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Table 2 Correlation of age, gender, sleep tooth grinding and dietary-habits with occlusal/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

  Occlusal/Incisal tooth wear
Variables 16 36 21 12 41 32 64 53 73 75
  Rho p value Rho P value 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 −0.03 0.77 0.2 0.10 0.01 0.86 −0.06 0.57 0.5 0.12 0.02 0.80 0.2 0.04 0.3 0.005 0.1 0.28 0.1 0.34
Gender 0.29 0.30 −0.1 0.41 −0.05 0.60 −0.1 0.23 0.1 0.19 −0.04 0.68 0.2 0.33 −0.08 0.49 −0.1 0.33 0.1 0.31
Sleep tooth grinding 0.2 0.03 0.06 0.49 0.1 0.13 0.1 0.17 0.06 0.46 0.06 0.52 0.3 0.008 0.05 0.59 0.1 0.18 0.1 0.23
Fruits and vegetables 0.3 0.002 0.3 0.002 −0.02 0.87 −0.1 0.28 0.09 0.34 −0.05 0.60 0.2 0.09 0.8 0.02 −0.18 0.55 0.1 0.30
Breads and cereals 0.07 0.49 0.2 0.14 0.07 0.12 0.08 0.45 0.1 0.31 0.08 0.38 0.1 0.47 0.04 0.71 0.1 0.44 0.1 0.31
Milk products 0.2 0.06 0.01 0.90 0.04 0.67 0.02 0.88 0.05 0.62 −0.08 0.39 −0.03 0.82 −0.1 0.69 0.1 0.68 −0.3 0.03
Fried products 0.2 0.02 0.02 0.25 −0.003 0.97 −0.1 0.27 0.03 0.76 0.06 0.53 0.2 0.23 0.05 0.65 −0.1 0.57 0.1 0.48
Sweet and chocolates −0.2 0.14 −0.06 0.55 −0.07 0.44 −0.1 0.18 −0.2 0.03 0.09 0.38 0.2 0.07 0.3 0.007 0.1 0.57 0.1 0.51
Sodas −0.5 0.64 0.06 0.58 0.02 0.77 0.04 0.72 0.03 0.78 0.1 0.57 −0.2 0.09 −0.3 0.01 −0.2 0.25 −0.1 0.44
Alcohol 0.1 0.15 0.15 0.14 −0.02 0.81 0.01 0.96 0.01 0.93 0.02 0.81 0.2 0.15 0.2 0.04 0.2 0.23 0.2 0.04