Table 1.
General characteristics of the cohorts
Cohort | No. Participants | No. Cases | Study period | Age at baseline (mean [range]) | Male (%) | BMI ≥30 (%) | History of diabetes (%) |
---|---|---|---|---|---|---|---|
NIH-AARP Diet and Health Study (NIH-AARP) | 493,628 | 576 | 1995-2006 | 62.0 (50-72) | 61 | 22 | 9 |
US Radiologic Technologists Study (USRT) | 58,325 | 121 | 1994-2006 | 47.5 (31-94) | 22 | 16 | 3 |
Prostate, Lung, Colorectal, and Ovarian Screening Study (PLCO) | 48,497 | 51 | 1993-2009 | 62.5 (52-75) | 52 | 22 | 7 |
Agricultural Health Study (AHS) | 44,629 | 48 | 1993-2005 | 47.3 (14-92) | 51 | 21 | 3 |
Breast Cancer Detection Demonstration Project (BCDDP) | 29,412 | 22 | 1987-1997 | 61.0 (40-90) | 0 | 13 | 5 |
Total | 674,491 | 818 | 1987-2009 | 59.8 (14-94) | 54 | 21 | 8 |