Table 1 Characteristics of the case-control study population
Variable | Case (1241) No (%) | Control (1259) No (%) | P |
|---|---|---|---|
Age | 49.04 ± 9.96 | 49.08 ± 13.75 | 0.942 a |
Smoking | 0.123 b | ||
Yes | 9 (0.70) | 17 (1.40) | |
No | 1232 (99.30) | 1242 (98.60) | |
Alcohol use | 0.721 b | ||
Yes | 12 (1.00) | 14 (1.10) | |
No | 1229 (99.00) | 1245 (98.90) | |
Menopausal status | 0.117 b | ||
Post-menopause | 533 (42.90) | 580 (46.10) | |
Pre-menopause | 708 (57.10) | 679 (53.90) | |
Estrogen Receptor(ER) | |||
Positive | 802 (64.60) | ||
Negative | 439 (35.40) | ||
Progesterone Receptor(PR) | |||
Positive | 712 (57.40) | ||
Negative | 529 (42.60) |
