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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: Psychosom Med. 2013 Jul 25;75(8):713–720. doi: 10.1097/PSY.0b013e31829def54

Table 1.

Baseline Patient Characteristicsa,b

All (n = 1004) Zero or One Chronic Medical Conditions (n =422 ) Two+ Chronic Medical Conditions (n =582) p value
Age in years, mean (SD) 43.5 (13.4) 37.7 (11.7) 47.7 (13.1) <.001

Gender, % Women 71.1 (714) 69.2 (292) 72.5 (422) .252

Education .033
 < High school 5.5 (55) 3.6 (15) 6.9 (40)

 12 years 16.5 (165) 15.0 (63) 17.6 (102)

 > 12 years 78.0 (782) 81.5 (343) 75.6 (439)

Ethnicity .048
 Hispanic 19.5 (196) 22.0 (93) 17.7 (103)

 African American 11.6 (116) 8.8 (37) 13.6 (79)

 White 56.6 (568) 57.8 (244) 55.7 (324)

 Other 12.4 (124) 11.4 (48) 13.1 (76)

Diagnosesc
 Panic Disorder 47.3 (475) 48.6 (205) 46.4 (270) .493

 Generalized Anxiety 75.3 (756) 73.2 (309) 76.8 (447) .194

 Social Phobia 40.3 (405) 41.7 (176) 39.4 (229) .452

 Posttraumatic Stress 18.0 (181) 12.8 (54) 21.8 (127) <.001

 Major Depression 64.5 (648) 57.4 (242) 69.8 (406) <.001

Type of health insurancec
 Medicaid 10.1 (101) 5.0 (21) 13.8 (80) <.001

 Medicare 12.4 (124) 3.6 (15) 18.7 (109) <.001

 Other government insuranced 3.5 (35) 3.8 (16) 3.3 (19) .643

 Private insurance 74.8 (749) 78.1 (328) 72.3 (421) .039

 No insurance 14.1 (141) 16.4 (69) 12.4 (72) .069

Any Opiate Use 8.6 (86) 1.9 (8) 13.4 (78) <.001

Any Pain 43.9 (441) 26.3 (111) 56.7 (330) <.001

Proportion assigned to CALM 50.1 (503) 51.7 (218) 49.0 (285) .400

Baseline BSI-A, mean (SD) 10.1 (5.2) 9.5 (5.1) 10.5 (5.3) .003

Baseline SDS, mean (SD) 17.0 (7.3) 16.0 (7.3) 17.6 (7.1) .001
a

Data are reported as % (n) unless otherwise indicated.

b

Baseline characteristics for patients with Zero or One vs. Two or More Chronic Medical Conditions were compared using t tests and χ2 tests for continuous and categorical variables, respectively.

c

Because patients could have more than one, n’s may total more than 1004.

d

Includes Veterans’ Administration benefits, TRICARE, county programs, or other government insurance.

CALM = Coordinated Anxiety Learning and Management; BSI-A = Brief Symptom Inventory – Anxiety subscale (possible score range = 0 to 24); SDS = Sheehan Disability Scale (modified to capture anxiety-related disability; possible score range = 0 to 30)