Table 1.

Patient demographic characteristics (N=105).

Variable	Total sample (N=105)
Age	47.1±13.5 (range 18-79)
Gender (% female)	63.8
Ethnicity (% Caucasian)	84.6
Pain duration (years) Pain site (%):	11.8±12.6 (range 0.5-46)
Multiple sites	32.3
Low back	25.2
Lower extremity	9.7
Abdominal/pelvic	9.7
Cervical	7.8
Other	15.5
Cancer (% yes)	19.0
BMI	31.1±7.3 (range 15.6-53.5)