“Wounds Home Alone”‐Why and how venous leg ulcer patients self‐treat their ulcer: a qualitative content study.

Category of study designs	Methodological quality criteria	Responses
		Yes	No	Can't tell	Comments
Screening questions (for all types)	S1. Are there clear research questions?	√			This study focuses on how and why patients practice self‐treatment.
	S2. Do the collected data allow to address the research questions?	√
	Further appraisal may not be feasible or appropriate when the answer is ‘No’ or ‘Can't tell’ to one or both screening questions.
Qualitative	1. Is the qualitative approach appropriate to answer the research question?			√	What kind of qualitative research approaches did author use it without explanation
	2. Are the qualitative data collection methods adequate to address the research question?	√			In‐depth semi‐structured interviews were conducted with participants, and the interviews were recorded and transcribed verbatim. Data from the interview transcripts were coded, and then a comparative analysis of the codes was undertaken by the researchers independently.
	3. Are the findings adequately derived from the data?	√			The article uses the method of combining text and chart forms to fully explain the results of the research results.
	4. Is the interpretation of results sufficiently substantiated by data?	√			For example, 32 participants were interviewed, their demographic characteristics and wound durations are shown in Table 1.
	5. Is there coherence between qualitative data sources, collection, analysis and interpretation?	√			The article makes full use of the data to the four subthemes and four themes of VLU patients with self‐treatment.

Abbreviation: VLU, Venous leg ulcer.