Table 1.

Data collection strategy by sample and assessment domains.

Data Collection Strategy	Sample	Illustrative Domains
Key informant interviews with policy and program stakeholders (in person, 1 hour)	Policy and program stakeholders engaged in TPT services (e.g., policy makers, donors, and implementers)	-Familiarity with/understanding of TPT -Familiarity with DSD -Feasibility of providing TPT through CARGs -TPT implementation, monitoring and drug dispensing through CARGs -Needs for providing TPT through CARGs -Integration of other health services into CARGs
Key informant interviews with CARG leaders (in person, 1 hour)	CARG leaders at 7 health facilities	-Familiarity with/understanding of TPT -Experience as CARG leaders -Current CARG activities -Feasibility of providing TPT through CARGs -TPT implementation, monitoring, and drug dispensing through CARGs -Needs for providing TPT through CARGs -Integration of other health services into CARGs
Focus group discussions (in person, 90 min)	CARG members at 7 health facilities (6–10 participants per group)	-Familiarity with/ understanding of TB and TPT -Experience in CARGs -Feasibility of providing TPT through CARGs -TPT implementation, monitoring and drug dispensing through CARGs -Needs for providing TPT through CARGs -Integration of other health services into CARGs
CARG observations/time-motion study (30–75 min)	Observations of CARGs at the 7 health facilities using a structured observation checklist	- Key activities undertaken during CARG meeting: Individual health check-in Follow-up on health problems Support for new problems Adherence assessment Screening for TB symptoms -Documentation of activities -Amount of time spent on each activity -Challenges and successes