Prevalence and Correlation between TMD Based on RDC/TMD Diagnoses, Oral Parafunctions and Psychoemotional Stress in Polish University Students

Table 5

Comparison of answers to selected questions of the questionnaire in the group of students exhibiting muscle disorders.

Selected question	Selected RDC/TMD diagnoses
	GROUP I
	Muscle disorders
	I (total)	Ia	Ib
Emotional burden
Yes	58 (13%)∗$	48 (11%)#$	10 (3%)
No	24 (5%)	20 (4%)	4 (<1%)
Fatigue and tightness of the facial muscles
Yes	44 (10%)∗$	38 (8%)#$	6 (1%)
No	38 (8%)	30 (7%)	8 (2%)
Cervical muscle pain
Yes	55 (12%)∗$	43 (9%)#$	12 (3%)∧$
No	27 (6%)	25 (5%)	2 (<1%)
Headache
Yes	50 (11%)∗$	39 (9%)#$	11 (2%)∧$
No	32 (7%)	29 (6%)	3 (<1%)

^∗𝑃<0.05 comparison between group I (total) and students without muscle disorders; ^#𝑃<0.05 comparison between group IIa and students without muscle disorders; ^∧𝑃<0.05 comparison between group Ib and students without muscle disorders; ^$𝑃<0.05 comparison between percentage of “yes” answers with percantage of “no” answers in the RDC/TMD group; (%) percentage off all respondents.