Table 1.
Main characteristics of the study population by cohort.
All cohorts (N=17,976) | NHS (N=10,293) | NHS2 (N=920) | HPFS (N=6,763) | |
---|---|---|---|---|
Age (mean, SD) | 59.6 (9.0) | 58.1 (6.8) | 44.4 (4.6) | 64.1 (9.3) |
BMI (mean, SD) | 26.1 (4.7) | 26.1 (5.1) | 26.2 (6.2) | 26.2 (3.6) |
Smoking (% ever) | 52.8% | 55.0% | 31.6% | 52.3% |
Weighted GRS (mean, SD) | 3.27 (1.53) | 3.27 (1.53) | 3.13 (1.47) | 3.31 (1.53) |