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Table 2 Predictors of fall-related hospitalisations within 90 days of entry into permanent residential aged carea

From: The risk of fall-related hospitalisations at entry into permanent residential aged care

Variables sHR 95%CI P-value
Time trend, years 1.06 1.03–1.09 < 0.001
Age (per 1 year increment) 1.02 1.02–1.03 < 0.001
Men vs Women 1.16 1.02–1.30 0.028
History of Fractures (yes vs no) 1.87 1.63–2.15 < 0.001
History of Falls (yes vs no) 1.41 1.21–1.64 < 0.001
Dementia (yes vs no) 1.39 1.22–1.57 < 0.001
Delirium (yes vs no) 1.28 1.02–1.61 0.033
Rx-Risk-V Co-morbidity Category
 2–3 vs 0–1 1.10 0.82–1.46 0.530
 4–5 vs 0–1 1.29 0.97–1.71 0.080
 6–8 vs 0–1 1.20 0.89–1.63 0.240
 9+ vs 0–1 1.28 0.91–1.79 0.160
Medications Sedative Load Rating Category
 1–2 vs 0 0.93 0.75–1.14 0.460
 3+ vs 0 1.11 0.95–1.30 0.170
Vitamin K Antagonists (ATC code B01AA) (yes vs no) 1.33 1.12–1.59 0.001
SSRI (ATC code N06AB) (yes vs no) 1.21 1.03–1.42 0.020
Activities of Daily Living Level
 No or minimal vs Severe impairment 2.24 0.76–6.56 0.140
 Mild vs Severe impairment 1.19 0.80–1.76 0.400
 Moderate vs Severe impairment 1.06 0.88–1.28 0.520
Behavioural Daily Living Level
 No or minimal vs Severe impairment 0.91 0.66–1.24 0.530
 Mild vs Severe impairment 0.76 0.64–0.90 0.002
 Moderate vs Severe impairment 0.88 0.74–1.04 0.120
Mobility Rating
 A best vs D worst 0.46 0.24–0.88 0.019
 B vs D worst 0.59 0.41–0.86 0.005
 C vs D worst 0.67 0.54–0.84 0.001
Toileting Rating
 A best vs D worst 0.70 0.42–1.14 0.150
 B vs D worst 0.67 0.47–0.97 0.032
 C vs D worst 0.97 0.78–1.19 0.740
Cognitive Rating
 A best vs D worst 0.59 0.47–0.74 < 0.001
 B vs D worst 0.72 0.60–0.86 < 0.001
 C vs D worst 0.78 0.68–0.89 < 0.001
Depression and Dysthymia Rating
 A best vs D worst 0.97 0.80–1.17 0.760
 B vs D worst 1.01 0.82–1.23 0.950
 C vs D worst 1.20 0.97–1.49 0.088
Number of unplanned hospitalisations (year prior)
 1 vs 0 1.03 0.86–1.25 0.720
 2–4 vs 0 1.04 0.86–1.26 0.710
 5+ vs 0 1.27 0.97–1.65 0.083
Number of ED Presentations (year prior)
 1 vs 0 1.03 0.86–1.24 0.740
 2–4 vs 0 1.36 1.11–1.67 0.003
 5+ vs 0 1.21 0.90–1.63 0.210
Number of GP Attendances (year prior)
 1–5 vs 0 2.34 1.15–4.78 0.019
 6–15 vs 0 2.93 1.42–6.03 0.004
 16+ vs 0 3.31 1.58–6.93 0.002
  1. sHR Subdistribution hazard ratio, CI Confidence intervals, GP General practitioners, ATC Anatomical, Therapeutic and Chemical classification codes, ED Emergency department, MBS Medicare Benefits Schedule, SSRI Selective serotonin reuptake inhibitor
  2. aN = 30,871 included in models. 1445 (4.5%) of cohort not included due to missing data