Table 1 SPIRIT diagram displaying schedule of enrollment, interventions, and assessment

 Volunteer, PWD, and CG pre-eligibility screening checklist

X

 Informed consent

X

 Eligibility screen

X

 PWD Mini Mental Status Examination (MMSE)

X

 PWD Functional Assessment Staging Scale (FAST)

X

 Allocation (cluster)

X

 Volunteer recruitment and training

X

 PaM telehealth program (intervention)

X

X

X

X

X

X

 Enhanced usual care (control)

X

X

X

X

X

X

Person with Dementia (PWD)

X

 Demographics and characteristics

X

 Weight and mid-arm circumference (MAC)

X

X

X

X

X

X

X

 Edinburgh Feeding in Dementia Scale (EdFED) + extra behavioral questions

X

X

X

X

X

X

X

 Quality of Life in Alzheimer’s Disease (QOL-AD)

X

X

X

X

X

X

X

 Caloric intake (analyzed from pre and post photos of meals)

X

X

X

X

X

X

 Dysfunctional behaviors (analyzed from mealtime video recordings)

X

X

X

X

X

X

 Demographics and characteristics

X

 Dementia and Mealtime knowledge test (pre/post)

X

X

 C3P Self-efficacy for change (pre/post)

X

X

 Center for Epidemiological Studies – Depression Scale (CES-D)

X

X

X

X

X

X

X

 Zarit 12-item Burden Scale

X

X

X

X

X

X

X

 European Quality of Life (Euro-QL)

X

X

X

X

X

X

X

 Program satisfaction survey

X

 Semi-structured interview

X

 Demographics and characteristics

X

 Dementia and Mealtime knowledge test (pre/post)

X

 Training satisfaction survey

X

 C3P Self-efficacy for change (pre/post)

X

X

 Telehealth caregiver meeting logs

X

X

X

X

X

X

 Meal plan forms

X

X

X

X

X

X

 Program satisfaction survey

X

 Semi-structured interview

X

 Demographics and characteristics

X

 Program satisfaction survey

X

 Semi-structured interview

X