Table 4.

Association of different factors with TMD in study participants.

Study variables	Unadjusted odds ratio (95% confidence interval)	P value	Adjusted odds ratio (95% confidence interval)	P value
College	0.86 (0.65, 1.14) 1.11 (0.8, 1.54)	0.309 0.534	1 (0.73, 1.38) 1.07 (0.75, 1.54)	0.979 0.703
Dental college∗
Medical college
Pharmacy college
Gender	1.34 (0.57, 0.97)	0.030	1.4 (1.02, 1.94)	0.039
Male
Female∗
Academic year	1.21 (0.89, 1.63)	0.224	1.33 (0.96, 1.86)	0.090
Preclinical years∗
Clinical years
Grade point average (GPA)	0.8 (0.61, 1.05)	0.103	0.89 (0.64, 1.23)	0.478
Low∗
High
Father's education level	0.9 (0.68, 1.18)	0.438	0.97 (0.71, 1.32)	0.832
No/school education
College/university education∗
Mother's education level	0.86 (0.66, 1.12)	0.263	0.91 (0.67, 1.22)	0.524
No/school education
College/university education∗
Monthly family income (N  =  656)	1.48 (0.92, 2.38) 1.02 (0.76, 1.36)	0.101 0.893	1.45 (0.86, 2.44) 1.01 (0.74, 1.38)	0.165 0.946
Low
Middle
High∗
Test anxiety	1.86 (1.42, 2.43)	<0.001	1.92 (1.46, 2.53)	<0.001
Low
High∗

^∗Reference categories.