Table 3.

Adjusted hazard ratios (HR) and their 95% confidence intervals (95% CI) of predictive factors for institutionalization among frail community-dwelling older subjects (n = 1134)

	HR	95% CI	p value
Age (years)
85–94 vs. 75–84	1.26	0.98–1.61	0.070
≥ 95 vs. 75–84	1.65	1.03–2.62	0.036
Women vs. men	1.30	0.97–1.76	0.080
Living alone vs. living with someone	0.91	0.69–1.21	0.519
Home care vs. no home care	2.43	1.80–3.27	< 0.001
The number of falls during the previous 12 months
1 vs. 0	1.21	0.84–1.72	0.306
≥ 2 vs. 0	1.54	1.10–2.16	0.012
Use of walking aid vs. no walking aid	0.91	0.71–1.16	0.428
Diseases (yes vs. no)
Kidney diseasea	0.93	0.74–1.17	0.532
Dementiab	2.38	1.90–2.98	< 0.001
Thyroid diseasec	1.24	0.94–1.64	0.122
Chronic lung diseased	0.76	0.54–1.08	0.125
Malignant tumore	0.84	0.58–1.22	0.356

Bold values indicate factors significantly associated with institutionalization

ICD-10-codes: ^aN17–N19 or glomerular filtration rate < 45, ^bF00–F01 and G30, ^cE00–E07, ^dJ40–J47, ^eC00–C97