Between-Group Change in Caregiver Measures*, Baseline to 18 Weeks.

ADCS-ADL, Alzheimer’s Disease Cooperative Study—Activities of Daily Living scale; QOL-AD, Quality of Life in Alzheimer’s Disease; NPI-FS, Neuropsychiatric Inventory—frequency*severity subscale; NPI-CD, Neuropsychiatric Inventory—caregiver distress subscale; CBI, Caregiver Burden Inventory.a: higher scores better;b: lower scores better.*Means (SD).**Effect size calculated by subtracting mean change in Group 1 from mean change in Group 2 and dividing by the pooled baseline standard deviation; + values favor PLIÉ, and − values favor Usual Care. Bolded effect sizes favor PLIÉ and were ≥ 0.25.Between-Group Change in Caregiver Measures*, Baseline to 18 Weeks.