Table 1.

Study data collection

Study characteristic	Specific items
Study identifiers	Title, authors, journal, publication year, county of publication, and sponsorship
Study aims	Rationale for using a QCA approach
Participants	Country/region, population(s), setting
Intervention characteristics	Public health intervention evaluated
Outcome	Phenomena explained by the QCA
Source case study methods	Methods of data generation pertaining to the cases included (qualitative and/or quantitative)
Other	Strengths and limitations of approach identified by authors