Table 3.

Categories and themes identified during codebook thematic analysis

S.N.	Themes	Categories
1.	Trust in drones underpins successful use for TB diagnosis	1.1	Seeing drones physically and understanding their uses build trust
		1.2	Prior knowledge of the use of drones determined trust
		1.3	Information on drone use develops trust in TB interventions
2.	Drone-based sample transport optimised connectivity and accessibility for people with TB and healthcare providers	2.1	Reduce distance and travel time
		2.2	Reduce providers’ travel time, costs and anxiety
		2.3	Overcome transportation obstructions
		2.4	Improve recording of TB diagnosis
		2.5	Efficient delivery of sputum samples for TB diagnosis
3.	Drones create opportunities to improve community and healthcare system	3.1	Opportunities to develop skills using new technology
		3.2	Opportunity to improve knowledge of drones and TB among the community
		3.3	Opportunities for improved communication
		3.4	Adapting experience of drone implementation beyond TB diagnosis
		3.5	Capitalizing local human resources to improve TB diagnosis
4	External factors impede the use of drones to facilitate TB diagnosis	4.1	TB-related stigma discouraged sample collection
		4.2	Drone flights are delayed by adverse weather
		4.3	Costs and human resources to operate drones are limited