Table 3. Results of multivariate linear regression analyses.
Variables | Adjusted R2 | Patient age | Patient sex | K-MMSE | CDR-SB | BADL | S-IADL | CGA-NPI | Caregiver age | Caregiver sex | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Coeff | p-value | Coeff | p-value | Coeff | p-value | Coeff | p-value | Coeff | p-value | Coeff | p-value | Coeff | p-value | Coeff | p-value | Coeff | p-value | ||
ZBI | 0.299 | −0.221 | <0.001 | 0.258 | <0.001 | 0.278 | <0.001 | 0.142 | 0.013 | 0.160 | 0.005 | ||||||||
CAS-K | 0.155 | −0.230 | <0.001 | −0.229 | <0.001 | 0.272 | <0.001 | ||||||||||||
BDI | 0.189 | −0.132 | 0.022 | 0.269 | <0.001 | 0.141 | 0.017 | ||||||||||||
Physical HRQoL | 0.214 | 0.195 | 0.001 | −0.395 | <0.001 | −0.196 | 0.001 | ||||||||||||
Mental HRQoL | 0.146 | 0.198 | 0.001 | 0.165 | 0.010 | −0.208 | 0.001 | −0.124 | 0.038 |
K-MMSE: Korean version of the Mini-Mental State Examination, CDR-SB: Clinical Dementia Rating Sum of Boxes, BADL: Barthel Activity of Daily Living, S-IADL: Seoul Instrumental Activities of Daily Living, CGA-NPI: Caregiver Administered Neuropsychiatric Inventory, ZBI: Zarit Burden Interview, CAS-K: Korean version of the Caregiver Activity Survey, BDI: Beck Depression Inventory, HRQoL: health-related quality of life, Coeff: coefficient.