Box 1. Logic model of an integrated intervention

Intervention inputs	Intervention process and actions	Intended
Case management desk-guide & counselling tool Training of doctors and allied staff (on full care package) Supplement drugs and supplies (for example, peak flow meter) Recording forms^a	Screen and diagnose^a Prescribe and/or dispense asthma and/or COPD drugs Counsel on lung condition; also smoking cessation (if applicable) Follow up care, including retrieval	Providers practise programme protocols to: screen, diagnose, treat, counsel, follow up, and report as per programme protocol Patients: attend follow-up visits adhere to treatment cease smoking (if applicable)	Patient are: screened and diagnosed as per programme protocol prescribed and/or dispensed correct drug and dose counselled for smoking cessation followed-up and treated for continued care	Asthma control and BODE index change in COPD patients

Intervention inputs

Intervention process and actions

Intended

Process change

Outputs

Health outcomes

Providers practise programme protocols to:

screen, diagnose, treat, counsel, follow up, and report as per programme protocol

Patients:

Patient are:

Asthma control and BODE index change in COPD patients

^aThese inputs and practices for screening, diagnosis, and recording were the same in intervention and control arms to ensure comparing ‘like with like’ asthma and COPD patients.
BODE index = Body-mass index, airflow Obstruction, Dyspnea, and Exercise index. COPD = chronic obstructive pulmonary disease.