Table 4.

Comparison of patient characteristics by potential side effect recall.

Characteristic	Recalled potential side effect		P
	No(n=67)	Yes(n=55)
Female	35 (52%)	37 (67%)	0.09
Crohn’s disease	34 (51%)	30 (55%)	0.68
Aminosalicylates only	30 (45%)	11 (20%)	0.004
Any immunomodulator	16 (24%)	22 (40%)	0.06
Any biologic	24 (36%)	24 (44%)	0.38
Pediatric onset (diagnosis at < 18y old)	14 (21%)	12 (23%)	0.82
Disease duration (years since diagnosis)	10.0 (6.0, 15.0)	9.0 (5.0, 16.0)	0.81

P-value from Pearson chi-square test or Wilcoxon rank-sum test. Age at diagnosis is unknown for 2 patients, and disease duration is unknown for 12 patients.