Table 1.

The definition of the outcomes included

Outcomes	Definition
Primary outcomes
Engagement	The number of designathon participants and/or finalists engaged. The number of events held for each designathon. The number of days for the designathon event.
Resources	Amount of resources (ie, people, time, cost) reported for each designathon. Cost-effectiveness of organising a health-related designathon.
Outputs	Were ideas or prototypes generated during the event? Number of ideas generated. Number of prototypes generated. Quality of ideas or prototypes: How the ideas were evaluated, who did the evaluation and how the final products were evaluated during the designathon?
Implementation	Number of designathon outputs that were further developed after the event. Number of designathon outputs that were tested in the real world after the event. Number of designathon outputs that were evaluated after the event.
Secondary outcomes
Facilitators	Facilitators of organising a health-related designathon (specifically the event mentioned).
Barriers	Barriers to organising a health-related designathon (specifically the event mentioned).
Strengths	Strengths of using designathons, including the extent of community engagement (designathon in general).
Limitations	Limitations of using designathons, including the extent of community engagement (designathon in general).

Ideas represent a concept that participants generated during designathons, and prototypes represent a tangible representation of an idea or solution.