Table 1 Outcome variables and data sources for the Tika Vaani pilot study
| Outcome | Definition | Approach | Analysis population | Data sources |
|---|---|---|---|---|
| Primary | ||||
| Feasibility of the future main study | Ex-ante criteria related to key study processes and measures | Quantitative | Intervention and control groups | Reported in main study |
| Uptake of interventions (adoption) | Evidence of participation in the new interventions | Quantitative | Intervention group | Reported in main study |
| Secondary | ||||
| Acceptability* | Perception among stakeholders that an intervention is agreeable, suitable, relevant, useful, and credible. | Mixed methods | Intervention group |
QUANT IVR platform (mHealth); Household surveys QUAL Semi-structured interviews Discussion groups |
| Fidelity* | Ability to deliver the interventions as planned | Mixed methods | Intervention group (some information from controls) |
QUANT Project records Structured observation with checklist; IVR platform (mHealth); Household surveys QUAL Semi-structured interviews Discussion groups Field observation Document review |
| Coverage | The degree to which a (sub)population that is eligible to benefit from an intervention actually receives it | Quantitative | Intervention group | Reported in main study |
| Program theory | Anticipated changes in knowledge, attitudes, and practices of end users | Quantitative | Intervention and control groups | Reported in main study |