8 | 30 | 35.3 | 5 | 5.9 | 85 | 100 | ||
Unknown | 40 | 72.7 | 13 | 23.6 | 2 | 3.6 | 55 | 100 |