Table 3.
Putative TMD Risk Factors with the Largest Importance Scores
| Variable | Importance Score |
|---|---|
| Count of 20 comorbid conditions | 100.0 |
| Count of 6 non-specific orofacial symptoms | 92.9 |
| Study site | 90.7 |
| Bodily pain (SF-12v2) | 80.6 |
| Oral parafunction sum score (OBC) | 66.0 |
| Could not open mouth wide in the last month | 54.1 |
| Age | 51.6 |
| # of palpation sites with pain (right masseter) | 50.0 |
| Marital status | 44.7 |
| Somatic symptom reporting (PILL) | 42.4 |
| General health (SF-12v2) | 31.8 |
| Ever had orthodonic procedures | 29.3 |
| Race | 25.1 |
| # of palpation sites with pain (left masseter) | 23.0 |
| HRV: total power (color-word Stroop) | 19.1 |
| # of painful anatomical locations during protrusion | 16.3 |
| Average mean arterial pressure (pain-affect Stroop) | 16.2 |
| # of different types of headaches in the last year | 16.1 |
| Average mean arterial pressure (color-word Stroop) | 15.8 |
| Pain with TMJ noises in the past month | 15.4 |
| Sleep latency (PSQI) | 12.7 |
| Average heart rate - ECG (pain-affect Stroop) | 12.6 |
| Lifetime U.S. residence | 12.4 |
| Count of 10 IBS symptoms | 11.9 |
| Functional limitation in jaw opening (JFLS) | 11.5 |
| Self-rated general health | 11.1 |
| Could not open mouth wide prior to 1 month ago | 10.8 |
| HRV: total power (pain-affect Stroop) | 10.8 |
| # of painful anatomical locations during right lateral excursion | 10.6 |
| Catastrophizing - magnification (PCS) | 10.4 |