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Study participant demographics at baseline
| Characteristic | Normal cognitive function (N = 851) | Mild cognitive impairment (N = 204) | Moderate to severe cognitive impairment (N = 51) | χ2 | p |
|---|---|---|---|---|---|
| Age (y) | 43.20 | < 0.001 | |||
| 65-75 | 571 (67.1%) | 91 (44.61%) | 22 (43.14%) | ||
| 76-86 | 280 (32.9%) | 113 (55.39%) | 29 (56.86%) | ||
| Gender | 49.32 | < 0.001 | |||
| Male | 408 (47.94%) | 149 (73.04%) | 37 (72.55%) | ||
| Female | 443 (52.06%) | 55 (26.96%) | 14 (27.45%) |
