Madurasinghe, Vichithranie W.Bower, PeterEldridge, SandraCollier, DavidGraffy, JonathanTreweek, ShaunKnapp, PeterParker, AdwoaRick, JoSalisbury, ChrisMan, Mei SeeTorgerson, DavidSheridan, RebeccaSullivan, FrankCockayne, SarahDack, Charlotte2021-10-072021-10-072021-09-23Madurasinghe, V W, Bower, P, Eldridge, S, Collier, D, Graffy, J, Treweek, S, Knapp, P, Parker, A, Rick, J, Salisbury, C, Man, M S, Torgerson, D, Sheridan, R, Sullivan, F, Cockayne, S & Dack, C 2021, 'Can we achieve better recruitment by providing better information? Meta-analysis of ‘studies within a trial’ (SWATs) of optimised participant information sheets', BMC medicine , vol. 19, no. 1, 218. https://doi.org/10.1186/s12916-021-02086-21741-7015ORCID: /0000-0002-7239-7241/work/186968557https://hdl.handle.net/2164/17307Acknowledgements: We would like to acknowledge all those in the trial teams who supported this programme of SWATs, including our public contributors (Ailsa Donnelly and Judith Hogg). We also thank Paul Wallace (original MRC START applicant) and Elizabeth Murray (Help Diabetes principal investigator). Funding: The authors wish to acknowledge the MRC Methodology Research Programme which funds this research (MRC grant reference: G1002325). The MRC has no role in the study design; collection, management, analysis and interpretation of data; writing of the report; or the decision to submit the report for publication.8659318engSDG 3 - Good Health and Well-beingInformationRandomised controlled trialRecruitmentResearch methodologySWATsUser-testingR MedicineGeneral MedicineMedical Research Council (MRC)G1002325Supplementary InformationRJournal article10.1186/s12916-021-02086-2http://www.scopus.com/inward/record.url?scp=85115303634&partnerID=8YFLogxK191