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Table 3 Odds ratios of Dratio, Mratio, Fratio and Rratio, 95% confidence intervals (CI) for adjusted odds ratios, and level of significance for the whole dentition, and for the anterior, premolar and molar regions separately (n = 1525)

From: Dental and prosthodontic status of an over 40 year-old population in Shandong Province, China

  D M F R
  Unadjusted OR Adjusted OR 95% CI Unadjusted OR Adjusted OR 95% CI Unadjusted OR Adjusted OR 95% CI Unadjusted OR Adjusted OR 95% CI
All regions            
Age 1.00 1.00 [0.99 - 1.01] 0.99 0.99 [0.98 - 1.01] 1.01 1.01 [0.99 - 1.02] 1.04 1.05 [1.04 - 1.06]
Femalea 1.33 1.34 [1.04 - 1.72] 0.60 0.60 [0.45 - 0.79] 1.67 1.69 [1.30 - 2.19] 1.48 1.67 [1.33 - 2.09]
Urbanb 0.78 0.77 [0.56 - 1.05] 0.79 0.90 [0.63 - 1.28] 7.48 5.34 [3.68 - 7.74] 0.71 0.57 [0.42 - 0.76]
SES-highc 0.89 1.13 [0.83 - 1.55] 0.84 0.88 [0.61 - 1.27] 2.74 0.92 [0.68 - 1.25] 0.73 0.86 [0.64 - 1.15]
SES-lowc 1.33 1.18 [0.84 - 1.66] 1.06 1.03 [0.71 - 1.49] 0.21 0.45 [0.29 - 0.69] 1.28 0.70 [0.51 - 0.95]
Anterior region            
Age 1.00 1.00 [0.98 - 1.01] 1.00 1.00 [0.99 - 1.02] 1.00 1.00 [0.97 - 1.02] 1.00 1.00 [1.00 - 1.02]
Femalea 1.89 1.82 [1.32 - 2.50] 0.47 0.49 [0.35 - 0.68] 1.59 1.60 [0.96 - 2.67] 1.44 1.52 [1.02 - 2.28]
Urbanb 0.79 0.98 [0.64 - 1.50] 0.75 0.69 [0.45 - 1.07] 9.97 5.16 [2.24 - 11.91] 1.23 1.04 [0.62 - 1.75]
SES-highc 0.66 0.76 [0.50 - 1.16] 0.94 1.10 [0.71 - 1.71] 4.04 1.25 [0.71 - 2.21] 1.17 1.03 [0.59 - 1.78]
SES-lowc 1.57 1.21 [0.79 - 1.85] 0.94 0.91 [0.59 - 1.40] 0.12 0.35 [0.13 - 0.98] 0.83 0.77 [0.46 - 1.28]
Premolar region            
Age 0.99 0.99 [0.98 - 1.01] 1.01 1.01 [1.00 - 1.02] 0.99 1.00 [0.97 - 1.01] 1.03 1.03 [1.02 - 1.05]
Femalea 1.08 1.05 [0.80 - 1.38] 0.82 0.87 [0.65 - 1.16] 1.54 1.47 [0.97 - 2.23] 2.06 2.35 [1.70 - 3.25]
Urbanb 0.63 0.70 [0.49 - 1.00] 0.72 0.72 [0.49 - 1.04] 22.16 16.58 [7.33 - 37.50] 1.04 0.85 [0.56 - 1.29]
SES-highc 0.77 1.15 [0.80 - 1.65] 0.73 0.78 [0.53 - 1.14] 3.97 1.01 [0.63 - 1.62] 0.85 0.77 [0.49 - 1.18]
SES-lowc 1.54 1.38 [0.95 - 2.01] 1.07 0.76 [0.53 - 1.12] 0.13 0.54 [0.24 - 1.20] 0.99 0.58 [0.38 - 0.88]
Molar region            
Age 0.90 0.94 [0.97 - 0.99] 1.02 1.02 [1.01 - 1.03] 1.00 1.00 [0.99 - 1.01] 1.04 1.05 [1.04 - 1.06]
Femalea 1.15 1.15 [0.92 - 1.44] 0.70 0.69 [0.54 - 0.68] 1.73 1.69 [1.27 - 2.23] 1.52 1.71 [1.34 - 2.18]
Urbanb 0.92 0.90 [0.68 - 1.20] 0.70 0.80 [0.59 - 1.09] 6.55 5.11 [3.38 - 7.74] 0.68 0.55 [0.40 - 0.75]
SES-highc 1.0 1.1 [0.82 - 1.46] 0.74 0.90 [0.66 - 1.24] 2.42 0.89 [0.64 - 1.23] 0.71 0.86 [0.63 - 1.18]
SES-lowc 1.0 1.05 [0.77 - 1.42] 1.42 1.18 [0.86 - 1.63] 0.25 0.52 [0.32 - 0.84] 1.37 0.72 [0.52 - 1.00]
  1. Bold = P ≤ 0.05; Bold & Italic = P ≤ 0.01 Reference (OR = 1) respectively: a male, b rural, c SES middle