Table 3.
Correlations among the various variables for all participants, older adolescent, and young adult TMD patients.
| Groups | Variables | PI | PHQ-9 | GAD-7 | Total OBC | JFLS-8 |
|---|---|---|---|---|---|---|
| All participants | PI | – | ||||
| PHQ-9 | 0.22*** | – | ||||
| GAD-7 | 0.21*** | 0.79*** | – | |||
| Total OBC | 0.14** | 0.35*** | 0.29*** | – | ||
| JFLS-8 | 0.35*** | 0.30*** | 0.33*** | 0.24*** | – | |
| Total OHIP | 0.39*** | 0.54*** | 0.61*** | 0.35*** | 0.53*** | |
| Older adolescent (OA) | PI | – | ||||
| PHQ-9 | 0.21** | - | ||||
| GAD-7 | 0.21** | 0.80*** | – | |||
| Total OBC | 0.21** | 0.46*** | 0.39*** | – | ||
| JFLS-8 | 0.39*** | 0.31*** | 0.32*** | 0.40*** | – | |
| Total OHIP | 0.40*** | 0.51*** | 0.54*** | 0.48*** | 0.55*** | |
| Young adult (YA) | PI | – | ||||
| PHQ-9 | 0.23*** | – | ||||
| GAD-7 | 0.23*** | 0.77*** | – | |||
| Total OBC | 0.11 | 0.26*** | 0.19** | – | ||
| JFLS-8 | 0.32*** | 0.30*** | 0.35*** | 0.14* | – | |
| Total OHIP | 0.42*** | 0.56*** | 0.66*** | 0.27*** | 0.53*** |
PI: Pain intensity; PHQ-9: Patient Health Questionnaire-9 (depression); GAD-7: General Anxiety Disorder-7 (anxiety); WI-8: Whiteley Index-8 (health anxiety); OBC: Oral Behaviors Checklist (jaw overuse behavior); JFLS-8: Jaw Functional Limitation-8 (jaw functional limitation); OHIP: Oral Health Impact Profile for TMDs (OHRQoL). Results of Spearman’s correlation with Benjamini-Hochberg adjustment. *indicates p < 0.05, ** indicates p < 0.01, *** indicates p < 0.001,and bold indicates correlation coefficient > 0.4.