Participants
The median (IQR) age of the 949 randomly assigned participants was 56 (46-65) years; 346 (36.5%) were female and 603 (63.5%) were male; 13 (1.4%) were American Indian or Alaska Native, 32 (3.4%) were Asian, 190 (20.0%) were Black, 12 (1.3%) were Native Hawaiian or Pacific Islander, 561 (59.1%) were White, 8 (0.8%) reported being of multiple races, and 53 (5.6%) reported other race or ethnicity. The baseline characteristics were balanced between the groups (