Table 2.
Demographics of genotyped cases and controls
| Cohort | #Samples | Sex %Male | Age* Mean | SE | BMI† Mean | SE |
| Cases | ||||||
| GHC EA | 441 | 50.34 | 74.75 | 0.36 | 29.71 | 0.72 |
| Marshfield EA | 562 | 52.49 | 63.75 | 0.46 | 33.25 | 0.31 |
| Mayo EA | 518 | 70.46 | 64.03 | 0.40 | 32.28 | 0.41 |
| NU EA | 561 | 55.26 | 57.36 | 0.49 | 33.44 | 0.34 |
| VU EA | 331 | 53.78 | 57.77 | 0.70 | 33.29 | 0.47 |
| Cross cohort EA | 2413 | 56.78‡ | 63.51‡ | 0.25 | 32.40‡ | 0.21 |
| NU AA | 184 | 35.33 | 53.30 | 0.85 | 36.22 | 0.75 |
| VU AA | 626 | 38.02 | 53.70 | 0.57 | 34.52 | 0.37 |
| Cross cohort AA | 810 | 37.41‡ | 53.61‡ | 0.48 | 34.97‡ | 0.34 |
| Controls | ||||||
| GHC EA | 379 | 41.69 | 74.64 | 0.32 | 25.02 | 0.22 |
| Marshfield EA | 432 | 31.94 | 57.94 | 0.45 | 26.91 | 0.20 |
| Mayo EA | 687 | 57.50 | 60.80 | 0.32 | 27.43 | 0.31 |
| NU EA | 670 | 44.33 | 50.05 | 0.50 | 26.85 | 0.20 |
| VU EA | 224 | 49.55 | 58.10 | 0.91 | 28.04 | 0.48 |
| Cross cohort EA | 2392 | 45.94‡ | 59.21‡ | 0.27 | 26.80‡ | 0.13 |
| NU AA | 112 | 20.54 | 40.28 | 1.06 | 30.46 | 0.76 |
| VU AA | 761 | 34.82 | 45.55 | 0.59 | 29.85 | 0.31 |
| Cross cohort AA | 873 | 32.99‡ | 44.87‡ | 0.54 | 29.96‡ | 0.29 |
Age, age of onset for cases, and age of enrollment for controls.
BMI, body mass index, median BMI at age of onset for cases, and median BMI at last age collected for controls.
Analysis of variance significant at p<0.001.
AA, African ancestry; EA, European ancestry; GHC, Group Health Cooperative; NU, Northwestern University; VU, Vanderbilt University.