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Table 1 Outcome variables and data sources for the Tika Vaani pilot study

From: Implementation fidelity and acceptability of an intervention to improve vaccination uptake and child health in rural India: a mixed methods evaluation of a pilot cluster randomized controlled trial

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
  1. Adapted from Peters et al., 2013
  2. IVR interactive voice response, mHealth mobile health, QUANT quantitative, QUAL qualitative
  3. *Outcomes analyzed for the present study