Effect of cognitive behavior therapy combined with exercise intervention on the cognitive bias and coping styles of diarrhea-predominant irritable bowel syndrome patients

Table 1 General demographics of the subjects (n = 87, mean ± SD)

Group	Number	Sex, male/female	Age, yr	Time of education, yr	BMI, kg/m2	Course of disease, yr
CBT+E	28	7/21	33.75 ± 2.57	14.57 ± 2.54	21.67 ± 1.38	8.68 ± 1.80
Control	29	7/22	36.86 ± 2.54	15.03 ± 2.54	21.90 ± 1.36	8.66 ± 2.00
Healthy	30	7/23	35.30 ± 2.75	14.93 ± 2.55	22.27 ± 1.63	-
t/χ2		0.02	9.47	3.37	1.22	3.29
P value		0.98	0.48	0.18	0.29	0.77