Table 2.

Relationship Between Severity of GI Symptoms (Measured by GSRS Score) and Anxiety Symptoms

	Model 1		Model 2		Model 3
	β/OR (95% CI)	P value	β/OR (95% CI)	P value	β/OR (95% CI)	P value
Total GSRS score	0.247 (0.012–0.031)	<0.001	0.246 (0.012–0.031)	<0.001	0.214 (0.009–0.028)	<0.001
GSRS score categories
0–4	Reference		Reference		Reference
5–7	2.556 (1.189–5.492)	0.016	2.528 (1.173–5.447)	0.018	2.597 (1.152–5.851)	0.021
8–10	2.994 (1.474–6.083)	0.002	2.959 (1.454–6.024)	0.003	3.182 (1.494–6.779)	0.003
11–37	3.808(1.839–7.889)	<0.001	3.798 (1.828–7.892)	<0.001	3.348 (1.548–7.243)	0.002
P for trend	0.001		0.003		<0.001

Notes: Model 1: no covariates were adjusted; Model 2: age and gender were adjusted; Model 3: all the covariates presented in Table 1 were adjusted.