The investigators compare video education plus standard education versus standard education for bowel preparation before a colonoscopy. The primary outcome will be the quality of bowel preparation.
The investigators compare video education plus standard education versus standard education for bowel preparation before a colonoscopy and include a number of languages including English, Spanish, Russian, Haitian Creole, and Urdu. The educational content also includes psychological content based upon the Theory of Planned Behavior. The primary outcome will be the quality of bowel preparation, as measured by the Boston Bowel Preparation Scale (BBPS) score,
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SCREENING
Masking
NONE
Enrollment
362
Boston Bowel Preparation Scale (continuous)
Quality of bowel preparation measured by the Boston Bowel Preparation Scale. Scores range from 0 through 3. Higher scores indicate a better outcome..
Time frame: Perioperative/Periprocedural
Boston Bowel Preparation Scale (categorical)
Boston Bowel Preparation Scale adequacy of preparation score ≥ 2 in all regions. Quality measured by the Boston Bowel Preparation Scale. Scores range from 0 through 3. Higher scores indicate a better outcome..
Time frame: Perioperative/Periprocedural
Polyp detection rate proportion
Proportion of individuals undergoing a colonoscopy in whom at least one polyp is detected. Values range from 0 through 1. Higher values indicate a better outcome.
Time frame: Perioperative/Periprocedural
Adenoma detection rate proportion
Proportion of individuals undergoing a colonoscopy in whom at least one adenomatous polyp is found. Values range from 0 through 1. Higher values indicate a better outcome.
Time frame: Perioperative/Periprocedural
Cecal intubation rate proportion
Proportion of colonoscopies in which the endoscope successfully reaches the caecum. Values range from 0 through 1. Higher values indicate a better outcome.
Time frame: Perioperative/Periprocedural
Withdrawal time
Duration in minutes taken to withdraw the colonoscope from the caecum to the rectum. Values range from 1 through 60. Higher values indicate a worse outcome.
Time frame: Perioperative/Periprocedural
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Adherence to bowel preparation instructions
Following what was told to do by bowel preparation instructions. Total of 7 original questions scored as no for 0 or yes for 1 with a total score ranging from 0 through 7. Higher values indicate a better outcome.
Time frame: Perioperative/Periprocedural
Amsterdam Preoperative Anxiety and Information Scale
Self-assessed at baseline using the Amsterdam Preoperative Anxiety and Information Scale (APAIS). Scores range from 6 through 30. Higher scores greater anxiety.
Time frame: baseline
Overall experience with the bowel preparation process
Self-report about experience with the bowel preparation process. One original question with 5 choices of very unpleasant, unpleasant , neutral , pleasant , very pleasant . There is no score. The best answer would be "very pleasant."
Time frame: Perioperative/Periprocedural
Desire to undergo future colonoscopies if indicated
Self-report about having another colonoscopy. One original question with 5 choices of strongly disagree, disagree, neutral, agree , strongly agree. The best answer would be "strongly agree."
Time frame: Perioperative/Periprocedural