Table 2 Elements of the process evaluation and data collection methods
Component and definition | Outcome variables | Measurement |
|---|---|---|
Reach Proportion of the intended target population that participated in the intervention | Number of older people that refused, dropped-out or completed the intervention Reasons for refusal/drop-out (before start and during the intervention) | Diary |
Dose delivered (completeness) Amount of delivered intervention | Assessments Referrals to other disciplines Interventions/toolbox parts Evaluation/follow-up | Diary |
Dose received (exposure) Extent of active engagement in and receptiveness to the intervention by older people | Opinion about older peoples' ability to understand and implement principles of the intervention Adherence to commitments made by older people Intention of patients to implement the intervention | Questionnaire/interviews older people Questionnaire/interviews healthcare professionals |
Dose received (satisfaction) Satisfaction of older people and healthcare professionals with the intervention | Overall opinion of older people Experienced benefits, burden, usefulness by older people Overall opinion of healthcare professionals | Questionnaire/interviews older people Questionnaire/interviews healthcare professionals |
Barriers The extent to which problems were encountered while applying the intervention | Barriers in applying the intervention | Questionnaire/interviews healthcare professionals |