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Table 1 Process evaluation procedures mapped to measures, outcomes and Behaviour Change Techniques

From: Understanding the implementation and efficacy of a home-based strength and balance fall prevention intervention in people aged 50 years or over with vision impairment: a process evaluation protocol

Component Question Method/Measure Data Type Outcomes aBehaviour Change Techniques (Intervention Function)
1. Program Adherence (Fidelity) How well did the O&M Specialists deliver the v-LiFE program to participants? • A trained observer will observe 1–2 participant sessions with each instructor using a checklist, while making comments (20% of all v-LiFE program participants). Quantitative Higher scores indicate well delivered v-LiFE programs Feedback on behaviour (Education/Persuasion/Coercion); Credible source (Persuasion); Instruction on how to perform the behaviour (Training); Problem solving (Enablement)
Qualitative Analysis of observer’s comments using the BCW as a framework
2. Complete Delivery (Dose delivered) To what extent were all of the intended components of the v-LiFE program delivered to participants? • O&M Specialists to record each time they complete a session, booster session, additional sessions and/or phone calls. Quantitative Higher scores indicate participants received a higher program dose Self-monitoring of behaviour (Education/Incentivisation); Monitoring of behaviour by others without evidence of feedback (Coercion); Prompt/cues (Education)
3. Participant Receipt (Dose received) To what extent were participants engaged/satisfied with the v-LiFE program? • Semi-structured interview (30 participants). Qualitative Analysis of transcripts using the BCW as a framework Information about health consequences, self-monitoring of behaviour (Education); Monitoring of behaviour by others without evidence of feedback (Coercion)
• Short answer survey (all participants). Quantitative Higher scores on the AFRIS indicate higher engagement to v-LiFE
4. Participant Enactment To what extent were the participants completing the prescribed activities? • The Self-Report Habit Index (post-program) Quantitative Higher scores on the Index indicate stronger habit formation Self-monitoring of behaviour (Education/Incentivisation/Coercion); Feedback on behaviour (Education/Incentivisation/Coercion); Monitoring of outcome of behaviour by others without evidence of feedback (Incentivisation/Coercion
  1. a Michie et al. [13], BCW: Behaviour Change Wheel. AFRIS: Attitudes to Falls-Related Interventions Scale
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