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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: Cancer Causes Control. 2012 Feb 1;23(3):463–471. doi: 10.1007/s10552-012-9896-y

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