The association of severely worn dentition resulting from betel nut chewing with temporomandibular disorders: a cross-sectional study

Table 6 Multivariable logistic regression analysis on the association of low and high levels of betel nut chewing with intra-articular TMD. Data are shown as OR and 95% CIs

Variable	P value	OR and 95%CIs	R²
Age	0.025	0.982 (0.967–0.998)	0.050
Gender	< 0.001	3.323 (1.856–5.951)
Levels of betel nut chewing	0.001	1.336 (1.133–1.575)
OSF	0.962
Number of missing teeth	0.785
Number of dental quadrants with missing teeth	0.411
Visible third molar	0.231
Orthodontic history	0.737

ISSN: 1472-6831