Table 1. Characteristics of study population by functional disability (Hisayama Study, 2005).
| All subjects (n = 1550) |
Subjects without disability (n = 1239) |
Subjects with disability (n = 311) |
P-valuea | |
| Age, mean ± SD | 75.8 ± 7.3 | 74.2 ± 6.3 | 82.1 ± 7.7 | <0.001 |
| Women, % | 61.1 | 58.2 | 72.7 | <0.001 |
| Current working status, % | <0.001 | |||
| Unemployed/retired/housewife | 73.1 | 68.9 | 90.4 | |
| Working | 26.9 | 31.1 | 9.6 | |
| Marital status, % | <0.001 | |||
| Never married | 2.5 | 2.2 | 3.5 | |
| Married | 63.4 | 68.6 | 42.8 | |
| Divorced/widowed/separated | 34.1 | 29.2 | 53.7 | |
| Living arrangement, % | 0.04 | |||
| Living alone | 10.9 | 10.1 | 14.2 | |
| Living with others | 89.1 | 89.9 | 85.8 | |
| Place of residence, % | <0.001 | |||
| Home | 91.6 | 99.3 | 60.5 | |
| Hospital | 5.2 | 0.6 | 23.8 | |
| Health care facility | 3.2 | 0.1 | 15.7 | |
| ADL disability level, % | ||||
| Slight dependence | 5.0 | — | 25.4 | |
| Moderate/severe dependence | 10.0 | — | 49.8 | |
| Total dependence | 5.1 | — | 24.8 |
aP value, comparison between subjects with and without disability.