Table 1.

Demographic characteristics in IBD and non-IBD group.

	IBD		p-value
	Yes	No
	(n = 27)	n = 108
Age	38.0 ± 10.8	36.3 ± 13.6	0.55
Sex			0.23
Female	10 (37%)	54 (50%)
Male	17 (63%)	54 (50%)
Socioeconomic status			0.86
<NT $20,000	11 (41%)	38 (35%)
NT $20,000-NT $39,999	9 (33%)	51 (47%)
≧NT $39,999	7 (26%)	19 (18%)
Residential urbanization			0.12
Urban	18 (66%)	60 (56%)
Suburban	8 (30%)	34 (31%)
Rural	1 (4%)	14 (13%)
IBD type
Crohn's disease	7 (26%)
Ulcerative colitis	20 (74%)

IBD: Inflammatory bowel disease.