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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: J Consult Clin Psychol. 2011 Apr;79(2):171–181. doi: 10.1037/a0022489

Table 1.

Comorbid Diagnoses and Demographic Characteristics of the Sample

CBT+IEP n = 43 CBT+SL n = 40 χ2 p d Total n = 83
Major Depression 25.6% (n=11) 27.5% (n=11) 26.5% (n = 22)
Depressive Disorder NOS 0% (n = 0) 2.5% (n = 1) 1.2% (n = 1)
Bipolar Disorder 2.5% (n = 1) 0% (n = 0) 1.2% (n = 1)
Obsessive Compulsive Disorder 4.7% (n = 2) 7.5% (n = 3) 6% (n = 5)
PTSD 7% (n = 3) 5% (n = 2) 6% (n = 5)
Social Phobia 65.1% (n = 28) 60% (n = 24) 62.7% (n = 52)
Specific Phobia 44.2% (n = 19) 30% (n = 12) 37.3% (n = 31)
Panic Disorder 18.6% (n = 8) 17.5 % (n = 7) 18.1% (n = 15)
Agoraphobia 14% (n = 6) 12.5% (n = 5) 13.3% (n = 11)
Dysthymia 9.3% (n = 4) 5% (n = 2) 7.2% (n = 6)
Pain Disorder 4.7% (n = 2) 5% (n = 2) 4.8% (n = 4)
Hypochondriasis 7% (n = 3) 2.5% (n = 1) 4.8% (n = 4)
At least one comorbid Axis I disorder 86% (n = 37) 82.5% (n = 33) 0.20 .66 0.10 84.3% (n = 70)
Borderline Personality Disorder 7.1% (n=3) 2.6% (n=1) 4.9% (n = 4)
Narcissistic Personality Disorder 4.8% (n=2) 5.1% (n =2) 4.9% (n = 4)
Avoidant Personality Disorder 33.3% (n = 14) 25.6% (n =10) 29.6% (n = 24)
Depressive Personality Disorder 23.8% (n = 10) 46.2% (n = 18) 34.6% (n = 28)
Dependent Personality Disorder 2.4% (n = 1) 7.7% (n = 3) 4.9% (n = 4)
Negativistic Personality Disorder 11.9% (n = 5) 12.8% (n = 5) 12.3% (n = 10)
Obsessive Compulsive Personality Disorder 33.3% (n =14) 46.2% (n = 18) 39.5% (n = 32)
Paranoid Personality Disorder 7.1% (n = 3) 17.9% (n = 7) 12.3% (n = 10)
At least one personality disorder 65% (n = 26) 71.1% (n = 27) 0.33 .57 0.13 67.9% (n = 53)

I/EP+CBT n = 43 CBT+SL n = 40 χ2 or F value p d Total n = 83

Age 36.93 37.39 0.03 .86 0.04 37.41
M (SD) (12.31) (11.99) (12.24)
Duration of GAD in years 11.26 11.51 0.01 .94 0.02 11.95
M (SD) (13.56) (13.97) (14.94)
Gender 0.61 .44 0.17
 Female 72.1% (n = 31) 80% (n = 32) 75% (n = 63)
 Male 27.9% (n = 12) 20% (n = 8) 25% (n = 21)
Ethnicity 0.61 .53 0.17
 White 93% (n = 40) 90% (n = 36) 91.7% (n = 77)
 African American 0% (n = 0) 2.5% (n = 1) 1.2% (n = 1)
 Asian American 2.3% (n = 1) 5% (n = 2) 3.6% (n = 3)
 Hispanic 4.7% (n = 2) 2.5% (n = 1) 3.6% (n = 3)
Education 0.01 .91 0.03
 High School 30.2% (n = 13) 17.5% (n = 7) 23.8% (n = 20)
 College 34.9% (n = 15) 60% (n = 24) 46.5% (n = 39)
 Masters 30.2% (n = 13) 20% (n = 8) 25% (n = 21)
 Ph.D. 4.7% (n = 2) 2.5% (n = 1) 4.8% (n = 4)
Marital Status 3.11 .38 0.37
 Single 46.5% (n = 20) 35% (n = 14) 40.5% (n = 34)
 Married 39.5% (n = 17) 52.5% (n = 21) 46.4% (n = 39)
 Divorced 14% (n = 6) 12.5% (n = 5) 13.1% (n = 11)
On Psychotropic Medication 0.48 .49 0.15
 Yes 37.2% (n = 16) 30% (n = 12) 34.5% (n = 29)
 No 62.8% (n = 27) 70% (n = 28) 65.5% (n = 55)

Note. CBT = cognitive-behavioral therapy; IEP = interpersonal and emotional processing therapy; SL = supportive listening; NOS = not otherwise specified; PTSD = posttraumatic stress disorder; GAD = generalized anxiety disorder.