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Demographic characteristics of the three groups
| Sex (M:F) | Age (mean, (SD)) | Living alone (%) | |
|---|---|---|---|
| Group 1 |
Male 9 |
81.3 (1.2) |
(60.9) |
| |
Female 7 |
83.4 (1.7) |
|
| Group 2 |
Male 8 |
83.2 (3.1) |
(43.8) |
| |
Female 8 |
83.1 (2.6) |
|
| Group 3 |
Male 10 |
83.4 (2.3) |
(50.0) |
| Female 13 | 83.4 (2.7) |
