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Participant characteristics at baseline.
| Frequency | Percent | Mean | SD | ||
|---|---|---|---|---|---|
| N | 20 | 100 | |||
| Mean age | 20 | – | 80.5 | 6.3 | |
| Mean MMSE | 17 | – | 21.4 | 2.9 | |
| Marital status | n/a | 1 | 5 | ||
| Married | 6 | 30 | |||
| Single | 1 | 5 | |||
| Widowed | 12 | 60 | |||
| Self-rated health | Excellent | 1 | 5 | ||
| Very good | 6 | 30 | |||
| Good | 13 | 65 | |||
| Fair | 0 | 0 | |||
| Poor | 0 | 0 | |||
| MMSE cognitive impairment category | n/a | 3 | 15 | ||
| None/limited | 5 | 25 | |||
| Mild | 11 | 55 | |||
| Severe | 1 | 5 |
