Table 1.

Overview of data sources and their contribution to RE-AIM dimensions

Data source	RE-AIM dimension
	Reach	Effectiveness	Adoption	Implementation	Maintenance
Questionnaires	✓	✓			✓
Semi-structured interviews	✓	✓	✓	✓	✓
Programme-related documentation	✓		✓	✓

Reach of the intervention for the target population; Effectiveness of the intervention on desired outcomes; Adoption of the intervention at setting and staff levels; Implementation, delivery of intervention as intended and participant adherence; Maintenance of intervention effects over time, at individual and organisational levels [17]