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Table 2 Odds ratios for factors associated with the incidents and non-treatment of caries

From: Disparities in the experience and treatment of dental caries among children aged 9–18 years: the cross-sectional study of Korean National Health and Nutrition Examination Survey (2012–2013)

Variables

DMFT ≥ 1

Non-treatment (DMFT ≥ 1)

(N = 1253)

(N = 808)

OR

95 % CI

OR

95 % CI

Household income level

      

 Low

0.96

0.63

1.47

2.11

1.16

3.86

 Middle

0.95

0.64

1.40

2.14

1.27

3.62

 High

1.00

  

1.00

  

Maternal education level

      

 Elementary school graduate or lower

1.15

0.55

2.40

2.59

0.67

10.00

 Middle or high school graduate

1.34

0.99

1.81

0.99

0.61

1.59

 Some college or university graduate

1.00

  

1.00

  

Sex

      

 Male

1.00

  

1.00

  

 Female

1.91

1.41

2.59

0.65

0.45

0.95

Age

      

 9 to 12 years

1.00

  

1.00

  

 13 to 15 years

2.47

1.79

3.43

1.61

0.91

2.83

 16 to 18 years

3.63

2.44

5.41

2.02

1.10

3.73

Region of residence

      

 Urban

1.00

  

1.00

  

 Rural

0.95

0.56

1.60

0.70

0.41

1.20

Type of health insurance

      

 NHI

1.00

  

1.00

  

 Medical aid

1.39

0.61

3.17

0.43

0.18

1.03

Private insurance

      

 Yes

1.00

  

1.00

  

 No

1.69

1.02

2.82

1.05

0.55

2.02

Self-rated perception of dental health status

      

 High

1.00

  

1.00

  

 Middle

1.81

1.26

2.59

0.83

0.48

1.46

 Low

2.95

1.77

4.92

0.87

0.45

1.67

Experience of preventive dental care in the past year

     

 Yes

1.00

  

1.00

  

 No

0.98

0.60

1.59

1.20

0.64

2.22

Frequency of teeth brushing per day

      

 0–1

1.10

0.67

1.81

2.76

1.13

6.71

  ≥ 2

1.00

  

1.00

  

Number of tools used for oral care

      

 0

0.84

0.63

1.12

0.98

0.66

1.46

  ≥ 1

1.00

  

1.00

  

Regular checkups for oral care

      

 Yes

1.00

  

1.00

  

 No

0.78

0.57

1.07

3.76

2.58

5.49

DMFT score

      

 1 to 2

   

1.00

  

 3 to 4

   

0.98

0.58

1.65

 5 to 6

   

0.47

0.27

0.83

 7≤

   

0.32

0.17

0.60

Year

      

 2012

1.00

  

1.00

  

 2013

0.72

0.50

1.02

1.28

0.81

2.00

  1. DMFT decayed missing and filled teeth, OR odds ratio, CI confidence interval