Assessment of disease specific knowledge and health-related quality of life among United States military veterans with inflammatory bowel disease

Table 2 Inflammatory bowel disease characteristics and their association with patient knowledge (Crohn’s and Colitis knowledge score)

Characteristics		CCKNOW Score, mean ± SD	P value
Disease duration (yr)			0.02
< 5	37.6%	9.9 ± 5.2
≥ 5	62.4%	12.5 ± 4.9
Type of IBD			< 0.01
UC	48.5%	10.2 ± 4.7
CD	42.6%	13.6 ± 5.0
IBDU	8.9%	8.8 ± 5.9
UC location			0.53
Proctitis	18.4%	9.5 ± 2.9
Left colon	22.4%	9.8 ± 5.5
Pancolitis	53.1%	11.1 ± 4.9
NA	6.1%	7 ± 2.7
CD location			0.92
Proximal	0	-
Ileal	21%	13.1 ± 2.6
Ileocolonic	58%	13.9 ± 5.2
Colonic	21%	13.4 ± 6.6
Family history of IBD			0.69
Yes	14.9%	12.6 ± 5.9
No	80.1%	11.3 ± 5.1
Unknown/adopted	5%	10.7 ± 5.8
Tobacco			0.14
Never	39.6%	12.6 ± 4.9
Current	18.8%	12.1 ± 5.8
Quit	41.6%	10.2 ± 4.9
IBD-related Hospitalizations			0.23
0	62.4%	11 ± 5.2
≥ 1	37.6%	12.4 ± 5.1
Previous IBD-related surgeries			0.02
0	65.3%	10.5 ± 5.0
≥ 1	34.7%	13.3 ± 5.1

CCKNOW: Crohn’s and Colitis knowledge score; SD: Standard deviation; IBD: Inflammatory bowel disease; UC: Ulcerative colitis; CD: Crohn’s disease; IBDU: Inflammatory bowel disease unclassified.