How are you? Do people with inflammatory bowel disease experience response shift on this question?

Table 4 Best predictive model of EVGGFP over time

Variable	Scale	Beta (SE)	p
Active disease	Y/N	0.242 (0.039)	<.0001
IBDQ systemic	0–6	0.070 (0.022)	0.0014
SF-36 vitality	100–0	0.010 (0.001)	<.0001
SF-36 pain	100–0	0.006 (0.001)	<.0001
BSI somatization*	0–83.33	0.005 (0.002)	0.0021
BSI psychoticism	(30–85) vs (0–25)	0.207 (0.070)	0.0030
SF-36 physical function	100–0	0.008 (0.001)	<.0001
IBDQ social function	6.5 v 7	0.047 (0.043)	0.2702
	5.5–6.5 v 7	0.086 (0.049)	0.0792
	<4.5 v 7	0.133 (0.061)	0.0295

Predictors modeled with lower as the better score and higher as worse. Gender was also included, as it explained variance, but only time-dependent variables contribute to the residuals that are modeled. BSI = Brief Symptom Inventory; IBDQ = Inflammatory Bowel Disease Questionnaire.
*excluding nausea/upset stomach.

ISSN: 1477-7525