The goal of this randomized controlled trial is to evaluate the effectiveness of patient navigation on colonoscopy completion rates in a population screened for colorectal cancer. The main question[s] it aims to answer are:

Are colonoscopy completion rates in colorectal cancer screening increased in navigated (intervention arm) compared with non-navigated (control arm) participants?

Is mental well-being, as measured by HADs and GHQ12 scores, better in the intervention arm compared with the control arm?

Participants in the intervention arm will receive:

• standard clinic instructions for the colonoscopy
• phone calls from the patient navigator to discuss the purpose, preparation, and additional information regarding the colonoscopy procedure
• a webpage QR code consist of information on visual image on colonoscopy preparation and procedures, layout and map guidance to navigate in the hospital
• a direct line for phone calls to patient navigators for further guidance on overcoming barriers

Participants in the control arm will only receive:

• standard clinic instructions for the colonoscopy
• one phone call from the patient navigator to discuss the colonoscopy procedure

Inclusion Criteria:

• Average risk for CRC
• More than 50 years of age
• Capacity for informed consent
• IFOBT positive

Exclusion Criteria:

• Moderate or high risk CRC
• Previous CRC screening
• Symptomatic

Informed consent was only given for the purposes of this study.