Table 2.
Characteristics of participants in follow-up surveys by disengagement levels (N = 3262).
| Zero-level (n = 2381) | Low-level (n = 462) | Middle-level (n = 234) | High-level (n = 84) | Highest-level (n = 101) | |
|---|---|---|---|---|---|
| Sex, n (%) | |||||
| Male | 1062 (44.6%) | 207 (44.8%) | 107 (45.7%) | 38 (45.2%) | 40 (39.6%) |
| Female | 1319 (55.4%) | 255 (55.2%) | 127 (54.3%) | 46 (54.8%) | 61 (60.4%) |
| Age, years, mean [SD] | 74.8 [5.3] | 75.7 [5.6] | 75.7 [5.6] | 78.1 [5.8] | 76.3 [5.6] |
| Self-rated health, n (%) | |||||
| Healthy | 1773 (74.5%) | 320 (69.3%) | 159 (67.9%) | 41 (48.8%) | – |
| Not healthy | 425 (17.8%) | 101 (21.9%) | 69 (29.5%) | 28 (33.3%) | |
| Missing data | 183 (7.7%) | 41 (8.9%) | 6 (2.6%) | 15 (17.9%) | |
| Frequency of going outdoor, n (%) | |||||
| Twice a week or more | 2125 (89.2%) | 386 (83.5%) | 193 (82.5%) | 55 (65.5%) | – |
| Once a week or less | 163 (6.8%) | 52 (11.3%) | 37 (15.8%) | 14 (16.7%) | |
| Missing data | 93 (3.9%) | 24 (5.2%) | 4 (1.7%) | 15 (17.9%) | |
| Follow-up, months, mean [SD] | 91.8 [13.3] | 92.5 [12.1] | 91.2 [12.8] | 86.0 [16.5] | 85.2 [18.6] |
| Follow-up status, n (%) | |||||
| Survived | 1796 (84.3%) | 338 (84.5%) | 160 (76.9%) | 45 (62.5%) | 56 (70.0%) |
| Died | 212 (10.0%) | 43 (10.8%) | 31 (14.9%) | 21 (29.2%) | 17 (21.3%) |
| Censoreda | 122 (5.7%) | 19 (4.8%) | 17 (8.2%) | 6 (8.3%) | 7 (8.8%) |
IADL Instrumental Activities of Daily Living, SD standard deviation.
aCensored participants included those who moved away and refused to respond to the surveys during the follow-up period.