Variables | Cases (n = 185) | Controls (n = 244) |
---|---|---|
Menopausal status- | ||
Premenopausal | 79 | 109 |
postmenopausal | 106 | 135 |
Age (mean + SD) | 50.3 + 11.02 years | 48.7 + 10.1 years |
Age at menarche (mean + SD) | 13.4 + 0.76 years | 13.4 + 0.92 years |
Age at first childbirth (mean + SD) | 20.7 + 5.97 years | 20.9 + 6.7 years |
Parity | ||
Nulliparous | 11 | 16 |
Parous | 174 | 228 |
Exclusive breast feeding | ||
Present | 148 | 196 |
Absent | 37 | 48 |