Table 2.
Hazard ratios and 95% confidence intervals for disability incidence in the crude and adjusted models for 24 months per the raw NCGG-ADL score (N = 2708).
| Crude Model | Adjusted Model | ||||||
|---|---|---|---|---|---|---|---|
| HR | 95% CI | p | HR | 95% CI | p | ||
| NCGG-ADL score | (points) | 0.79 | 0.73–0.86 | <0.001 | 0.84 | 0.77–0.92 | <0.001 |
| Age | (years) | 1.14 | 1.11–1.17 | <0.001 | |||
| Female | (yes) | 1.39 | 1.07–1.80 | 0.014 | |||
| Body mass index | (kg/m2) | 0.97 | 0.94–1.01 | 0.179 | |||
| Education | (years) | 1.01 | 0.97–1.06 | 0.632 | |||
| Hypertension | (yes) | 1.04 | 0.82–1.33 | 0.724 | |||
| Diabetes mellitus | (yes) | 1.21 | 0.87–1.67 | 0.259 | |||
| Heart disease | (yes) | 1.31 | 1.00–1.71 | 0.052 | |||
| Parkinson’s disease | (yes) | 1.75 | 0.43–7.07 | 0.435 | |||
| Stroke | (yes) | 1.15 | 0.76–1.75 | 0.503 | |||
| Depression | (yes) | 0.98 | 0.54–1.80 | 0.952 | |||
| Living alone | (n, %) | 0.82 | 0.61–1.11 | 0.199 | |||
| Fall history | (n, %) | 1.28 | 0.98–1.66 | 0.066 | |||
| Mild cognitive impairment | (n, %) | 1.53 | 1.12–2.08 | 0.008 | |||
HR, hazard ratio; CI, confidence interval; IADL, instrumental activities of daily living; NCGG-ADL, the National Center for Geriatrics and Gerontology Activities of Daily Living scale.