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Table 3 Multivariable assessment of the effect of SRH on NH placement and death over 3-years’ follow-up

From: Poor self-rated health did not increase risk of permanent nursing placement or mortality in people with mild Alzheimer’s disease

  Model Ia Model IIb Model IIIc
  Hazard ratio 95 % CI χ2 P-value Hazard ratio 95 % CI χ2 P-value Hazard ratio 95 % CI χ2 P-value
Permanent NH placement                
SRH good 1    3.68 0.06 1    4.06 0.04 1    3.18 0.07
  poor 0.61 0.37 1.01 0.60 0.36 0.99 0.63 0.38 1.05
AICd 912.175 901.278    898.965†   
SBCd 956.207 942.602    950.012†   
Death                 
SRH good 1    0.05 0.82 1    0.32 0.57 1    0.58 0.45
  poor 1.08 0.58 1.99 1.20 0.64 2.23 1.28 0.67 2.45
AICd 549.708 533.353†    539.046   
SBCd 575.905 565.164†    578.341   
  1. aAdjusted for diagnosis, comorbidities, social participation, sex, age, marital status, education, randomisation group, and county
  2. b Adjusted for the variables included in Model 1 and additionally for depression, QOL-AD and ADCS-ADL
  3. cAdjusted for the variables included in model II and additionally for MMSE and insight
  4. dAIC and SBC based on data without missing values for all risk factors
  5. † Best model according to AIC and SBC over model I, II and III