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Table 2 Logistic regression (Enter) awareness of own heart failure HF coded as 1

From: Self-awareness of heart failure in the oldest old–an observational study of participants, ≥ 80 years old, with an objectively verified heart failure

  Model 1 (n = 88) Model 2 (n = 68)
  OR P-value 95 % CI OR P-value 95 % CI
    Lower Upper    Lower Upper
Age - - -   0.915 0.306 0.772 1.085
Gender         
 Male - - -   0.830 0.838 0.139 4.943
Education         
 >9 years - - -   1.938 0.409 0.403 9.315
Living arrangements         
 Living Alone - - -   0.393 0.311 0.065 2.396
Cognitive ability         
 Normal (reference category) - - -    0.391   
 Mild Impairment - - -   2.312 0.273 0.516 10.362
 Moderate/Severe - - -   4.467 0.214 0.421 47.445
Activity in daily life         
 Excellent ability (reference category) - - -    0.572   
 Mild Impairment - - -   2.381 0.366 0.364 15.591
 Moderate Impairment - - -   0.654 0.689 0.082 5.221
 Severe Impairment - - -   2.532 0.348 0.363 17.651
 Total Impairment - - -   0.692 0.761 0.064 7.449
Risk of Depression         
 Absence of risk - - -   1.315 0.725 0.287 6.033
Time-span between diagnosis-survey         
 Months 0.963 0.083 0.924 1.005 0.966 0.204 0.915 1.019
Functional capacity         
 NYHA I 1.627 0.363 0.570 4.647 1.130 0.864 0.278 4.595
  1. Results are presented as odds ratios (OR) with 95 % confidence intervals (CI). In model 1 only HF-related factors were included, while in model 2 both HF- and age-related factors were included
  2. Hosmer-Lemeshow chi-square test: Model 1 = 0.229; Model 2 = 0.625
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