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Table 3 Regression models of factors predicting self-rated Qol, proxy-rated QoL

From: Quality of life and factors affecting it in patients with Alzheimer’s disease: a cross-sectional study

  Beta coefficient R2 Adjusted R2 P value
Self-rated QoL
 Caregiver education .333 (p = .001)    
 ADL .252 (p = .006) .149 .122 <.010
 IADL .235 (p = .001)    
Proxy-rated QoL
 Caregiver education .237 (p = .009)    
 MMSE .400 (p = .001) .306 .260 <.010
 ADL .238 (p = .009)    
 IADL .443 (p = .001)    
 NPI -.402 (p = .001)    
 NPI-Distress -.404 (p = .001)    
  1. Note: Non-significant variables for self-rated QoL: MMSE, NPI, NPI-Distress
  2. Abbreviations: ADL Activities of Daily Living, IADL Instrumental ADL, MMSE Mini Mental State Examination, NPI Neuropsychiatric Inventory, QoL-AD Quality of Life in Alzheimer’s Disease, QoL-AD-SR QoL-AD Self-Rating, QoL-AD-PR QoL-AD Proxy Rating