van ‘t Hooft, Jannekevan Dijk, Charlotte E.Axfors, CathrineAlfirevic, ZarkoOudijk, Martijn A.Mol, Ben W.J.Bossuyt, Patrick M.Ioannidis, John P.A.2024-02-232024-02-232023-10van ‘t Hooft, J, van Dijk, C E, Axfors, C, Alfirevic, Z, Oudijk, M A, Mol, B W J, Bossuyt, P M & Ioannidis, J P A 2023, 'Few randomized trials in preterm birth prevention meet predefined usefulness criteria', Journal of Clinical Epidemiology, vol. 162, pp. 107-117. https://doi.org/10.1016/j.jclinepi.2023.08.0160895-4356https://hdl.handle.net/2164/22831Funding Information: Funding: The study was funded by a grant from the Netherlands Organization for Health Research and Development (ZonMw Rubicon grand #452182306). The funder had no involvement in any phase of this study. Meta-Research Innovation Center at Stanford (METRICS), Stanford University is supported by a grant from the Laura and John Arnold Foundation. JvtH is supported by postdoctoral grant from the Netherlands Organization for Health Research and Development (Rubicon grand 452,182,306). C.A. is supported by postdoctoral grants from the Knut and Alice Wallenberg Foundation (K.A.W. 2019.0561), Uppsala University, and the Sweden-America Foundation. B.M. is supported by an NHMRC Investigator grant (GNT1176437). B.M. reports consultancy for Guerbet, has been a member of the ObsEva advisory board and holds Stock options for ObsEva. The work of J.I. has been supported by an unrestricted gift from Sue and Bob O'Donnell. J.I. is a team member of the editorial board of JCE. Publisher Copyright: © 2023 The Authors11628707engClinical researchPragmatismPreterm birthRandomized controlled trialsTransparencyUsefulnessRG Gynecology and obstetricsEpidemiologyRGJournal article10.1016/j.jclinepi.2023.08.016http://www.scopus.com/inward/record.url?scp=85171567347&partnerID=8YFLogxK162