Table 1. Demographic and clinical characteristics between treatment conditions of study participants with treatment-resistant depression at baseline (N=173).

Demographic Characteristics	MBCT*		HEP*
Variable	Mean	SD	Mean	SD
Age years (range)	47.1(21-69)	13.46	45.2(16-85)	11.19
Education (years)	15.6	2.01	15.9	2.15
Female (%)	75.9		76.7
Ethnicity (%)
Hispanic	8.3		11.6
Race (%)
White	82.4		82.1
Asian	4.7		5.6
African American	8.2		8.3
Other	4.7		2.4
Employment (%)
Full-time	28.7		39.5
Part-time	18.4		22.1
Unemployed/student/homemaker	36.8		31.4
Retired	11.5		7.0
Disability (%)
Mental Health	19.5		15.1
Physical	8.1		7.0
Marital Status (%)
Single	37.9		47.7
Married/cohabitating	25.3		24.4
Divorced/separated/widowed	21.8		12.8
Clinical Characteristics	MBCT*		HEP*
Variable	Mean	SD	Mean	SD
Age at depression onset	18.8	10.86	21.7	13.24
Total number depressive episodes	3.8	2.61	3.5	2.37
Length of current depressive episode (months)	84.4 1	19.51	78.5	93.5
HAM-D17 score	18.3	3.36	17.4	3.48
Chronic depression (> 2 years duration)	54.0		64.0
<3 episodes (%)	35.2		40.3
≥ 3 Lifetime episodes (%)	64.8		59.7
Previous Number of depressive episodes	3.80		3.52
Number of adequate ATHF trials in episode	2.9		3.06
Previous Psychiatric Hospitalizations (%)	16.1		18.6
History of Suicide Attempt (%)	21.8		22.1
Comorbid Anxiety Disorder	56.3		63.9
Eating Disorder	13.8		11.6
Personality Disorder	11.49		20.9
Recruitment Source (%)
General Internal Medicine	34.5		36.1
Psychiatry Clinic	43.7		39.5
Community	21.8		24.4

MBCT= Mindfulness-Based Cognitive Therapy; HEP = Health Enhancement Program

^*There were no significant differences between conditions on any demographic or clinical variable.