Table 3.
Regression models of factors predicting self-rated Qol, proxy-rated QoL
| 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) | |||
Note: Non-significant variables for self-rated QoL: MMSE, NPI, NPI-Distress
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