Table 1.

Summary of domains and constructs interview guide questions.

Domain	Construct	Definition	Interview Guide Questions
Intervention characteristics	Adaptability	The degree to which an intervention can be adapted, tailored, or refined to meet local needs.	• Please list the top 3 iTRACC intervention components that you feel should not be altered and why.
			• Please list the top 3 most important changes you think need to be made to the iTRACC intervention and why.
			Please list the top 3 ways that the intervention influenced the care of your pediatric asthma patients and why.
			• How well do you think the intervention met the needs of patient and families served by your clinic?
			• Satisfaction using the Web portal, receiving emails and calling patients when receiving asthma notifications
	Relative Advantage	Stakeholders’ perception of the advantage of implementing the intervention versus an alternative solution.	• What are other programs or changes have your clinic made to improve pediatric asthma care and how does iTRACC compare to those?
	Complexity	Perceived difficulty of the intervention, such as scope, disruptiveness, and number of steps required to implement.	• How does iTRACC fit with your existing work processes and practices in your clinic?
Inner setting	Readiness for Implementation	Indicators of organizational commitment to its decision to implement an intervention, such as access to information and available resources.	• What kind of clinic-level changes will need to happen for an intervention like iTRACC to become routine care?
			• If the intervention were routine in your clinic, who on the clinical team would be most ideal for responding to notifications about their adherence to ICS?
			• And for notifications about albuterol use?
Characteristics of individuals	Knowledge and beliefs about the intervention.	Individuals’ attitudes toward and value placed on the intervention.	• Please share up to 5 expectations you had for the intervention and whether your expectation was met and why
			• Satisfaction using the Web portal, receiving emails and calling patients when receiving asthma notifications
	Self-efficacy	Individual belief in their own capabilities to achieve implementation goals.	• Rate how confident you were following components (e.g. using the Web portal and calling patients when receiving asthma notifications) of iTRACC from 0 to 5, with 0 being “very unconfident,” and 5 “very confident.” & why you gave that score.