Table 2.
Characteristics of Women in the Pooled Analysis by Case-Control Status and Histology
| Variable | Cases |
|||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Endometrioid* (n = 7,246) |
Adenocarcinoma NOS (n = 4,830) |
Adenocarcinoma With Squamous Differentiation (n = 777) |
Serous (n = 508) |
Mixed Cell (n = 346) |
Clear Cell (n = 196) |
Mucinous (n = 166) |
Controls (n = 35,312) |
|||||||||
| No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | |
| Age, years | ||||||||||||||||
| Mean | 61.9 | 64.1 | 61.8 | 66.5 | 62.4 | 65.6 | 64.6 | 64.3 | ||||||||
| SD | 9.5 | 8.4 | 8.8 | 8.0 | 9.5 | 8.6 | 8.6 | 9.1 | ||||||||
| Race | ||||||||||||||||
| White | 5,629 | 77.7 | 4,356 | 90.2 | 701 | 90.2 | 415 | 81.7 | 312 | 90.2 | 163 | 83.2 | 150 | 90.4 | 30,528 | 86.5 |
| Black | 154 | 2.1 | 103 | 2.1 | 13 | 1.7 | 44 | 8.7 | 10 | 2.9 | 9 | 4.6 | 5 | 3.0 | 1,360 | 3.9 |
| Asian | 1,165 | 16.1 | 256 | 5.3 | 28 | 3.6 | 25 | 4.9 | 9 | 2.6 | 11 | 5.6 | 9 | 5.4 | 2,270 | 6.4 |
| Hawaiian/Pacific Islander | 21 | 0.3 | 39 | 0.8 | 5 | 0.6 | 1 | 0.5 | 257 | 0.7 | ||||||
| Other† | 277 | 3.8 | 76 | 1.6 | 30 | 3.9 | 24 | 4.7 | 15 | 4.3 | 12 | 6.1 | 2 | 1.2 | 897 | 2.5 |
| Postmenopausal | 5,768 | 79.6 | 4,246 | 87.9 | 648 | 83.4 | 471 | 92.7 | 177 | 90.3 | 294 | 85.0 | 135 | 81.3 | 29,513 | 83.6 |
| BMI, kg/m2 | 28.9 | 6.7 | 28.1 | 6.7 | 29.0 | 6.9 | 27.6 | 6.1 | 28.5 | 6.3 | 27.7 | 5.8 | 28.1 | 6.6 | 25.7 | 4.9 |
| Mean | ||||||||||||||||
| SD | ||||||||||||||||
| Parous | 5,951 | 82.1 | 3,867 | 80.1 | 584 | 75.2 | 425 | 83.7 | 279 | 80.6 | 165 | 84.2 | 130 | 78.3 | 30,719 | 87.0 |
| Ever used menopausal hormone‡ | 2,310 | 40.1 | 2,069 | 48.7 | 253 | 39.0 | 159 | 33.8 | 97 | 33.0 | 54 | 30.5 | 79 | 58.5 | 12,397 | 42.0 |
| Ever smoked§ | 2,583 | 36.5 | 1,877 | 40.5 | 314 | 40.9 | 191 | 38.7 | 116 | 33.5 | 75 | 40.5 | 65 | 44.5 | 16,052 | 46.0 |
Abbreviations: BMI, body mass index; SD, standard deviation.
*
Includes endometrioid carcinoma, mucinous and adenocarcinoma not otherwise specified for one study (Nurses' Health Study).
†
Includes mixed, Hispanic, other, and unknown race/ethnicity.
‡
Among postmenopausal women only.
§
Based on 23 studies with smoking data (Bay Area Women's Health Study did not have smoking data).