Table 1.

Domains and Measures of the Adherence Rationale Construct

Construct	Domain	Interview questions
Adherence rationale	Decision to initiate ART	Why did you decide to start taking HAART?
		Has there been a “turning point” in your HIV experience—event or experience that changed the way you live with HIV?
	Model of ART interaction with HIV	How does HIV work?
		How does ART work?
		Do you believe that HIV's still there even if your viral load is low?
		Have you ever given yourself a drug holiday? If so, why did you do this?
		Do you need to take ART in the way your doctor told you to for it to work? Why or why not?
		How often do you have to take your medication to be satisfied you are doing a good job?
	Ongoing adherence problem solving	Is it OK to adjust your ART medication yourself?
		Does your body tell you when to take your medication?
		Have you recently missed one or more doses of medication? How do you explain this?
	Adherence metaphors	Sticking to my medication schedule is like….

ART, antiretroviral therapy; HAART, highly active antiretroviral therapy.