Table 6.

Factors of the occurrence of anxiety.

	Unitivariable analysis			Multivariable analysis
	P	OR	95%CI	P	OR	95%CI
Gender (male)	0.033*	0.582	0.354–0.957	0.064	0.546	0.288–1.036
Age
20–30
30–40	<0.001*	4.859	2.038–11.588	0.061	3.738	0.94–14.869
40–50	0.025*	3.131	1.158–8.465	0.169	2.997	0.627–14.322
50–60	0.009*	3.5	1.368–8.954	0.187	2.659	0.622–11.367
60–70	0.366	1.648	0.558–4.863
Marital status
Married
Single	0.027*	0.472	0.242–0.920	0.71	0.825	0.299–2.278
Divorced	0.758	1.168	0.434–3.143
Occupation
State-owned units
Private units	0.4	0.77	0.419–1.415
Freelance work	0.093	0.565	0.291–1.1
Retired	0.532	0.792	0.381–1.646
Education level
Elementary 0
Middle school	0.945	0.931	0.122–7.081
Bachelor or above	0.862	0.839	0.116–6.065
Socio-economic status
Very low
Low	0.184	1.875	0.742–4.737
Middle	0.097	2.202	0.868–5.59
High	0.019*	3.013	1.197–7.585	0.057	3.623	0.964–13.625
Smoking	0.118	0.543	0.252–1.168
Drinking	0.486	0.811	0.45–1.461
Frequency of going to the dental clinics
Regular check
Seldom	0.746	0.843	0.3–2.372
When necessary	0.369	1.45	0.645–3.261
Never	0.351	1.664	0.571–4.853
Voluntary service	0.464	1.195	0.742–1.926
Vaccination	0.172	0.639	0.336–1.214
TMD symptoms
No symptoms of TMD
Symptoms of TMD without pain	0.015*	2.16	1.158–4.03	0.191	1.701	0.768–3.767
Symptoms of TMD with pain	0.002*	6.049	1.953–18.736	0.245	2.314	0.563–9.51
Tooth loss	0.023*	1.812	1.085–3.025	0.469	0.777	0.393–1.537
Sleep disorder	<0.001*	4.957	2.964–8.29	<0.001*	3.468	1.83–6.574
Tinnitus	0.002*	2.188	1.323–3.617	0.944	1.026	0.504–2.088
Relatively close contacts	<0.001*	6.198	3.671–10.464	<0.001*	6.859	3.585–13.121

^*, P < 0.05 was considered significant.