Table 2.

Details of COPD Case-Finding Questionnaire

Questionnaire	CDQ	COPD-PS	LFQ	PUMA	CAPTURE	COLA	UCAP-Q
Item	Age	Age	Age	Age			Age
	Smoking history	Smoking history	Smoking history	Smoking history	Risk exposures Smoke Air pollution Weather	Personal exposures Smoke Biomass fuel daily	Smoking history Occupations Paint Chemicals Fumes Sandblasting
	Symptoms sputum wheeze	Symptoms shortness of breath frequency, cough	Symptoms Wheeze Dyspnea Cough	Symptoms Dyspnea Sputum Cough	Symptoms Breathing problems	Symptoms Sputum Wheeze Hospitalization due to respiratory symptoms in the past year	Symptom Cough Sleep Chest tightness Wheeze Chest problem
	BMI	Changes in exercise capacity		Gender	Tiring easily	Functional status daily activity	Functional status Vigorous Feel tired Emotional problem
	Allergic history			Previous use of spirometry	Recent history of acute respiratory illnesses

Abbreviations: BMI, Body Mass Index; COPD-PS, Population Screener; CDQ, COPD diagnostic questionnaire; CAPTURE, COPD assessment in primary care to identify undiagnosed respiratory disease and exacerbation risk; COLA, COPD in LMICs Assessment; LFQ, Lung Function Questionnaire; UCAP-Q, Undiagnosed COPD and Asthma Population Questionnaire.