Table 3: Correlations of Questionnaire Items with TMD-Related Symptoms

Questionnaire Items Pearson’s Correlation Coefficient (r) P-Value
Stress level 0.128 < 0.001
Feeling of anxiety 0.169 < 0.001
Depressed mood 0.165 < 0.001
Chronic fatigue 0.178 < 0.001
TCH 0.107 < 0.001
Morning symptoms 0.261 < 0.001

TCH: tooth contacting habit.