Identifying potential predictors of pain–related disability in Turkish patients with chronic temporomandibular disorder pain

Table 1 Demographic, behavioral, psychological, and psychosocial characteristics of the 104 TMD patients with chronic pain, according to pain location

Characteristics	RDC/TMD subgroups			p value
	Group A (43)	Group B (20)	Group C (41)
Gender ^a
Male	22 (51.2%)	6 (30%)	12 (29.3%)	0.082
Female	21 (48.8%)	14 (70%)	29 (70.7%)
Depression^b (Mean ± SD)	1.57 ± 0.89	1.13 ± 0.87	1.45 ± 0.95	0.213
Somatization^b (Mean ± SD)	1.64 ± 0.81	1.25 ± 0.90	1.79 ± 0.95	0.085
Pain duration^c (Mean ± SD)	20.67 ± 20.50	33.55 ± 44.31	27.65 ± 26.33	0.446
Jaw disability checklist ^b (Mean ± SD)	5.25 ± 2.70	5.40 ± 2.50	5.60 ± 3.02	0.845
CPI^b (Mean ± SD)	63.10 ± 19.27	59.50 ± 16.62	66.34 ± 20.55	0.420
Age^b (Mean ± SD)	30.69 ± 9.58	35.80 ± 10.30	35.21 ± 11.11	0.077
Treatment-seeking^a
No	19 (44.2%)	8 (40%)	16 (39%)	0.883
Yes	24 (55.8%)	12 (60%)	25 (61%)
Disability ^a
High	12 (46.2)	5 (19.2)	9 (34.6)	0.820
Low	31 (39.7)	15 (19.2)	32 (41)

SD, standard deviation; CPI, Characteristic Pain Intensity; Group A, myofascial pain only; Group B, joint pain only due to disk displacement; Group C, myofascial and joint pain due to disk displacement.
^a Statistical evaluation by the chi-square test.
^bStatistical evaluation by t test.
^cStatistical evaluation by Mann–Whitney U test.

ISSN: 1129-2377