This folder contains data from the CHANGe research project. CHANGe was a prospective cohort study of residents and staff in five care homes in Cheshire and Merseyside. The study was run by a team at the University of Liverpool; it took place between 15 August 2017 and 30 May 2019. This folder contains anonymised raw data from the study for archiving, along with the study protocol. Data within this folder was analysed using R.