Table 4

Factors associated with tolerability

	Factors associated with increased pain		Factors associated with increased discomfort		Factors associated with increased distress
	Factor	p Value	Factor	p Value	Factor	p Value
OGD	Younger age	0.016	Younger age	0.001	Younger age	0.001
	HADS anxiety score of 11+	0.048
Colonoscopy	Female gender	0.012	Longer duration	0.001	Longer duration	0.029
	Longer duration	<0.001
Flexible sigmoidoscopy	None		None		None
Endoscopic retrograde cholangiopancreatography	HADS anxiety score of ≥11	0.011	Younger age	0.019	Younger age	0.013
	Longer duration	0.002	HADS anxiety score of 11+	0.011	Lack of analgesia	0.007
			Longer duration	0.001
			Lack of analgesia	0.007
Double balloon enteroscopy (antegrade)	None		None		None
Double balloon enteroscopy (retrograde)	None		None		None