Table 1 Overview of indicators and data sources used to evaluate implementation of the Nguvu intervention and research protocols

Relevance

Indicators: prioritization and burden of problems in Nyarugusu

Indicators: Construct and convergent validity of instruments

Data sources: Desk review, formative qualitative research

Data sources: Psychometric evaluation of outcome measures

Acceptability

Indicators: Participant retention, perceived benefits and challenges

Indicators: Ethical considerations and safety

Data sources: Intervention attendance records, qualitative exit interviews

Data sources: Adverse events, qualitative exit interviews

Feasibility

Indicators: Facilitator fidelity and competency

Indicators: Reliability of instruments

Data sources: Training and supervision notes and feedback

Data sources: Psychometric evaluation of outcome measures