Door-Through-Door Companion Rideshare Technology for Individuals With Alzheimer's Disease and Related Dementias (AD/ADRD)

The rate of missed medical appointments (No shows and same day cancellations).

The impact of the intervention on participants' quality of life (QOL), as measured every 3 months during the study period using the ICECAP-A (ICEpop CAPability measure for Adults) Wellbeing and Quality of Life scale.

ICECAP-A has the following five attributes, each of which can take one of four levels ranging from full capability to no capability, higher scores are better outcomes:

• Stability (being able to feel settled and secure)
• Attachment (being able to have love, friendship and support)
• Autonomy (being able to be independent)
• Achievement (being able to achieve and progress)
• Enjoyment (being able to have enjoyment and pleasure)

Participant acceptance of the ride offered.

The completion rate of rides scheduled, as measured by the number of ride "No Shows" relative to rides booked.

Rider satisfaction with the rides received as rated on a 5 point star scale with 1 star being the lowest rating and 5 stars being the highest.

Self reported unmet transportation needs as measured via surveys conducted every 3 months during the study period using Protocol for Responding to & Assessing Patients' Assets, Risks & Experiences (PRAPARE®) SDoH questionnaire transportation questions below.

In the past 12 months, has lack of reliable transportation kept you from medical appointments, meetings, work or from getting things needed for daily living? Yes No

Do you have trouble finding or paying for transportation? Yes No

Has the inability to get your medications or get to appointments for care ever resulted in an emergency room visit or required hospitalization? Yes No

Participant caregiver ratings of caregiver burnout as measured by a survey conducted every 3 months during the study period using the HealthinAging.org Caregiver Self Assessment. Source: HealthinAging.org - https://www.healthinaging.org/tools-and-tips/caregiver-self-assessment-questionnaire

The assessment asks 18 questions, 16 are Yes/No with scores over 10 "Yes" indicating burnout, and 2 on a 1-10 scale with scores over 6 indicating burnout.

Loneliness and Social Isolation will be measured every 3 months using the UCLA 3-Item Loneliness Scale.

• First, how often do you feel that you lack companionship: Hardly ever (1), some of the time (2), or often (3)?
• How often do you feel left out: Hardly ever (1), some of the time (2), or often (3)?
• How often do you feel isolated from others: Hardly ever (1), some of the time (2), or often (3)?

Scoring: Sum the total of all items. Higher scores indicate greater degrees of loneliness. Possible range of scores from 3 to 9. Researchers in the past have grouped people who score 3 - 5 as "not lonely" and people with the score 6 - 9 as "lonely".