Table 1.

List of measures.

Domain and measure		Data source(s)
Reach
	Number of Seva patients (eligible, enrolled)	EHRa, patient surveys
	Characteristics of participating patients	Patient surveys
Effectiveness
	Substance use	Patient surveys
	QoLb	Patient surveys
	Health care utilization (hospitalizations, ERc visits, specialty addiction treatment)	Patient surveys
	HIV testing rates	Patient surveys
	HIV risk behaviors	Patient surveys
Adoption
	Characteristics of participating clinics	Clinic administrative data
	Use of Seva by staff (including referrals)	Seva server files, referral tracking logs maintained by clinic staff
	Use of Seva by patients	Seva server files
Implementation
	Stages of Implementation Completion	Project tracking logs maintained by research team
	Implementation and operating costs	Observation and interviews of clinic staff; project administrative data
Maintenance
	6-month follow-up on effectiveness measures	Patient surveys
	Patient use of Seva at 12 months	Seva server files

^aEHR: electronic health record.

^bQoL: quality of life.

^cER: emergency room.