Regional variables
|
Water fluoridation
|
Yes
|
0.949
|
0.928
|
0.971
|
<.0001
|
−0.029
|
0.014
|
0.0431
|
0.008
|
0.021
|
0.7097
|
No
|
1.000
|
–
|
–
|
–
|
Ref
|
–
|
–
|
Ref
|
–
|
–
|
Period from implementation of water fluoridation
|
0.998
|
0.995
|
1.001
|
0.2302
|
−0.003
|
0.001
|
0.0177
|
−0.006
|
0.002
|
0.0024
|
Number of dentists per 1,000 residents
|
1.007
|
0.975
|
1.041
|
0.6700
|
−0.045
|
0.016
|
0.0068
|
−0.026
|
0.024
|
0.2812
|
Financial independence rate of local government
|
0.999
|
0.999
|
0.999
|
<.0001
|
−0.003
|
0.000
|
<.0001
|
−0.003
|
0.000
|
<.0001
|
Individual variables
|
Sex
|
Male
|
0.795
|
0.788
|
0.801
|
<.0001
|
−0.051
|
0.004
|
<.0001
|
−0.071
|
0.005
|
<.0001
|
Female
|
1.000
|
–
|
–
|
–
|
Ref
|
–
|
–
|
Ref
|
–
|
–
|
Age (Years)
|
-19
|
4.835
|
4.695
|
4.979
|
<.0001
|
0.408
|
0.010
|
<.0001
|
0.662
|
0.013
|
<.0001
|
20–29
|
3.069
|
2.977
|
3.163
|
<.0001
|
0.064
|
0.011
|
<.0001
|
0.020
|
0.014
|
0.1451
|
30–39
|
2.466
|
2.392
|
2.542
|
<.0001
|
−0.073
|
0.011
|
<.0001
|
−0.134
|
0.014
|
<.0001
|
40–49
|
2.502
|
2.427
|
2.579
|
<.0001
|
−0.069
|
0.011
|
<.0001
|
−0.101
|
0.013
|
<.0001
|
50–59
|
2.531
|
2.452
|
2.613
|
<.0001
|
−0.022
|
0.011
|
0.0487
|
−0.030
|
0.014
|
0.0316
|
60–69
|
2.044
|
1.978
|
2.112
|
<.0001
|
0.033
|
0.012
|
0.0045
|
0.055
|
0.016
|
0.0004
|
< 70
|
1.000
|
–
|
–
|
–
|
Ref
|
–
|
–
|
Ref
|
–
|
–
|
Income (percentile)
|
-10 % (low)
|
0.751
|
0.736
|
0.767
|
<.0001
|
0.003
|
0.009
|
0.7721
|
−0.085
|
0.013
|
<.0001
|
11–20 %
|
0.751
|
0.736
|
0.767
|
<.0001
|
−0.004
|
0.009
|
0.6797
|
−0.094
|
0.013
|
<.0001
|
21–30 %
|
0.762
|
0.747
|
0.777
|
<.0001
|
−0.004
|
0.009
|
0.6740
|
−0.099
|
0.013
|
<.0001
|
31–40 %
|
0.770
|
0.756
|
0.784
|
<.0001
|
−0.026
|
0.008
|
0.0018
|
−0.121
|
0.012
|
<.0001
|
41–50 %
|
0.805
|
0.790
|
0.819
|
<.0001
|
0.006
|
0.008
|
0.4173
|
−0.069
|
0.012
|
<.0001
|
51–60 %
|
0.835
|
0.821
|
0.850
|
<.0001
|
0.011
|
0.008
|
0.1536
|
−0.045
|
0.012
|
0.0001
|
61–70 %
|
0.880
|
0.866
|
0.895
|
<.0001
|
0.028
|
0.007
|
0.0002
|
−0.007
|
0.011
|
0.5510
|
71–80 %
|
0.916
|
0.901
|
0.931
|
<.0001
|
0.030
|
0.007
|
<.0001
|
0.025
|
0.011
|
0.0267
|
81–90 %
|
0.943
|
0.928
|
0.959
|
<.0001
|
0.023
|
0.007
|
0.0007
|
0.025
|
0.011
|
0.0190
|
+ 91 % (high)
|
1.000
|
–
|
–
|
–
|
Ref
|
–
|
–
|
Ref
|
–
|
–
|
Types of insurance coverage
|
Medical Aid
|
0.410
|
0.396
|
0.425
|
<.0001
|
−0.573
|
0.018
|
<.0001
|
−0.956
|
0.017
|
<.0001
|
NHI, self-employed insured
|
0.872
|
0.865
|
0.879
|
<.0001
|
−0.033
|
0.004
|
<.0001
|
−0.097
|
0.006
|
<.0001
|
NHI, employee insured
|
1.000
|
–
|
–
|
–
|
Ref
|
–
|
–
|
Ref
|
–
|
–
|
Year of baseline/Index year
|
2003
|
1.000
|
–
|
–
|
–
|
Ref
|
–
|
–
|
Ref
|
–
|
–
|
2004
|
1.052
|
1.026
|
1.079
|
<.0001
|
−0.015
|
0.003
|
<.0001
|
−0.126
|
0.013
|
<.0001
|
2005
|
1.126
|
1.092
|
1.162
|
<.0001
|
−0.018
|
0.003
|
<.0001
|
−0.102
|
0.013
|
<.0001
|
2006
|
1.124
|
1.089
|
1.160
|
<.0001
|
−0.017
|
0.003
|
<.0001
|
−0.108
|
0.013
|
<.0001
|
2007
|
1.143
|
1.104
|
1.183
|
<.0001
|
0.128
|
0.004
|
<.0001
|
−0.037
|
0.013
|
0.0037
|
2008
|
1.104
|
1.065
|
1.144
|
<.0001
|
0.209
|
0.004
|
<.0001
|
0.016
|
0.013
|
0.2238
|
2009
|
1.038
|
0.997
|
1.080
|
0.0710
|
0.192
|
0.004
|
<.0001
|
0.000
|
0.013
|
0.9752
|
2010
|
0.974
|
0.931
|
1.018
|
0.2418
|
0.176
|
0.004
|
<.0001
|
−0.073
|
0.013
|
<.0001
|
2011
|
0.736
|
0.695
|
0.779
|
<.0001
|
0.163
|
0.004
|
<.0001
|
0.079
|
0.013
|
<.0001
|
2012
|
0.483
|
0.445
|
0.523
|
<.0001
|
0.157
|
0.004
|
<.0001
|
0.045
|
0.013
|
0.0007
|
2013
|
0.304
|
0.265
|
0.350
|
<.0001
|
0.149
|
0.004
|
<.0001
|
0.091
|
0.014
|
<.0001
|
Pre-dental care costs (per 1,000 KRW)
| | | | |
0.001
|
0.000
|
<.0001
|
0.004
|
0.000
|
<.0001
|
Number of pre-dental care
| | | | |
0.183
|
0.004
|
<.0001
|
0.309
|
0.009
|
<.0001
|
Dentofacial anomalies
|
Yes
|
21.614
|
17.417
|
26.821
|
<.0001
|
1.925
|
0.022
|
<.0001
|
8.832
|
0.037
|
<.0001
|
No
|
1.000
|
–
|
–
|
–
|
Ref
|
–
|
–
|
Ref
|
–
|
–
|
Disorders of toothe development and eruption
|
Yes
|
16.465
|
15.392
|
17.614
|
<.0001
|
1.563
|
0.008
|
<.0001
|
8.348
|
0.012
|
<.0001
|
No
|
1.000
|
–
|
–
|
–
|
Ref
|
–
|
–
|
Ref
|
–
|
–
|