Table 1.
Descriptive Statistics over Time (Follow-Up Waves 2–5)
| Variables | Follow-Up Wave 2 (n = 2364) | Follow-Up Wave 3 (n = 1827) | Follow-Up Wave 4 (n = 1453) | Follow-Up Wave 5 (n = 1174) |
|---|---|---|---|---|
| Age: Mean (SD) | 82.5 (3.4) | 83.9 (3.3) | 85.2 (3.2) | 86.7 (3.0) |
| Female: N (%) | 1556 (65.8) | 1203 (65.9) | 963 (66.3) | 790 (67.3) |
| Education: N (%) | ||||
| Low Education | 1431 (60.5) | 1092 (59.8) | 838 (57.7) | 665 (56.6) |
| Middle Education | 656 (27.8) | 517 (28.3) | 438 (30.1) | 356 (30.3) |
| High Education | 277 (11.7) | 218 (11.9) | 177 (12.2) | 153 (13.0) |
| Unmarried: N (%) | 1449 (61.4) | 1193 (65.4) | 966 (66.5) | 832 (70.9) |
| Living alone in private household: N (%) | 1216 (51.4) | 959 (52.5) | 773 (53.2) | 606 (51.6) |
| Comorbidity (Weighted count score): Mean (SD) | 4.5 (3.8) | 4.4 (3.7) | 4.5 (3.8) | 3.9 (3.7) |
| Functional status (IADL): Mean (SD) | 6.8 (1.7) | 6.8 (1.7) | 6.6 (1.8) | 6.3 (2.0) |
| HRQoL (EQ-VAS): Mean (SD) | 65.5 (17.9) | 64.8 (17.5) | 64.3 (17.5) | 62.9 (18.9) |
| Depressive symptoms (Geriatric Depression Scale): Mean (SD) | 2.5 (2.5) | 2.4 (2.3) | 2.5 (2.4) | 2.7 (2.5) |
| Social engagement: N (%) | ||||
| No social engagement | 2031 (86.0) | 1662 (91.4) | 1318 (91.2) | 1090 (93.6) |
| Once a week | 175 (7.4) | 85 (4.7) | 69 (4.8) | 41 (3.5) |
| Several times a week | 116 (4.9) | 54 (3.0) | 40 (2.8) | 25 (2.1) |
| Daily social engagement | 39 (1.7) | 16 (0.9) | 17 (1.2) | 8 (0.7) |