Table 1.

Demographics and clinical characteristics of the sample

	Females	Males	Total
Age	45.74 (16.80)	58.00 (16.26)	47.56 (17.21)
Ethnicity (White)	93.0%	93.3%	93.1%
College or above	87.2%	86.7%	87.2%
Married	52.3%	53.3%	52.5%
Employed	67.4%	53.3%	65.3%
Non-GI symptoms 12 months★	5.91 (3.52)	6.64 (4.15)	6.01 (3.59)
Duration of Illness (months)	197.42 (184.48)	200.90 (190.73)	197.88 (184.00)
IBS severity (IBS-SSS)	288.14 (80.55)	277.47 (90.04)	287.43 (80.70)
IBS severity (GSRS-IBS)	47.52 (12.35)	41.93 (12.08)	46.59 (12.40)
Pain severity (SF-36)	51.04 (19.58)	50.89 (23.95)	50.80 (19.97)
Quality of life	56.84 (19.15)	62.57 (18.57)	57.63 (19.29)
Distress (BSI-GSI)★	0.68 (0.44)	0.68 (0.48)	0.68 (0.045)
Perceived stress	19.18 (7.65)	17.52 (7.01)	18.92 (7.45)
Social support	5.67 (1.00)	5.57 (1.44)	l5.65 (1.05)

^★Only 71 female patients and 11 male patients reported this data. All other data except those noted are based on female N = 86, male N = 15.