Level of attendance at the English National Health Service Diabetes Prevention Programme and risk of progression to type 2 diabetes.

"Declarations Ethics approval and consent to participateThe DIPLOMA programme of research of which this study is a part of was reviewed and approved by the North West Greater Manchester East NHS Research Ethics Committee (Reference: 17/NW/0426, 1st August 2017). The analysis was undertaken using anonymised routinely collected healthcare data and informed consent from individuals was not necessary. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding The Evaluating the NHS Diabetes Prevention Programme (NHS DPP): the DIPLOMA research programme (Diabetes Prevention: Long Term Multimethod Assessment) is independent research funded by the National Institute for Health and Care Research (Health Services and Delivery Research 16/48/07). The views and opinions expressed in this paper are those of the author(s) and do not necessarily reflect those of the National Institute for Health and Care Research or the Department of Health and Social Care."