Table 2.
Predictors of Nursing Home Admission - Cox proportional hazards model ('enter' and 'forward stepwise' model)
| All variables in the model ('enter' method) | Significant variables sequentially entered in the model ('forward stepwise' method) | |||||
|---|---|---|---|---|---|---|
| Predictors | HR | CI 95% | p value | HR | CI 95% | p value |
| Age at baseline | 1.10 | 1.03-1.16 | 0.003 | 1.09 | 1.03-1.15 | 0.005 |
| Gender | 0.73 | 0.31-1.74 | 0.476 | - | - | - |
| Marital status (ref. = single) | ||||||
| married | 0.58 | 0.05-6.19 | 0.648 | - | - | - |
| divorced | 0.78 | 0.20-3.02 | 0.713 | |||
| widowed | 0.74 | 0.28-2.01 | 0.559 | |||
| Living situation (ref. = alone) | ||||||
| with spouse only | 0.32 | 0.04-2.75 | 0.297 | 0.31 | 0.13-0.72 | 0.006 |
| with others | 0.11 | 0.01-0.85 | 0.034 | 0.11 | 0.01-0.88 | 0.037 |
| Education (ref. = low) | ||||||
| middle | 1.33 | 0.60-2.94 | 0.480 | - | - | - |
| high | 1.73 | 0.57-5.23 | 0.334 | |||
| Self-rated health status (ref. = very low) | ||||||
| satisfying | 0.19 | 0.04-0.89 | 0.035 | - | - | - |
| good | 0.14 | 0.03-0.69 | 0.016 | |||
| Functional impairment (ADL/IADL score) | 3.01 | 1.12-8.13 | 0.030 | 3.08 | 1.28-7.44 | 0.012 |
| Cognitive Impairment (MMSE Score) | 0.81 | 0.69-0.94 | 0.006 | 0.84 | 0.74-0.97 | 0.015 |
| Major Depression | 9.91 | 2.02-48.55 | 0.005 | 8.68 | 1.91-39.52 | 0.005 |
| Stroke | 4.86 | 2.15-10.98 | 0.000 | 4.77 | 2.13-10.69 | 0.000 |
| Myocardial infarction | 2.07 | 1.14-3.77 | 0.017 | 2.20 | 1.29-3.77 | 0.004 |
| Diabetes | 0.68 | 0.30-1.57 | 0.370 | - | - | - |
| Number of GP visits | 0.95 | 0.63-1.42 | 0.789 | - | - | - |
| Number of specialists visits | 0.61 | 0.44-0.85 | 0.003 | 0.64 | 0.48-0.87 | 0.004 |
| Prior hospital use | 1.08 | 0.71-1.66 | 0.708 | - | - | - |
| Prior paid home help use | 2.19 | 0.91-5.27 | 0.079 | 2.42 | 1.05-5.58 | 0.038 |