Table 4 Correlations between the different variables for the control (before Covid) and case (during Covid) groups
| Â | Â | Before Covid (BC) | During Covid (DC) | ||
|---|---|---|---|---|---|
TMD category | Variables | Total-DASS | Total-PSQI | Total-DASS | Total-PSQI |
Painful TMDs | Total-DASS | - | - | - | - |
Total-PSQI | 0.47** | - | 0.56** | - | |
Total-OHIP | 0.61** | 0.32** | 0.54** | 0.27** | |
Non-painful TMDs | Total-DASS | - | - | - | - |
Total-PSQI | 0.47** | - | 0.46** | - | |
Total-OHIP | 0.63** | 0.37** | 0.41** | 0.32** | |