1 This article is protected by copyright. All rights reserved. Title: Ideal colonoscopic surveillance intervals to reduce incidence of advanced adenoma and colorectal cancer 1 Short Title: Surveillance intervals in colorectal cancer screening Authors: Norm M Good CSIRO Mathematical and Information Sciences/Australian e-Health Research Centre, Royal Brisbane and Women's Hospital, Herston, QLD, 4029, Australia Finlay A Macrae Colorectal Medicine and Genetics, The Royal Melbourne Hospital, VIC, 3050 Australia Graeme P Young Flinders Centre for Innovation in Cancer, Flinders University, Bedford Park, SA, 5042, Australia John O’Dywer Australian e-Health Research Centre, Royal Brisbane and Women's Hospital, Herston, QLD, 4029, Australia Masha Slattery Colorectal Medicine and Genetics, The Royal Melbourne Hospital, VIC, 3050 Australia William Venables CSIRO Mathematical and Information Sciences, Ecosciences Precinct, Dutton Park, QLD, 4102, Australia Trevor J Lockett CSIRO Preventative Health Flagship and Animal, Food and Health Sciences, Riverside Corporate Park, North Ryde, NSW, 2113, Australia Marilla O’Dwyer Rio Tinto, George St, Brisbane, QLD, 4000, Australia. Grant support: None Correspondence: Norm M Good Australian e-Health Research Centre This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1111/jgh.12904 Accepted Article