Table 1.
Characteristics of participants in ITT analyses.* P values represent a test that randomization arm differed.
| Characteristic | Standard Protocol, GC Disclosure (n=115) | Condensed Protocol, GC Disclosure (n=116) | Condensed Protocol, MD Disclosure (n=112) | p |
|---|---|---|---|---|
| Age: yrs | 0.94 | |||
| Mean | 58.1±10.1 | 58.2±10.9 | 58.6±11.0 | |
| Range | 36–78 | 33–86 | 36–86 | |
| Female sex: n (%) | 79 (69) | 84 (72) | 82 (73) | 0.72 |
| African-American race: n (%)† | 27 (23) | 28 (24) | 24 (21) | 0.88 |
| Education: yrs | 0.13 | |||
| Mean | 16.1±2.6 | 16.2±2.7 | 15.5±2.8 | |
| Range | 9–20 | 3–20 | 5–20 | |
| Currently married: n (%) | 65 (57) | 62 (53) | 68 (61) | 0.54 |
| Site: n (%) | 1.00 | |||
| Boston | 38 (33) | 38 (33) | 37 (33) | |
| Cleveland | 25 (22) | 25 (22) | 22 (20) | |
| Washington, DC | 23 (20) | 24 (21) | 21 (19) | |
| New York | 29 (25) | 29 (25) | 32 (29) | |
| Self-referred to study: n (%) | 81 (70) | 69 (59) | 70 (63) | 0.20 |
| More than 1 relative with AD: n (%)‡ | 48 (42) | 57 (49) | 49 (44) | 0.50 |
*
Plus-minus values are means ± standard deviations
†
Race was self-reported
‡
Including non-first degree relatives (e.g., grandparent or cousin).