Optimization of a group-based intervention for people living with severe obesity (PROGROUP): Understanding fidelity to delivery and the patient experience.

ABSTRACT:

Objectives

Understanding the fidelity of delivery of complex health behaviour interventions is crucial in determining their effectiveness and identifying aspects needing refinement. PROGROUP is a group-based intervention for people with severe obesity. It aims to promote a shared social identity to support behaviour change. Data from a feasibility randomized controlled trial (fRCT) were used to assess fidelity of intervention delivery and the impact on patient experiences, to optimize the intervention for a main trial.

Methods

Data from 18 patient and five facilitator interviews, audio and video data of group sessions, two fidelity checklists, support calls and a group processes questionnaire were used to assess fidelity of delivery to intervention principles, patients' expe

SUBMITTER: Hawkins L 

PROVIDER: S-EPMC12862884 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature