Sigmoidoscopy as an evidence-based colorectal cancer screening – a possible option?
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Interventions: Group 1: One-time survey in April/May 2020 of 50- to 60 years old statutory insured persons with a written, self administered questionnaire consisting of a) sociodemographic and health-related items, b) the discrete choice experiment and c) items asking for the intention to participate and the preferred colorectal cancer screening test. Primary outcome (first project phase - discrete-choice experiment): Estimating the contribution of attributes and levels to overall utility (part-worth utilities). Primary outcome (second project phase - decision analytic modelling): Cost-effectiveness of an extended screening strategy (iFOBT, colonoscopy, sigmoidoscopy) compared to the current colorectal cancer screening program (iFOBT, colonoscopy). Study Design: Allocation: ; Masking: ; Control: ; Assignment: ; Study design purpose:
