Table 3 Menstrual history and breastfeeding duration of the study groups
Parameter | Control (n = 218) | Case (n = 214) | P-value |
|---|---|---|---|
Age of started menstruation | |||
< 10 years old | 1 (0.5) | 25 (11.7%) | < 0.001 |
11–14 years old | 196 (89.9%) | 150 (70.1%) | |
> 15 years old | 21 (9.6%) | 39 (18.2%) | |
Age at menopause | |||
< 35 years old | 2 (0.9%) | 8 (3.7%) | 0.271 |
36–40 years old | 25 (11.5%) | 16 (7.5%) | |
41–45 years old | 68 (31.2%) | 46 (21.5%) | |
> 46 years old | 123 (56.4%) | 144 (67.3%) | |
Breastfeeding duration | |||
No | 51 (23.4%) | 40 (18.7%) | 0.052 |
Yes | 167 (76.6%) | 174 (81.3%) | |
< 6 months | 76 (45.5%) | 48 (27.6%) | |
6–12 months | 42 (25.1%) | 70 (40.2%) | |
> 13 months | 49 (29.4%) | 56 (32.2%) | |