We gratefully acknowledge the contributions of the Sheffield Evidence Synthesis Centre public involvement group, which discussed and validated early and subsequent versions of the programme theory. We also acknowledge the invaluable support and input from Dr Susan Baxter, who facilitated the public involvement group, and from Janette Turner and Dr Emma Knowles, who provided topic-specific input into the PPI group meetings. We thank Susan Croft and Janette Turner for their comments on sections of the draft report and the external peer reviewers for their thorough and constructive feedback.
Contributions of authors
Duncan Chambers (https://orcid.org/0000-0002-0154-0469) managed the mapping review and led on analysis of mapping data.
Anna Cantrell (https://orcid.org/0000-0003-0040-9853) led the literature search processes for both the mapping review and the realist synthesis.
Andrew Booth (https://orcid.org/0000-0003-4808-3880) developed the realist synthesis protocol and designed the working methods for the realist synthesis, including the TIDieR-Lite and intervention templates. He also generated the embryonic programme theory, which was refined and finalised by all of the review team.
All team members contributed equally to the analysis and writing of the final report.
Data-sharing statement
No new data have been created in the preparation of this report; therefore, there is nothing available for access and further sharing. All queries should be submitted to the corresponding author.
Disclaimers
This report presents independent research funded by the National Institute for Health Research (NIHR). The views and opinions expressed by authors in this publication are those of the authors and do not necessarily reflect those of the NHS, the NIHR, NETSCC, the HS&DR programme or the Department of Health and Social Care. If there are verbatim quotations included in this publication the views and opinions expressed by the interviewees are those of the interviewees and do not necessarily reflect those of the authors, those of the NHS, the NIHR, NETSCC, the HS&DR programme or the Department of Health and Social Care.
