Table 3.

Logistic regression analysis results for factors related to perceived unmet dental care needs

Variables	Unmet dental care needs OR (95% CI)	Unmet dental care needs due to economic reasons OR (95% CI)
Total	n = 17,141	n = 7497
Demographic factors
Sex
Male	1.00	1.00
Female	1.45 (1.32–1.59)***	1.23 (1.07–1.41)**
Age (years)
19–39	1.00	1.00
40–64	0.85 (0.75–0.95)**	1.51 (1.29–1.78)***
65 or older	0.59 (0.49–0.72)***	2.00 (1.52–2.62)***
Marital status
Married	1.00	1.00
Separated/divorced/widowed	1.15 (1.01–1.32)*	1.47 (1.19–1.81)**
Single	0.81 (0.71–0.93)**	0.99 (0.81–1.22)
Socioeconomic factors
Education level
University or higher	1.00	1.00
High school	0.90 (0.81–0.99)*	1.31 (1.10–1.55)**
Middle school	0.96 (0.82–1.12)	1.74 (1.39–2.19)***
Elementary or lower	0.87 (0.75–1.00)	1.86 (1.50–2.29)***
Employment status
Employed	1.00	1.00
Unemployed	0.90 (0.82–0.98)*	1.13 (0.98–1.29)*
Income quartile
4th quartile: High	1.00	1.00
3rd quartile: Mid-high	1.19 (1.07–1.33)**	1.66 (1.36–2.03)***
2nd quartile: Mid-low	1.39 (1.25–1.56)***	2.12 (1.75–2.57)***
1st quartile: Low	1.42 (1.26–1.60)***	3.00 (2.44–3.69)***
Dental need factors
Normative treatment needs
No treatment needs	1.00	1.00
Treatment needs	1.61 (1.45–1.79)***	1.07 (0.92–1.24)
Self-perceived oral status
Good	1.00	1.00
Fair	2.06 (1.78–2.37)***	1.14 (0.86–1.50)
Poor	4.85 (4.21–5.59)***	1.43 (1.10–1.86)**
Oral health-related factors
Number of decayed teeth	1.11 (1.08–1.15)***	1.03 (1.00–1.07)
Periodontal disease
No	1.00	1.00
Yes	1.18 (1.07–1.29)**	1.03 (0.90–1.17)
Number of missing teeth	0.99 (0.99–1.00)*	1.05 (1.03–1.06)***

Individual sample weights and the complex sample design including stratification and primary sampling units were considered in the analysis

OR odds ratio; CI confidence interval

***P < 0.001; **P < 0.01; *P < 0.05