Table 4.

Ulcerative Colitis-- Association of Abdominal Pain with Biologic & Psychological Factors

Variable	β	95% Confidence Interval	p-value	R2
Depression (CDRS)*	0.031	0.012, 0.050	0.002	21.5
Anxiety (SCARED)	0.010	−0.012, 0.033	0.360	2.2
Rectal Bleeding (PUCAI_2)
Level 2	0.667	−0.061, 1.396
Level 3	0.824	−0.269, 1.917
Level 4	0.487	−0.390, 1.365	0.166	13.0
Diarrhea- Stool Form (PUCAI_3)
Level 2	0.568	−0.161, 1.296
Level 3	0.198	−0.491, 0.888	0.299	6.5
Diarrhea – Stool Frequency (PUCAI_4)
Level 2	−0.034	−0.684, 0.616
Level 3	0.469	−0.357, 1.295
Level 4	1.212	0.166, 2.307	0.114	15.1
Diarrhea—Nocturnal Stools (PUCAI_5)*	0.636	0.011, 1.260	0.046	10.1
Diarrhea Total (PUCAI2-5 SUM)	0.014	−0.001, 0.029	0.071	8.5
Ln ESR	−0.188	−0.590, 0.215	0.351	2.4
Ln Albumin	0.572	−1.217, 2.361	0.521	1.2
Ln Hematocrit	−0.346	−2.198, 1.506	0.707	0.4
Ln CRP	0.011	−0.251, 0.273	0.933	0.03
Activity Level (PUCAI_6)
Level 2	−0.147	−0.925, 0.631
Level 3	0.560	−1.223, 1.243	0.188	8.6
Modified PUCAI*	0.013	0.0004, 0.025	0.043	10.3
PUCAI*	0.013	0.002, 0.025	0.027	12.2

^*p<0.05