The Effectiveness of Personalized Bowel Preparation Using a Smartphone Camera Application: A Randomized Pilot Study

Table 3

Univariate analysis of the factors associated with good bowel preparation (OBPS score< 5).

	Odds ratio	95% CI	value
Age	0.921	0.823–1.031	0.1533
Gender (male : female)	0.588	0.096–3.617	0.567
Body mass index	1.143	0.723–1.809	0.567
Marital status (married)	0	0	0.999
Dosage of PEG	0.999	0.995–1.003	0.638
Application user (app group)	4.737	0.503–44.572	0.174
Abdominal or pelvic surgery	0.467	0.071–3.077	0.428
Indication of colonoscopy
Screening	3.692	0.594–22.940	0.161
Surveillance	0.781	0.075–8.149	0.837
Symptoms	0.276	0.046–1.638	0.157
Presence of polyp	1.217	0.197–7.534	0.832
Detected adenoma	1.852	0.192–17.859	0.594

Values are given as the mean ± standard deviation or number (% or range). PEG: polyethylene glycol.