Table 5. Baseline characteristics of participants compared to those lost to follow-up (percentages).
| Participants | Died or institutionalized | Lost to follow-up for other reasons | |
| Variable | (n = 644)† | (n = 37)† | (n = 109)† |
| Age, y, median (IQR) | 75 (72–80) | 82 (77–88) *** | 75 (72–80) |
| Female | 55.7 | 67.6 | 58.7 |
| Born in the Netherlands | 88.3 | 81.1 | 69.7 *** |
| Socioeconomic status low (≤1SD) | 29.5 | 48.6 * | 46.2 ** |
| Living situation independent | 93.5 | 77.1 *** | 92.6 * |
| Modified Katz (I)ADL (15 items) | |||
| 0 | 60.1 | 15.2 *** | 43.5 *** |
| 1–2 | 21.1 | 27.3 | 15.7 |
| ≥3 | 18.8 | 57.6 | 40.7 |
| Multimorbidity, ≥2 comorbidities | 62.6 | 78.4 | 64.2 |
| Depressive symptoms (GDS-2)** | 13.3 | 40.6 *** | 21.4 * |
| Self-reported memory problems | 14.8 | 32.4 ** | 19.0 |
| Polypharmacy (≥3) | 59.7 | 76.5 | 58.3 |
| Self-reported health status worse compared to 1 year ago | 26.7 | 56.8 *** | 39.3 * |
| Hindrance of social activities constant | 10.9 | 42.4 *** | 22.7 *** |
†
Values are percentages unless otherwise noted.
The Mann-Whitney U test was used for continuous variables. The chi-square test was used for binary or ordinal variables.
*p≤0.05.
**p≤0.01.
***p≤0.001 compared to respondents. Significant differences are marked in bold.