Table 2.
(a) Incidence of functional disability (Long-term Care Insurance System (LTCI) Certification: any) stratified by Basic Checklist (BCL) domain. (b) Incidence of functional disability (LTCI Certification: severe) stratified by Basic Checklist (BCL) domain.
| (a) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Risk Factors | No Dysfunction at Baseline | Dysfunction at Baseline | Univariate Analysis | Multivariate Analysis c | ||||||||
| No. of Responses | LTCI Certification (Any) | No. of Responses | LTCI Certification (Any) | |||||||||
| No. of Subjects | % a | No. of Subjects | % b | No. of Subjects | % a | No. of Subjects | % b | Crude Hazard Ratio (HR) (95% CI) | p Value | Adjusted HR (95% CI) | p Value | |
| Physical function *1 | 901 | 77.7 | 163 | 18.1 | 258 | 22.3 | 117 | 45.3 | 3.09 (2.44–3.93) | <0.001 | 2.04 (1.54–2.69) | <0.001 |
| Nutrition *2 | 1156 | 99.7 | 280 | 24.2 | 3 | 0.3 | 0 | 0.0 | - | - | - | - |
| Oral function *3 | 958 | 82.7 | 217 | 22.7 | 201 | 17.3 | 63 | 31.3 | 1.45 (1.09–1.92) | 0.010 | 1.09 (0.81–1.48) | 0.563 |
| Homebound *4 | 957 | 82.6 | 203 | 21.2 | 202 | 17.4 | 77 | 38.1 | 2.04 (1.57–2.65) | <0.001 | 1.18 (0.85–1.65) | 0.318 |
| Cognitive functions *5 | 676 | 58.3 | 128 | 18.9 | 483 | 41.7 | 152 | 31.5 | 1.86 (1.47–2.35) | <0.001 | 1.37 (1.06–1.77) | 0.015 |
| Depressive moods *6 | 833 | 71.9 | 163 | 19.6 | 326 | 28.1 | 117 | 35.9 | 2.07 (1.63–2.62) | <0.001 | 1.60 (1.24–2.08) | <0.001 |
| (b) | ||||||||||||
| Risk Factors | No Dysfunction at Baseline | Dysfunction at Baseline | Univariate Analysis | Multivariate Analysis c | ||||||||
| No. of Responses | LTCI Certification (Severe) | No. of Responses | LTCI Certification (Severe) | |||||||||
| No. of Subjects | % a | No. of Subjects | % b | No. of Subjects | % a | No. of Subjects | % b | Crude HR (95% CI) | p Value | Adjusted HR (95% CI) | p Value | |
| Physical function *1 | 901 | 77.7 | 50 | 5.5 | 258 | 22.3 | 34 | 13.2 | 2.92 (1.89–4.52) | <0.001 | 2.11 (1.24–3.58) | 0.006 |
| Nutrition *2 | 1156 | 99.7 | 84 | 7.3 | 3 | 0.3 | 0 | 0.0 | - | - | - | - |
| Oral function *3 | 958 | 82.7 | 65 | 6.8 | 201 | 17.3 | 19 | 9.5 | 1.46 (0.87–2.43) | 0.149 | 1.03 (0.58–1.81) | 0.925 |
| Homebound *4 | 957 | 82.6 | 59 | 6.2 | 202 | 17.4 | 25 | 12.4 | 2.27 (1.42–3.63) | 0.001 | 1.38 (0.75–2.52) | 0.299 |
| Cognitive functions *5 | 676 | 58.3 | 36 | 5.3 | 483 | 41.7 | 48 | 9.9 | 2.07 (1.35–3.20) | 0.001 | 1.64 (1.01–2.65) | 0.046 |
| Depressive moods *6 | 833 | 71.9 | 48 | 5.8 | 326 | 28.1 | 36 | 11.0 | 2.15 (1.40–3.31) | 0.001 | 1.68 (1.04–2.72) | 0.035 |
a Ratio against all subjects (n = 1159) (%); b Ratio against the number of respondents (%); c Cox proportional hazard model adjusted for age, gender, IADL, disease under treatment and Social Domain as adjustable variables for each item above (every item) (Analyzed by Cox proportionate hazard model, “does not fall into category” is the standard); *1–6 We considered a domain to indicate “Dysfunction” if the responses were as follows: ‘Physical function’, ≥3 of 5 items; ‘Nutrition’, 2 of 2 items; ‘Oral function’, ≥2 of 3 items; ‘Homebound’, 1 of 1 item; ‘cognitive function’, ≥1 of 3 items; and ‘Depressive moods’, ≥2 of 5 items.