Is the Information About a Doctor or Possibility of Choosing Doctor's Gender Associated With Attendance to Screening Colonoscopy: Randomized Study With Three Types of Invitations.
Study is performed as a part of NordICC (Clinical trials NCT 00883792) trial, which is
intended to investigate the effect of screening colonoscopy on colorectal cancer incidence
and mortality. NordICC trial is a multicenter, randomized study conducted in Norway, Sweden,
Netherlands and Poland.
This study is designed to assess two factors potentially influencing patients attendance.
These two factors are: identification of particular doctor performing examination and the
possibility of choosing doctor's gender.
Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Screening
Percentage of invitees attending screening colonoscopy in each invitation letter group
3 months from the primary assigned screening appointment date
Jaroslaw Regula, MD, PhD
Center of Oncology Institute
Poland: Ethics Committee