TABLE 4 

PERMANOVA results for variance of the unweighted UniFrac distance among 490 dentulous elderly adults

VariableR2 valueP value
Gender0.0020.631
No. of teeth (3 categories)a,b0.011<0.001
Max plaque index (3 categories)a0.009<0.001
% DFT (3 categories)a0.009<0.001
No. of DT (3 categories)a0.0040.290
% of teeth with BOP (3 categories)a0.008<0.001
Mean PPD (mm [3 categories])a0.007<0.001
Denture use0.0020.197
Residuals0.944
Total1.000
  • a The category definition of each oral health status is described in Fig. 3, 4, and 5.

  • b The category including edentulous individuals was excluded from this analysis.