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Table 3 Regression analysis regarding clinical factors and degree of compliance

From: An oral health optimized diet can reduce gingival and periodontal inflammation in humans - a randomized controlled pilot study

Clinical factor Dietary factor Coefficient Standard deviation p-value 95 % confidence interval
PI Vitamin C 0.12 0.09 0.181 [-0.56; 0.30]
  Omega-3 FA -0.26 0.11 0.022 [-0.49; -0.04]
  Fibers 0.33 0.15 0.021 [0.05; 0.63]
  Vitamin D -0.10 0.83 0.815 [-0.18; 0.14]
  Antioxidants -0.05 0.10 0.589 [-0,25; 0.14]
  Carbohydrate reduction -0.11 0.13 0.375 [-0,38; 0.14]
GI Vitamin C -0.08 0.10 0.452 [-0.28; 0.12]
  Omega-3 FA -0.42 0.12 0.001 [-0.69; -0.18]
  Fibers 0.01 0.16 0.952 [-0.31; 0.33]
  Vitamin D 0.15 0.09 0.089 [-0.02; 0.32]
  Antioxidants -0.20 0.11 0.272 [-0.33; 0.09]
  Carbohydrate reduction -0.59 0.15 0.001 [-0.88; -0.29]
BOP Vitamin C -0.09 0.11 0.394 [-0.30; 0.12]
  Omega-3 FA -0.04 0.09 0.68 [-0.21; 0.14]
  Fibers 0.22 0.14 0.11 [-0.05; 0.49]
  Vitamin D 0.01 0.07 0.95 [-0.14; 0.15]
  Antioxidants -0.16 0.09 0.06 [-0.33; 0.01]
  Carbohydrate reduction -0.47 0.14 0.01 [-0.75; –0.29]
PISA Vitamin C -59.03 147.25 0.689 [-347.64; 229.58]
  Omega-3 FA -229.65 136.18 0.092 [-496.43; 37.14]
  Fibers 239.73 200.92 0.233 [-154.07; 633.53]
  Vitamin D 113.11 113.65 0.320 [-109.64; 335.86]
  Antioxidants -87.78 125.79 0.485 [-334.33; 158.76]
  Carbohydrate reduction -581.59 197.88 0.003 [-969.42; -193.76]
  1. Regression analysis regarding the influence of the degree of compliance on the clinical parameters with time as a categorical variable adjusted by age, gender and BMI. Omega-3 FA Omega-3 fatty acids, PI plaque index, GI gingival index, BOP bleeding on probing, PISA periodontal inflamed surface area