Table 4.
Factors associated with serious injury related to falls.
| Variables | Coeff | SE | Wald | p | OR | 95% CI | |
|---|---|---|---|---|---|---|---|
| Lower | Upper | ||||||
| Lower extremities weakness | 0.391 | 0.377 | 1.079 | 0.299 | 1.479 | 0.707 | 3.095 |
| Surgery during hospitalization | −0.691 | 0.646 | 1.146 | 0.284 | 0.501 | 0.141 | 1.776 |
| Taking anticoagulant/ antiplatelet drugs |
0.833 | 0.364 | 5.222 | 0.022 | 2.299 | 1.126 | 4.696 |
| Caregiver presence | 0.563 | 0.367 | 2.359 | 0.125 | 1.756 | 0.856 | 3.603 |
| History of falling | 0.641 | 0.417 | 2.364 | 0.124 | 1.899 | 0.839 | 4.299 |
| Environmental factor | 0.378 | 0.206 | 3.361 | 0.067 | 1.460 | 0.974 | 2.187 |
Coeff = coefficient; CI = confidence interval; OR = odds ratio; Hosmer–Lemeshow (goodness-of-fit test) χ2 = 8.015, p=0.331; Nagelkerke R2 = 0.106, correct classification (%) = 86.8%.