An experimental study through a randomized clinical trial, without blinding (for participants and the research team), with a control group (not subject to intervention) and an intervention group (subject to two text messages, an automated non-human call or a call made by the administrative assistant, and a phone call made by a physician).
Age between 50 and 74 years.
No symptoms such as weight loss in the last 6 months or gastrointestinal symptoms.
No prior diagnosis of CRC.
No diagnosis of inflammatory bowel disease (ulcerative colitis or Crohn's disease).
Participants who did not receive the screening kit at home.
Participants without a phone number.
Participants who do not answer the phone or refuse to participate in the study.
Participants unable to consent or perform the screening due to physical, mental, or other conditions that seriously impair comprehension.
Local Health Unit Barcelos/Esposende, Public Health Unit
Lead sponsor
Instituto de Saude Publica da Universidade do Porto
Sponsor institution
Instituto de Saude Publica da Universidade do Porto
Collaborator