This entry relates to a dataset consisting of the pseudo-anonymised data from the questionnaires completed by participants as part of the Yorkshire Kidney Screening Trial (YKST) and published in the linked paper. The data dictionary for the dataset can be downloaded. The data are stored within the Primary Care Unit. Researchers can request access by contacting Dr Juliet Usher-Smith, jau20@medschl.cam.ac.uk or PCU_DATA@medschl.cam.ac.uk. Applicants will be required to complete a Data Access Agreement that will indicate the criteria for data access and conditions for research use and will incorporate privacy and confidentiality standards to ensure data security.