Table 3 Overview of process evaluation data collection
Component and definition | Data source | Arm | Data collection method | Specific dataa | Timing |
|---|---|---|---|---|---|
Implementation | |||||
Fidelity Quality of what is delivered | Professionals and other stakeholders (e.g. interventionists, managers) | IG | Semi-structured (group) interviews | – a.o. experienced benefits, burden, usefulness of ‘Stay Active at Home’; involvement with intervention | At the end of the implementation phase |
Older adults | IG, CG | Telephone interviews | – a.o. satisfaction with home care and awareness of behavioural change in professionals | 6 months after baseline (with data for effect and economic evaluation) | |
Researchers | IG | Project logbook | – Performance according to protocol | Continuously throughout the implementation phase | |
Dose Quantity of what is delivered | Professionals | IG | Registration forms and checklists | – Number of professionals: attending programme meetings; making practical assignments; reading weekly newsletters | Continuously throughout the implementation phase |
Older adults | IG | Client records | – a.o. hours of care; staff turn-over trained professionals; formulation and implementation of goal-setting and action planning | At the end of the implementation phase | |
Adaptations Alterations made to the intervention | Researchers | IG | Project logbook | – if applicable: changes in content, procedures, activities and processes | Continuously throughout the implementation phase |
Reach Extent to which the target group was reached | Professionals | IG | Project logbook | – Number of professionals who will refuse, drop out or complet the programme and reasons for refusal and drop-out | Continuously throughout the implementation phase |
Older adults | IG | Project logbook | – Number of older adults who will refuse, drop out or complete the programme and reasons for refusal and drop-out | Continuously throughout the implementation phase | |
Mechanisms of impact | |||||
Mechanisms that are expected to produce change | Professionals | IG, CG | Self-report questionnaire | – Knowledge test and self-efficacy and outcome expectation questionnaire inspired by the work of Resnick et al. [75,76,77] – Additional evaluation questions (which cover the different topics of the programme) | 6 and 12 months after baseline |
Older adults | IG, CG | Self-report questionnaire | – Self-efficacy and outcome expectation questionnaire inspired by the work of Resnick et al. [78] | 6 and 12 months after baseline (with data for effect and economic evaluation) | |
Contextual factors | |||||
Factors that may influence the implementation/ outcomes of the intervention | Professionals and other stakeholders (e.g. interventionists, managers) | IG | Semi-structured (group) interviews | – a.o. facilitators and barriers in applying ‘Stay Active at Home’ in practice | At the end of the implementation phase |
Researchers | IG | Project logbook | – a.o. facilitators and barriers in applying ‘Stay Active at Home’ | Continuously throughout the implementation phase | |