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Table 4 Predictors of mortality (demographics and comorbidities) after hip fracture (persons with previous fractures excluded)

From: Comparison of predictors of hip fracture and mortality after hip fracture in community-dwellers with and without Alzheimer’s disease – exposure-matched cohort study

Risk factor Category AD cohort Non-AD cohort
Mortality/ 100 PY Unadjusted HR
(95% CI)
Adjusted HRa
(95% CI)
Mortality/ 100 PY Unadjusted HR
(95% CI)
Adjusted HRa
(95% CI)
Age at baseline, increase per year    1.04 (1.03–1.05) 1.05 (1.05–1.06) N.A 1.07 (1.06–1.09) 1.08 (1.07–1.10)
Sex Men 25.1 1.00 (reference) 1.00 (reference) 19.4 1.00 (reference) 1.00 (reference)
  Women 47.7 1.90 (1.74–2.08) 2.09 (1.90–2.29) 39.3 2.06 (1.79–2.36) 2.43 (2.10–2.80)
Highest occupational social class before follow-up Managerial/professional 29.9 1.00 (reference) 1.00 (reference) 23.4 1.00 (reference) N.A
Office worker 25.6 0.85 (0.72–1.01) 1.02 (0.86–1.21) 20.7 0.88 (0.66–1.16)  
Farming/forestry 30.6 1.02 (0.89–1.17) 1.01 (0.88–1.15) 23.0 0.97 (0.78–1.21)  
Sales/industry/cleaning 29.6 0.99 (0.88–1.11) 1.05 (0.93–1.18) 23.7 1.00 (0.83–1.22)  
Unknown 28.8 0.96 (0.83–1.12) 1.04 (0.89–1.21) 24.5 1.05 (0.82–1.34)  
  Did not respond 25.7 0.86 (0.55–1.33) 1.03 (0.67–1.61) 23.3 0.97 (0.48–1.98)  
Hip replacement No 29.36 1.00 (reference) 1.00 (reference) 23.38 1.00 (reference) 1.00 (reference)
  Yes 21.85 0.74 (0.49–1.13) 0.68 (0.45–1.04) 20.36 0.86 (0.46–1.61) 1.22 (0.65–2.29)
Knee replacement No 29.62 1.00 (reference) 1.00 (reference) 23.47 1.00 (reference) 1.00 (reference)
Yes 19.88 0.67 (0.52–0.87) 0.73 (0.56–0.95) 18.83 0.80 (0.51–1.24) 0.88 (0.56–1.38)
Cardiovascular disease No 26.5 1.00 (reference) 1.00 (reference) 20.2 1.00 (reference) 1.00 (reference)
  Yes 32.1 1.21 (1.12–1.32) 1.19 (1.10–1.29) 26.0 1.28 (1.12–1.47) 1.31 (1.15–1.50)
Stroke No 28.7 1.00 (reference) 1.00 (reference) 22.3 1.00 (reference) 1.00 (reference)
  Yes 36.8 1.28 (1.12–1.47) 1.19 (1.03–1.37) 37.9 1.70 (1.38–2.09) 1.67 (1.35–2.06)
Diabetes No 28.7 1.00 (reference) 1.00 (reference) 23.3 1.00 (reference) 1.00 (reference)
  Yes 33.3 1.16 (1.03–1.31) 1.22 (1.08–1.38) 23.9 1.03 (0.85–1.24) 1.17 (0.96–1.42)
Asthma/COPD No 28.9 1.00 (reference) 1.00 (reference) 23.5 1.00 (reference) 1.00 (reference)
  Yes 33.4 1.16 (1.01–1.33) 1.17 (1.02–1.34) 22.2 0.93 (0.74–1.17) 1.04 (0.83–1.31)
Cancer treatment No 29.3 1.00 (reference) 1.00 (reference) 23.3 1.00 (reference) 1.00 (reference)
Yes 23.6 0.81 (0.52–1.24) 0.88 (0.57–1.35) 26.4 1.12 (0.68–1.83) 1.63 (0.99–2.68)
Any mental or behavioural disorder No 28.2 1.00 (reference) 1.00 (reference) 22.8 1.00 (reference) 1.00 (reference)
Yes 31.6 1.12 (1.03–1.22) 1.18 (1.08–1.29) 28.1 1.25 (1.02–1.54) 1.28 (1.04–1.58)
  1. aAdjusted for occupational social class
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