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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: J Pain. 2009 Oct 22;11(2):186. doi: 10.1016/j.jpain.2009.07.008

Table 1.

Sample characteristics.

Characteristic TMD (n = 39) Healthy (n = 22)
TMD Duration (in months; Mean, SD) 110.26 (103.04)
Age (Mean, SD)a 33.79 (12.00) 25.91 (5.76)
Sex (% Female) 82.1 95.5
Ethnicity
 Non-Hispanic White 79.5 40.9
 African-American 7.7 27.3
 Asian-American 7.7 22.7
 Multi-Racial 5.1 4.5
Education (%)
 High School or Less 5.1 N/A
 Some College 17.9 27.3
 College Graduate or Greater 77 72.7
Occupational Status (% Employed) 94.9 100
Marital Status (% Married)a 14 1
BMI (Mean, SD) 24.66 (5.08) 23.54 (4.24)
PCS (Mean, SD) a 14.05 (8.81) 8.91 (6.77)
BSI-D (Mean, SD) a .33 (.34) .08 (.17)

Note. BMI = Body Mass Index; PCS = Pain Catastrophizing Scale total scores; BSI-D = Brief Symptom Inventory – Depression subscale scores. Subscript indicates a statistically significant group difference at p < .05.