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Table 3 Oral health indicators according to chewing problem by chewing problem directory in developing sample: internal criterion validation (n = 260)

From: Development a new chewing problem directory and its validation for Korean elders

Variable Chewing problem Partial r p value
No (n = 110) Yes (n = 150)
TOF, Newton     
 Crude1 430.82 ± 369.07 316.39 ± 258.65   0.004
 Adjusted2 425.77 ± 28.64 320.09 ± 24.41 − 0.176 0.006
NRT     
 Crude1 27.00 ± 1.84 24.27 ± 4.94   < 0.001
 Adjusted2 26.87 ± 0.35 24.36 ± 0.30 − 0.320 < 0.001
NRT posterior     
 Crude1 15.03 ± 1.81 12.85 ± 3.75   < 0.001
 Adjusted2 14.93 ± 0.27 12.93 ± 0.23 − 0.327 < 0.001
NT     
 Crude1 18.49 ± 8.50 15.15 ± 8.71   0.002
 Adjusted2 18.27 ± 0.54 15.31 ± 0.46 − 0.254 < 0.001
NT posterior     
 Crude1 9.29 ± 5.24 7.47 ± 5.01   0.005
 Adjusted2 9.19 ± 0.34 7.55 ± 0.29 − 0.232 < 0.001
  1. TOF, total occlusion force; NRT, natural/rehabilitated teeth number; NT, natural teeth number; Posterior, premolars and molars; Partial r, correlation coefficient
  2. Crude1: Mean ± Standard deviation; Adjusted.2: Mean ± Standard error
  3. Superscript denotes the same subgroups by Bonferroni’s post-hoc multiple comparisons test
  4. p value: obtained from T-test for crude values and ANCOVA for adjusted value after controlling for sex, age, alcohol drinking, smoking, education, periodontitis, metabolic syndrome and frailty