%0 Journal Article
%A Weigl, Korbinian
%A Tikk, Kaja
%A Hoffmeister, Michael
%A De Toni, Enrico N
%A Hampe, Jochen
%A Kolligs, Frank
%A Klug, Stefanie J
%A Mansmann, Ulrich
%A Nasseh, Daniel
%A Radlovic, Jovana
%A Schwab, Matthias
%A Schweigler, Dirk
%A Stephan, Anna
%A Brenner, Hermann
%T A web-based survey among adults aged 40-54 years was time-effective and yielded stable response patterns.
%J Journal of clinical epidemiology
%V 105
%@ 0895-4356
%C Amsterdam [u.a.]
%I Elsevier Science
%M DKFZ-2018-01442
%P 10-18
%D 2019
%X We want to present information about response patterns obtained by web-based survey in a large-scale epidemiological study.Within the RAPS (Risk Adapted Prevention Strategies for colorectal cancer) study, we invited 160,000 randomly selected persons aged 40-54 years in three large German cities from 2015 to 2016 to complete a web-based questionnaire on colorectal cancer risk factors and screening (97 items, average time for completion 15 minutes). Invitation letters and up to two reminder letters were sent to each individual.A total of 21.4
%F PUB:(DE-HGF)16
%9 Journal Article
%$ pmid:30196128
%R 10.1016/j.jclinepi.2018.08.021
%U https://inrepo02.dkfz.de/record/137562