Characteristics | Categories | Cases (N=439) | Controls (N=1,198) | Adjusted OR (CI) | P |
---|---|---|---|---|---|
AGECAT (y) | < 50 | 2 | 11 | 1.00 (referent) | 0.317 |
 | ≥ 50 | 437 | 1187 | 2.19 (0.47 to 10.13) |  |
AGEMEN (y) | ≥ 14 | 246 | 772 | 1.00 (referent) | 0.039 |
 | 12 – 13 | 173 | 377 | 1.23 (1.01 to 1.49) |  |
 | < 12 | 20 | 49 | 1.51 (1.24 to 1.83) |  |
AGEFLB (y) | < 20 | 56 | 187 | 1.00 (referent) | 0.015 |
 | 20 – 24 | 132 | 440 | 1.19 (1.04 to 1.37) |  |
 | 25 – 29 or nulliparous | 185 | 425 | 1.42 (1.23 to 1.64) |  |
 | ≥ 30 | 66 | 144 | 1.69 (1.47 to 1.95) |  |
NUMREL | 0 | 411 | 1162 | 1.00 (referent) | 0.002 |
 | 1 | 25 | 36 | 2.15 (1.31 to 3.52) |  |
 | ≥ 2 | 3 | 0 | 4.62 (2.82 to 7.56) |  |
NBIOPS | 0 | 398 | 1119 | 1.00 (referent) | 0.234 |
 | ≥ 1 | 41 | 79 | 1.28 (0.85 to 1.94) |  |
ETHNICITY | Chinese | 377 | 1051 | 1.00 (referent) | Â |
 | Malay | 15 | 29 | 0.96 (0.58 to 1.59) | 0.868 |
 | Indian | 25 | 65 | 1.30 (0.67 to 2.50) | 0.434 |
 | Others | 22 | 53 | 1.02 (0.60 to 1.74) | 0.936 |
BMI (kg/m2) | < 23.0 | 126 | 476 | 1.00 (referent) | <0.001 |
 | 23.0 – 27.4 | 207 | 497 | 1.43 (1.22 to 1.68) |  |
 | ≥ 27.5 | 106 | 223 | 2.04 (1.73 to 2.39) |  |
PARITY | ≥ 3 | 263 | 801 | 1.00 (referent) | 0.031 |
 | 1 – 2 | 112 | 276 | 1.22 (1.02 to 1.46) |  |
 | 0 | 64 | 121 | 1.49 (1.24 to 1.79) |  |
OC | No | 278 | 743 | 1.00 (referent) | 0.894 |
 | Yes | 161 | 455 | 1.02 (0.80 to 1.29) |  |
HRT | No | 364 | 1022 | 1.00 (referent) | 0.265 |
 | Yes | 75 | 173 | 1.19 (0.88 to 1.62) |  |
SMOKING | No | 415 | 1126 | 1.00 (referent) | 0.831 |
 | Yes | 24 | 72 | 1.05 (0.98 to 1.72) |  |
WHR | ≤ 0.85 | 293 | 863 | 1.00 (referent) | 0.074 |
 | > 0.85 | 146 | 335 | 1.25 (0.98 to 1.60) |  |