Table 1.
Sociodemographic characteristics and frequency of RDC/TMD-based diagnoses and pain-related psychosocial disability in TMD pain patients
| TMD Group mean (sd) or % |
|
|---|---|
| Age in yrs | 38.1 (16.0) |
| Women | 78.1 |
| Education | |
| 10 or less yrs of schooling+ | 42.9 |
| 11/12 yrs of schooling | 36.5 |
| >12 yrs of schooling | 16.6 |
| Characteristic pain intensity in 0–100 scale | 52.7 (18.4) |
| Presence of headache# | 52.8 |
| Axis I diagnoses | |
| Myofascial pain (Ia) | 34.6 |
| Myofascial pain with limited opening (Ib) | 26.9 |
| Disc displacement with reduction (IIa) | 37.2 |
| Disc displacement without reduction, with limited opening (IIb) | 6.0 |
| Disc displacement without reduction, without limited opening (IIc) | 4.7 |
| Arthralgia (IIIa) | 36.5 |
| Osteoarthritis of the TMJ (IIIb) | 3.7 |
| Osteoarthrosis of the TMJ (IIIc) | 2.3 |
| Axis II measures | |
| Graded Chronic Pain Scale | |
| Grade I | 34.6 |
| Grade II | 52.5 |
| Grade III | 8.6 |
| Grade IV | 4.3 |
| Jaw disability | |
| 0–3 limited oral functions† | 44.9 |
| 4–7 limited oral functions | 41.2 |
| 8–12 limited oral functions | 14.0 |
| Depression | |
| Normal* | 54.7 |
| Mild to moderate depression | 18.1 |
| Severe depression | 27.2 |
| Somatisation | |
| Normal | 51.5 |
| Mild to moderate somatisation | 26.9 |
| Severe somatisation | 21.6 |
Above noted fields missing data;
+
N=12,
#
N=5,
*
N=36.
†
Jaw disability score cut-points at 70th and 90th percentiles of a clinic-based TMD study (see Reissmann et al, 2007 for more details)