Comorbid Illness, Bowel Preparation, and Logistical Constraints Are Key Reasons for Outpatient Colonoscopy Nonattendance

Table 2

Comparison of nonattenders to age and sex matched controls.

Variable	Univariate odds ratio	95% CI	value
First colonoscopy (yes/no)	1.05	0.48–2.31	0.89
Prior clinic visit (yes/no)	1.00	0.49–2.02	1.00
Indication (screening versus symptomatic)	0.85	0.42–1.70	0.63
Distance from HDH (per 10 km)	0.97	0.88–1.06	0.47
Winter month (December, January, February, and March) versus other months of the year	5.20	1.59–17.02	<0.001
am [08:00–12:00] versus pm [12:00–16:00]	0.78	0.39–1.57	0.49
Married versus nonmarried	0.41	0.19–0.88	0.004