Longer colonic transit time is associated with laxative and drug use, lifestyle factors, and symptoms of constipation.

Background: Gastrointestinal symptoms and changes in colonic transit time (CTT) are common in the population.

Purpose: To evaluate consecutive patients who had been examined for CTT, along with completion of a diary about laxative and drug use, lifestyle factors, and gastrointestinal symptoms, to identify possible associations with longer or prolonged CTT.

Material And Methods: A total of 610 consecutive patients had undergone the radiopaque marker method with an abdominal X-ray for clinical purposes.