A	B	C
Inputs	Intervention arm facilities	Control arm facilities
Contextualised care protocols and tools	Case management desk guide and counselling tool	None
Training of doctors and allied staff (jointly by the programme staff and research team)	Full care tasks: screen on the first visit, diagnose, and maintain patient records; use provided desk guide on how to prescribe, educate, follow-up, and retrieve patients	Limited care tasks: screen on the first visit, diagnose, and maintain patient records only
Material inputs	Peak flow meter, recording tools; also salbutamol and ipratropium inhalers, mobile reminders for patient retrieval	Peak flow meter, and recording tools only

Access to spirometry at baseline (that is within 2 weeks of registration) and endline (that is completed 6 months after registration) was offered as a research measurement activity (that is not to inform clinical decisions) for all patients in the two trial arms.