Supporting Grounding with Objective Medication-taking Data Matthew L. Lee Philips Research Anind K. Dey Carnegie Mellon University

Custom Layout How would having objective account of medication-taking affect communication?

closure switches accelerometer microprocessor wireless radio

10 months 14 older adults

Presented data to six doctors Interviewed them about how these data would affect their practice Prompt: If you the patient were sitting here right now, what would you say?

Participant E.S. I see that her meds are pretty good, so I would talk to her more about her diet and sleep hygiene instead. - PCP Age 66, F Diabetes Cancer Bipolar disease

Participant S.K. I was worried about her more psychologically than physically, but this shows me that she is paying attention and this matches what she tells me. - Geriatrician Age 55, F COPD Depression

Participant E.N. If I had this, I would have had my nurse give him a call and schedule an appointment to find out whats going on. – PCP If I had the time to look at this, I would have asked him about it when he was in my office in December. - Oncologist Age 70, M Cancer (brain) High cholesterol

Objective sensor data can… focus attention on the right behaviors build trust (or distrust) in the patients self- reports act as a trigger for the optimal level of contact make the office encounter more collaborative

Considerations for designing data interventions Different stakeholders need different views of data Timeliness of data is critical Show data that is interpretable & actionable

Supporting Grounding with Objective Medication-taking Data Matthew L. Lee Philips Research Anind K. Dey Carnegie Mellon University