Table 1.

Primary Diagnoses and Descriptive Statistics of the Sample.

	Total Sample	Muscle Pain	TMJ Pain	Neuropathic Pain	Headache Pain	Dento-Al. Pain	Other Pain
	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)
n	2,133	1,072	743	119	66	24	109
% Female	85.9%	87.6%	86.7%	74.8%	84.8%	87.5%	76.1%
% Employed	58.5%	57.7%	64.7%	36.4%	59.4%	54.5%	49.5%
% Married	61.2%	62.9%	61.0%	68.6%	65.6%	52.2%	70.5%
Age	41.06 (14.24)	41.23 (13.61)	38.98 (14.99)	49.99 (13.10)	38.09 (11.23)	43.63 (11.09)	44.96 (13.91)
Pain Duration (months)	67.35 (89.97)	72.43 (91.64)	60.27 (85.46)	54.50 (72.10)	94.87 (105.25)	59.39 (102.28)	69.59 (105.29)
Pain Intensity	51.12 (25.14)	53.31 (23.16)	45.90 (24.35)	61.21 (25.19)	58.92 (21.73)	54.08 (21.68)	48.93 (25.38)
Sleep Disturbance	1.56 (0.88)	1.66 (0.88)	1.42 (0.85)	1.61 (0.93)	1.82 (0.86)	1.38 (0.92)	1.49 (0.81)
Depression	57.47 (11.14)	58.57 (11.05)	55.03 (10.52)	59.08 (11.63)	62.97 (9.45)	56.75 (11.45)	58.15 (13.08)
Psychological Distress	58.40 (11.29)	59.86 (11.07)	55.62 (10.72)	59.29 (11.54)	64.03 (9.44)	56.17 (13.84)	58.95 (13.26)
Pain Interference	36.98 (17.69)	38.95 (17.15)	30.87 (16.66)	45.20 (15.82)	51.02 (14.18)	37.11 (18.25)	41.52 (19.36)
Total Fatigue	3.77 (4.07)	4.43 (4.14)	2.60 (3.61)	4.04 (4.21)	5.67 (4.02)	3.68 (3.32)	3.76 (4.43)
General Fatigue	1.92 (1.21)	2.07 (1.20)	1.68 (1.17)	1.87 (1.25)	2.40 (1.08)	2.06 (1.26)	1.89 (1.22)
Mental Fatigue	1.06 (0.97)	1.17 (1.01)	0.87 (0.84)	1.12 (1.04)	1.41 (1.04)	0.95 (0.73)	1.11 (1.10)
Emotional Fatigue	1.22 (1.01)	1.35 (1.04)	0.96 (0.88)	1.33 (1.08)	1.63 (1.11)	1.29 (1.09)	1.26 (1.10)
Physical Fatigue	1.15 (0.99)	1.33 (1.03)	0.88 (0.88)	1.10 (1.01)	1.41 (0.97)	0.87 (0.96)	1.07 (0.94)
Vigor	1.58 (0.87)	1.48 (0.85)	1.79 (0.87)	1.39 (0.83)	1.18 (0.71)	1.49 (0.86)	1.57 (0.88)

Notes: TMJ = temporomandibular joint; Dento-Al. = dento-alveolar