Factors associated with patient absenteeism for scheduled endoscopy

Table 2 Univariate analysis of patient characteristics and their predictive value for patient absenteeism from scheduled endoscopic procedure

	Comparison	OR	95% CI	P-value
Urgency	Non-urgent vs urgent	1.790	1.211, 2.645	0.0035
Direct to endoscopy	Not direct vs direct	0.859	0.595, 1.242	0.4199
Referring physician	Specialist vs GP	2.165	1.200, 3.906	0.0063
	No referral vs GP	2.355	1.031, 5.379
Age	Increments of 10 years	0.912	0.823, 1.010	0.0757
Sex	Female vs male	0.974	0.708, 1.340	0.8714
Time of procedure	7:30-10:00 vs 12:30-15:00	0.651	0.423, 1.001	0.0835
	10-12:30 vs 12:30-15:00	0.967	0.637, 1.468
Type of procedure	Colonoscopy vs flex-sig	0.741	0.439, 1.250	0.2757
	EGD vs flex-sig	0.964	0.558, 1.667
Weekday	Tues vs Mon	1.000	0.580, 1.723	0.9570
	Wed vs Mon	0.754	0.439, 1.293
	Thurs vs Mon	0.809	0.476, 1.373
	Fri vs Mon	0.493	0.278, 0.873
Region	< 10 mile radius vs < 60 mile radius	1.537	0.685, 3.448	0.1110
	< 60 mile radius vs > 60 mile radius	1.054	0.454, 2.449
Previous endoscopy	Yes vs no	1.039	0.738, 1.464	0.8252
Waiting time	3 mo increments	0.835	0.675, 1.034	0.0980
New patient	No vs yes	1.293	0.921, 1.815	0.1369