TABLE 1.

Age, Disease, Health Behavior, and Psychological Characteristics of the Total Sample (N=38)

Variables	Median (25–75 Percentile)	Mean (Standard Deviation)	Range
Age	33.5 (29.0–39.3)	36.2 (11.2)	22–68
Disease duration (in years)	7.0 (2.1–16.3)	10.0 (10.8)	0.2–53
Abdominal Pain Severity	0 (0–2.0)	1.2 (2.0)	0–7
IBDQ scores - Total	175.5 (150.5–187.8)	165.7 (33.2)	77–218
Bowel	57.5 (48.8–62.3)	54.0 (11.5)	29–68
Systemic	23.0 (18.5–27.0)	22.2 (6.2)	7–33
Social	31.0 (26.8–35.0)	29.9 (5.5)	14–35
Emotional	62.5 (48.8–70.3)	59.6 (14.5)	20–82
Perceived Disability Scalea	12.0 (3.0–28.5)	17.3 (18.1)	0–77
Body Mass Index	25.0 (22.1–28.4)	26.4 (6.8)	18–54
Health care utilization
Physician visitsb	3.0 (2.0–5.3)	4.8 (4.9)	0–25
Hospitalizationsa	1.0 (0–3.0)	2.2 (0.4)	0–15
History of surgeriesa	0 (0–0.5)	0.2 (0.4)	0–1
Missed workb	0.1 (0–2.0)	2.1 (4.6)	0–22
Perceived Stress Questionnaire	66.0 (58.0–79.5)	69.3 (16.7)	40–116
IPQR
Chronicity	25.0 (19.5–28.0)	23.7 (5.0)	12–30
Personal control	23.0 (18.5–24.0)	21.8 (4.1)	14–30
Treatment control	18.0 (14.5–20.0)	17.8 (4.0)	6–25
Illness coherence	18.0 (13.5–21.0)	17.2 (4.7)	6–25
Cyclical nature	14.0 (13.0–16.0)	14.2 (2.8)	5–25
Emotional	20.0 (15.0–24.0)	19.0 (5.2)	7–29
Consequence	21.0 (16.5–24.0)	20.0 (5.1)	8–29
Digestive Diseases Acceptance Qst
Activities engagement	43.0 (37.0–50.0)	42.9 (9.7)	22–60
Symptom tolerance	29.0 (22.5–36.0)	28.7 (9.4)	12–48
Brief Symptom Inventory	7.0 (2.5–11.5)	9.8 (10.6)	0–53
SF-12v2
Physical Component Summary	51.3 (47.8–53.8)	50.6 (6.1)	32–65
Mental Component Summary	42.0 (33.1–51.1)	41.7 (11.1)	14–60

IBDQ, Inflammatory Bowel Disease Questionnaire; IPQR, Illness Perceptions Questionnaire Revised; SF-12v2; Short Form Health Survey Version 2.

^aRelated to GI symptoms only.

^bRelated to GI symptoms in the past year.