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Table 3 Odds ratios of having dental caries experience according to age group

From: Changing patterns in the association between regional socio-economic context and dental caries experience according to gender and age: A multilevel study in Korean adults

   19–34 years 35–44 years 45–54 years 55–64 years
   OR 95 % CI OR 95 % CI OR 95 % CI OR 95 % CI
Individual level
 Gender
  Male 1.00   1.00   1.00    
  Women 1.56 1.17 - 2.07 3.00 2.16 - 4.15 2.48 1.57 - 3.93 2.83 1.65 - 4.84
 Monthly family income (thousand Korean won)
  ≥1500 1.00   1.00   1.00    
  1000–1490 1.00 0.71-1.41 1.23 0.80-1.90 1.04 0.56-1.94 1.51 0.69-3.31
  500–990 0.96 0.67-1.37 0.98 0.63-1.51 0.97 0.53-1.76 1.11 0.57-2.17
  <500 1.03 0.59-1.79 1.09 0.58-2.04 0.70 0.34-1.43 1.66 0.78-3.57
 Tooth-brushing frequency (number/day)
  ≥3 1.00   1.00   1.00    
  2 0.84 0.62-1.12 1.03 0.74-1.45 0.85 0.50-1.45 1.86 1.07 - 3.21
  0–1 0.64 0.35-1.16 1.19 0.55-2.57 1.01 0.43-2.33 2.50 1.07 - 5.86
 Regular dental clinic visits
  Yes 1.00   1.00   1.00    
  No 1.06 0.68-1.64 1.31 0.85-2.03 1.98 1.02 - 3.83 2.39 0.90-6.36
Regional level
 Factor I (degree of urbanisation)
  highest 1.00   1.00   1.00   1.00  
  high 1.11 0.72-1.70 1.21 0.73-2.01 0.92 0.42-2.01 0.65 0.27-1.58
  middle 1.15 0.71-1.84 0.85 0.49-1.46 1.09 0.47-2.54 0.88 0.32-2.43
  low 1.02 0.59-1.76 0.91 0.50-1.68 1.34 0.56-3.21 1.02 0.41-2.50
  lowest 0.97 0.42-2.22 1.12 0.49-2.53 0.92 0.34-2.54 0.98 0.34-2.82
 Factor II (density of services and medical facilities)
  highest 1.00   1.00   1.00   1.00  
  high 1.06 0.65-1.72 1.17 0.64-2.16 0.91 0.40-2.06 0.51 0.21-1.27
  middle 1.93 1.14 - 3.30 1.26 0.68-2.35 1.93 0.76-4.94 1.13 0.41-3.10
  low 1.07 0.63-1.81 1.29 0.70-2.39 1.08 0.42-2.82 0.85 0.30-2.38
  lowest 1.42 0.87-2.32 1.42 0.79-2.55 1.19 0.47-3.04 0.63 0.23-1.75
 Factor III (dependence on manufacturing industry)
  highest 1.00   1.00   1.00   1.00  
  high 0.80 0.47-1.38 1.42 0.78-2.60 1.02 0.41-2.57 0.79 0.30-2.10
  middle 1.37 0.82-2.29 0.85 0.50-1.44 1.19 0.50-2.82 1.28 0.50-3.26
  low 1.18 0.66-2.10 1.62 0.82-3.21 1.46 0.54-3.97 1.22 0.39-3.76
  lowest 1.32 0.84-2.05 2.01 1.14 - 3.57 1.56 0.64-3.81 1.03 0.40-2.68
 Factor IV (financial health of local government)
  highest 1.00   1.00   1.00   1.00  
  high 1.56 1.00-2.43 1.47 0.88-2.46 1.57 0.78-3.17 1.13 0.51-2.48
  middle 0.99 0.65-1.52 1.28 0.75-2.17 2.47 1.02 - 5.97 1.23 0.54-2.79
  low 1.08 0.67-1.76 0.99 0.58-1.71 2.63 1.05 - 6.56 0.88 0.38-2.04
  lowest 1.11 0.71-1.73 1.21 0.67-2.19 1.00 0.46-2.18 1.25 0.50-3.12
  1. *Statistically significant p-values are indicated in bold.
  2. OR, odds ratio; CI, confidence interval.