Table 2 Age adjusted univariate and multivariate logistic regression analysis demonstrating institutionalization at 1 year after hip fracture
Age-adjusted univariate n = 584 | Multivariate n = 472 | |||||||
|---|---|---|---|---|---|---|---|---|
Variable | n | OR (95 % CI) | P | n | OR (95 % CI) | P | ||
Living arrangements at 1 months | ||||||||
Own home or assisted living accommodation | 260 | 1.00 | 219 | 1.00 | ||||
Institution a | 324 | 3.81 | (2.34–6.16) | <0.001 | 253 | 1.56 | (0.67–3.63) | 0.304 |
Living arrangements at 4 months | ||||||||
Own home or assisted living accommodation | 463 | 1.00 | 393 | 1.00 | ||||
Institution a | 121 | 33.24 | (19.39–56.00) | <0.001 | 79 | 16.26 | (7.37–35.86) | <0.001 |
IADL | 487 | 2.54 | (2.00–3.22) | <0.001 | ||||
5–8 | 199 | 1.00 | 197 | 1.00 | ||||
0–4 | 288 | 73.11 | (10.03–532) | <0.001 | 275 | 12.96 | (1.62–103.9) | 0.016 |
MMSE | 1.22 | (1.16–1.27) | <0.001 | |||||
20–30 | 305 | 1.00 | 197 | 1.00 | ||||
0–19 | 180 | 9.00 | (4.93–16.43) | <0.001 | 175 | 4.19 | (1.82–9.66) | 0.001 |
Age | ||||||||
65–74 | 87 | 1.00 | 78 | 1.00 | ||||
75–85 | 268 | 3.49 | (1.45–8.41) | 0.005 | 221 | 1.12 | (0.31–4.11) | 0.865 |
> 85 | 229 | 5.47 | (2.27–13.14) | <0.001 | 173 | 1.29 | (0.35–4.71) | 0.915 |
Mobility aids before fracture | ||||||||
Mobile without an aid | 258 | 1.00 | ||||||
Mobile with an aid | 320 | 1.23 | (0.78–1.89) | 0.360 | ||||
Unable to ambulate | 6 | 5.03 | (0.93–27.14) | 0.061 | ||||
Mobility level before fracture | ||||||||
Unassisted outdoors | 393 | 1.00 | 343 | 1.00 | ||||
Assisted outdoors | 63 | 6.18 | (3.41–11.21) | <0.001 | 46 | 1.39 | (0.53–3.65) | 0.510 |
Unassisted indoors | 108 | 4.27 | (2.56–7.11) | <0.001 | 68 | 0.93 | (0.37–2.34) | 0.879 |
Assisted indoors | 13 | 8.23 | (2.61–25.98) | <0.001 | 8 | 0.96 | (0.14–6.53) | 0.968 |
Unable to move | 7 | 12.04 | (2.53–57.23) | 0.002 | 7 | 0.89 | (0.11–7.04) | 0.914 |
Previous living arrangements | ||||||||
Own home | 298 | 1.00 | 256 | 1.00 | ||||
Own home with organized home care | 193 | 2.74 | (1.65–4.55) | <0.001 | 153 | 1.14 | (0.48–2.76) | 0.764 |
Assisted living accommodation | 98 | 6.16 | (3.51–10.81) | <0.001 | 63 | 1.17 | (0.40–3.40) | 0.777 |
Living with somebody | ||||||||
Yes | 325 | 1.00 | 253 | 1.00 | ||||
No | 259 | 0.51 | (0.34–0.78) | 0.002 | 219 | 0.79 | (0.33–1.87) | 0.589 |
ASA grade | ||||||||
1–2 | 95 | 1.00 | 79 | 1.00 | ||||
3 | 386 | 2.87 | (1.32–6.20) | 0.008 | 319 | 1.14 | (0.33–3.97) | 0.834 |
4–5 | 99 | 2.10 | (0.86–5.12) | 0.103 | 74 | 0.24 | (0.05–1.13) | 0.071 |
Medications on admission | ||||||||
< 4 medicine | 135 | 1.00 | 108 | 1.00 | ||||
4–10 medicine | 366 | 1.76 | (1.03–3.03) | 0.040 | 297 | 1.01 | (0.38–2.69) | 0.991 |
> 10 medicine | 83 | 2.06 | (1.03–4.12) | 0.041 | 67 | 1.72 | (0.48–6.18) | 0.406 |
Previous fracture of any bone | ||||||||
Yes | 182 | 1.00 | ||||||
No | 402 | 0.93 | (0.60–1.43) | 0.732 | ||||
Gender | ||||||||
Female | 456 | 1.00 | ||||||
Male | 128 | 0.94 | (0.59–1.63) | 0.871 | ||||
Hip fracture type | ||||||||
Femoral neck fracture | 380 | 1.00 | ||||||
Pertrochanteric fracture | 180 | 0.95 | (0.61–1.47) | 0.819 | ||||
Subtrochanteric fracture | 24 | 1.05 | (0.37–2.97) | 0.930 | ||||