Table I.
Study population characteristics by study
| Study name | Study design | Location | Study period | Number of cases/controls | Mean agea (years) | Mean BMI (kg/m2) | ||
|---|---|---|---|---|---|---|---|---|
| Cases | Controls | Cases | Controls | |||||
| Connecticut Endometrial Cancer Study (CECS) | Case–control | Connecticut, USA | 2004–2009 | 477/567 | 60.6 | 61.9 | 32.5 | 26.6 |
| California Teachers Study (CTS) | Cohort | California, USA | 1995–2004 | 295/285 | 65.3 | 66.7 | 27.0 | 25.2 |
| Epidemiologic Architecture for Genes Linked to Environment (Eagle-BioVU) | Case–control | Tennesse, USA | 2007 – | 20/156 | 88.1 | 89.0 | 25.8 | 25.5 |
| Fred Hutchinson Cancer Center (FHCRC) | Case–control | Washington, USA | 1994–2005 | 697/693 | 59.7 | 59.2 | 30.2 | 25.6 |
| Multiethnic Cohort (MEC) | Cohort | Hawaii/California, USA | 1993–2008 | 100/199 | 65.4 | 64.5 | 28.8 | 25.5 |
| Nurses’ Health Study (NHS) | Cohort | 11 states, USA | 1976–2008 | 396/348 | 62.4 | 63.0 | 28.6 | 26.3 |
| Polish Endometrial Cancer Case-Control Study (PECS) | Case–control | Poland | 2001–2003 | 459/558 | 60.9 | 55.6 | 28.6 | 26.4 |
| Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial (PLCO) | Cohort | USA | 1993–2008 | 446/123 | 67.9 | 62.7 | 29.3 | 26.9 |
| Women’s Health Initiative (WHI) | Cohort | USA | 1991–2009 | 868/3037 | 63.9 | 65.2 | 28.9 | 27.3 |
BMI, body mass index.
aAge at diagnosis for cases and at reference date for controls.