Table 1.

Baseline demographic characteristics of CFS study sample.

Age, M(SD)	46.11 (11.8)
Length of illness in years, M(SD)	16.5 (10.3)
Sex, female n(%)	129 (87.2%)
SF36 PFS, M(SD)	68.58 (20.6)
Fatigue Severity Scale, M(SD)	6.57 (0.74)
COMPASS 31, M(SD)	31.03 (15.2)
DASS-21 – Anxiety, M(SD)	4.54 (3.3)
DASS-21 – Depression, M(SD)	4.31 (4.3)
DASS-21 – Stress, M(SD)	7.06 (3.7)
Marital Status, n(%)
Single/divorced/separated	67 (47.9%)
Living with partner	71 (50.8%)
Ethnicity, n(%)
European	130 (90.9%)
Latino	7 (4.9%)
Black	4 (2.8%)
Asian	2 (1.4%)
Native American	1 (0.7%)
Employment, n(%)
Working full time	25 (19.2%)
Working half time/part time	14 (10.8%)
Unemployed	44 (33.8%)
Receiving disability benefits	44 (33.8%)

SF36 PFS = Short-form 36 Physical Function Subscale; COMPASS = Composite Autonomic Symptom Score-31; DASS-21 = Depression, Anxiety and Stress Scale.