Protocol for a mixed-methods study of supplemental oxygen in pulmonary fibrosis

BMC Pulmonary Medicine

Table 1 Mixed-methodology study design

Category	N	Study design	Method	Data collection
1. PF patients who have used O₂ for at least eight months	20	X-sectional	QUAL	Interview
1. PF patients who have used O₂ for at least eight months	20	X-sectional	QUANT	PRO Questionnaires
2. ICs of PF patients who have used O₂ for at least eight months	20	X-sectional	QUAL	Interview
3. Practitioners who have prescribed O₂ for at least one patient with PF	20	X-sectional	QUAL	Interview
4. PF patients not on daily-use O₂ at enrollment	40	Longitudinal	QUAL	Interviews
			QUANT	PRO Questionnaires
				GPS
				Accelerometer
	260	Longitudinal	QUANT	PRO Questionnaires
	260	Longitudinal	QUANT	GPS
				Accelerometer

QUAL = qualitative data collection; QUANT = quantitative data collection; PRO = patient-reported outcome measure; GPS = global positioning system.

ISSN: 1471-2466