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Stepwise linear regression analysis according to the correlation of level of physical with dependent and independent variables.
| Dependent variables | Independent variables | R | |
| Alzheimer's dementia | CAMCOG | CDR and age | 0.81 |
| NPI-patient | NPI-caregiver | 0.95 | |
| Vascular dementia | MSQ | Physical activity | 0.60 |
| Mixed dementia | NPI-caregiver | WC | WC |
Legends: WC: Without correlation.
