Table 1 Characteristics for breast cancer cases and non-breast cancer controls.
From: Ornithine and breast cancer: a matched case–control study
Variable | Cases (N = 735) | Controls (N = 735) | P |
|---|---|---|---|
Age (years) | 49.6 (8.7) | 48.9 (8.7) | 0.151 |
Body mass index (kg/m2) | 24.3 (3.5) | 24.3 (3.3) | 0.957 |
Age at menarche (years) | 15.2 (1.8) | 15.2 (1.7) | 0.903 |
Hypertension diagnosis (n, %) | 91 (12.4) | 99 (13.5) | 0.534 |
Type II diabetes diagnosis (n, %) | 38 (5.2) | 26 (3.5) | 0.125 |
History of cancer (n, %) | 23 (3.1) | 14 (1.9) | 0.134 |
Smoking (n, %) | 19 (2.6) | 18 (2.5) | 0.868 |
Alcohol consumption (n, %) | 2 (0.3) | 2 (0.3) | 1.000 |
Family history of cancer (n, %) | 44 (6.0) | 49 (6.7) | 0.592 |
Postmenopausal status (n, %) | 298 (40.5) | 247 (33.6) | 0.006 |
Parity (n, %) | 0.002 | ||
0 | 36 (4.9) | 18 (2.5) | |
1 | 483 (65.7) | 496 (67.5) | |
2 | 178 (24.2) | 203 (27.6) | |
3+ | 38 (5.2) | 18 (2.5) |
