Lyndal Trevena|Les Irwig|Alexandra Barratt
Randomized trial of a self-administered decision aid for colorectal cancer screening
University of Sydney|University of Sydney|University of Sydney
previous studies assessed whether evidencebased information outcomes colorectal cancer screening increases informed choice among people range socioeconomic backgrounds assessed whether administered away healthcare providerrandomized controlled trial six primary care locations three hundred fourteen people aged 5074 years received selfadministered decision aid da booklet outcomes biennial faecal occult blood testing fobt screening government consumer guidelines gsignificantly da recipients 209 informed compared g recipients 58 p 00001 432 95 ci 249 752 da affect values clarity 619 clear da versus 591 g screening decisions overall 873 would screen da versus 905 g test uptake one month uniformly low 52 da versus 66 g mostly due busy da recipients likely make decisions integrating knowledge values 104 da versus 15 g decisions screen equally uncommon groups likely uninformed g p 003 da recipients education levels informed p 002 particularly lower education 500 da versus 178 g universityeducated groups 794 da versus 321 gdetailed absolute risk benefit information fobt screening effectively used home people increase informed choice da effective people lower education levelsunique protocol id 211705 clinicaltrialsgov id nct 00148226