Table 1.
Characteristics of BHR participants with and without study partners
| BHR participants with study partners | BHR participants without study partners | |
|---|---|---|
| Total N | 3584 | 4108 |
| Demographics | ||
| Age, mean ± SD | 66.6 ± 7.0 | 65.7 ± 7.0∗ |
| Female (%) | 2323 (64.8%) | 3106 (76.9%)∗ |
| Years education (mean ± SD) | 16.7 ± 2.2 | 16.1 ± 2.2∗ |
| Caucasian (%) | 3283 (91.6%) | 3602 (87.7%)∗ |
| Subjective memory concern | 2041 (57.0%) | 2273 (55.3%) |
| Self-report diagnosis | ||
| Completed medical history | 3478 | 3899∗ |
| Self-reported diagnosis of MCI | 433 (12.4%) | 301 (7.7%)∗ |
| Self-reported diagnosis of AD | 187 (5.4%) | 68 (1.7%)∗ |
| Dyad relationship | ||
| Spouses | 2851 (79.5%) | N/A |
| Years known (mean ± SD) | 36.72 ± 14.0 | N/A |
Abbreviations: AD, Alzheimer's disease; BHR, Brain Health Registry; MCI, mild cognitive impairment; SD, standard deviation.
NOTE. Diagnosed MCI and diagnosed AD are based on self-report of diagnosis in a BHR Medical History questionnaire.
Bold values indicate statistical significance of P < .001.
∗
P < .001 compared with participants with study partners.