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Table 3 Correlation of age, gender, sleep tooth grinding and dietary-habits with non-occlusal/non-incisal tooth wear in permanent and deciduous teeth. Spearman correlation analysis (Rho Correlation Coefficients and p-values)

From: Association of dietary habits and parental-reported sleep tooth grinding with tooth wear in children with mixed dentition

  Non-Occlusal/Non-Incisal tooth wear
Variables 26 46 11 31 54 63 85 83
  Rho p value Rho p value Rho p value Rho p value Rho p value Rho p value Rho p value Rho p value
Age 0.2 0.05 0.3 0.002 0.07 0.42 −0.05 0.63 0.4 0.001 0.4 0.0003 0.4 0.002 0.4 0.002
Gender −0.01 0.90 −0.2 0.06 0.006 0.94 0.03 0.75 0.08 0.49 −0.05 0.67 −0.09 0.43 0.1 0.60
Sleep tooth grinding 0.1 0.23 0.2 0.035 −0.02 0.78 0.1 0.27 −0.06 0.48 −0.03 0.75 0.14 0.22 0.3 0.007
Fruits and vegetables 0.7 0.02 0.04 0.70 −0.005 0.95 0.06 0.55 0.005 0.97 −0.1 0.61 −0.02 0.86 −0.1 0.39
Breads and cereals 0.02 0.82 −0.05 0.65 −0.02 0.80 −0.005 0.95 −0.1 0.38 −0.2 0.16 −0.1 0.38 −0.1 0.29
Milk products −0.1 0.59 −0.06 0.56 0.06 0.52 0.02 0.84 −0.3 0.32 −0.2 0.08 −0.3 0.01 −0.2 0.18
Fried products −0.03 0.76 0.02 0.82 −0.1 0.45 −0.1 0.29 −0.1 0.32 −0.2 0.12 −0.1 0.42 −0.2 0.08
Sweet and chocolates 0.002 0.97 −0.1 0.41 −0.3 0.005 −0.1 0.26 0.2 0.17 0.2 0.195 0.1 0.28 0.05 0.71
Sodas −0.04 0.70 −0.1 0.50 0.02 0.81 0.7 0.02 −0.2 0.19 −0.2 0.20 −0.1 0.31 −0.2 0.27
Alcohol −0.1 0.58 −0.10 0.32 −0.03 0.72 0.02 0.82 −0.002 0.84 −0.06 0.63 −0.06 0.62 −0.1 0.35