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

Table 2

Prevalence of nonocclusal parafunctions in tested population.

Gender	Feature
	Total	Gum chewing	Lip biting	Nail biting	Skin biting around nails	Objects biting	Cheek biting
Women	238 (52%)	199 (44%)	148 (32%)*	49 (11%)	105 (23%)	95 (21%)	111 (24%)
Men	166 (36%)	133 (30%)	87 (19%)	39 (9%)	63 (14%)	58 (13%)	71 (16%)
Total	404 (89%)	332 (73%)	235 (52%)	88 (19%)	168 (37%)	153 (34%)	182 (40%)

^∗𝑃<0.05 comparison between women and men; (%) percentage off all respondents; respondents declared more than one parafunction.