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. Author manuscript; available in PMC: 2009 Feb 21.
Published in final edited form as: Gastroenterology. 2007 May 21;133(2):433–444. doi: 10.1053/j.gastro.2007.05.014

Table 1.

Baseline Demographic Characteristics of the Study Sample

CBT
PE
WL
Variable (n=95) (n=28) (n=24)
Mean Age 47.71 (14.11) 54.37 (12.35) 47.57 (15.71)
Female, n (%) 77.9 89.3 87.5
Ethnicity, n (%)
Caucasian 91.6 96.4 91.6
African American 6.3 0.0 4.2
Other 2.1 4.6 4.2
Mean Symptom Duration (years) 17.14 (15.79) 18.56 (13.98) 14.48 (15.17)
Predominant Bowel Habit
Diarrhea 44.2 57.1 45.8
Constipation 12.6 7.2 16.7
Alternating 43.2 35.7 37.5
Marital Status
Single 17.9 14.3 12.5
Married 60.0 50.0 54.2
Living with Significant Other 2.1 3.6 4.2
Divorced 12.6 25.0 12.5
Widowed 4.2 7.1 16.7
Education Level
Less then High School 3.2 3.6 4.2
Graduated from High School 18.9 25.0 20.8
Some College 24.2 21.4 25.0
Graduated from College 27.4 14.3 12.5
Postgraduate School 26.3 35.7 37.5

Note. N = 147. CBT indicates cognitive behavior therapy,; PE, psychoeducation; WL, wait list