A systematic review and meta-analysis of the measurement properties of concerns-about-falling instruments in older people and people at increased risk of falls.

"Declaration of Sources of Funding This work is supported by Professor Chris Todd’s NIHR Senior Investigator Award (Reference NIHR200299). Dr Lisa McGarrigle, Ms Yang Yang and Dr Reena Lasrado were employed on this award at The University of Manchester under sub-contract from Manchester University NHS Foundation Trust. The views expressed are those of the author(s) and not necessarily those of the NIHR or the Department of Health and Social Care. The University of Manchester acted as sponsor for this study. Declaration of Conflicts of Interest C.T. was the principal investigator on the EC grant used in the development of the FES-I and Short FES-I. He was the senior author on the original FES-I development papers and on a number of papers subsequently using FES-I/Short FES-I. The University of Manchester hosts the FES-I website (www.fes-i.org) administered under C.T.’s control. FES-I/Short FES-I are published and distributed free of charge. Commercial trial use of FES-I is permitted and companies encouraged to make a donation to The University of Manchester Development and Alumni Funding Scheme."

"Declaration of Sources of Funding This work is supported by Professor Chris Todd’s NIHR Senior Investigator Award (Reference NIHR200299). Dr Lisa McGarrigle, Ms Yang Yang and Dr Reena Lasrado were employed on this award at The University of Manchester under sub-contract from Manchester University NHS Foundation Trust. The views expressed are those of the author(s) and not necessarily those of the NIHR or the Department of Health and Social Care. The University of Manchester acted as sponsor for this study."

"The study protocol was registered with PROSPERO (registration number: CRD42019161462). We followed the COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) methodology for systematic reviews of patient-reported outcome measures (PROMs) []."