Table 1.

Description of implementation outcomes.

Outcome and measure		Data source
Adoption
	For MAsa, we will assess: If the MAs completed the survey (yes or no) The percentage of times the MA sent a secure chat to the PCPc (yes or no) Assessment of MA participation For PCPs, we will assess: If the PCP interacted with the CDSd (yes or no) If the orders were placed from the order set (yes or no) If the PCP documented discussion of medication adherence with the patients. (yes or no) Assessment of PCP participation	EHRb Semistructured interviews
Acceptability
	We will ask MA and PCP about the acceptability of the intervention	In-person and email survey Semistructured interviews
Fidelity
	Chart review for documentation of discussions MA and PCP self-reported adherence For MAs, we will assess: The percentage of times that MAs completed the survey The percentage of times the MA sent a secure chat to the PCP For PCPs, we will assess: The number of times PCP interacted with the CDS The number of orders placed from the order set The percentage who documented discussion of medication adherence with the patients.	Chart review Semistructured interviews EHR
Cost
	Time spent by MAs and PCPs on intervention, multiplied by average salary	EHR Public salary data
Sustainability
	Evaluate outcomes at 18 months Identify factors that influence sustainability and integration	EHR data Semistructured interviews

^aMA: medical assistant.

^bEHR: electronic health record.

^cPCP: primary care provider.

^dCDS: clinical decision support.