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Table 2 Oral health indicators across subjective chewing problem score (0–3) in developing sample (n = 260)

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

Variable

Subjective chewing problem score

Partial r

p value

0 (n = 82)

1(n = 40)

2(n = 47)

3(n = 91)

TOF, Newton

      

 Crude1

461.8 ± 394.1a

366.4 ± 281.4a,b

337.8 ± 261.9a,b

290.5 ± 247.5b

 

0.004

 Adjusted2

444.7 ± 33.5a

365.7 ± 47.1 a,b

351.5 ± 43.5a,b

299.3 ± 31.7b

− 0.202

0.023

NRT

      

 Crude1

27.3 ± 2.3a

26.7 ± 2.6a

25.6 ± 4.8a,b

24.4 ± 5.6b

 

< 0.001

 Adjusted2

27.0 ± 0.4a

25.9 ± 0.6a

25.0 ± 0.5a

24.0 ± 0.4b

− 0.276

< 0.001

NRT posterior

      

 Crude1

15.4 ± 2.2a

14.7 ± 2.4a

14.1 ± 3.5a

13.8 ± 4.1b

 

< 0.001

 Adjusted2

15.0 ± 0.3a

14.0 ± 0.5a,b

13.3 ± 0.4b,c

12.8 ± 0.3c

− 0.263

< 0.001

NT

      

 Crude1

19.8 ± 8.4a

17.3 ± 8.8a,b

15.3 ± 10.1b

15.4 ± 9.0b

 

0.006

 Adjusted2

18.0 ± 0.6a

17.1 ± 0.8a,b

16.1 ± 0.7a,b

15.3 ± 0.5b

− 0.189

0.006

NT posterior

      

 Crude1

10.2 ± 5.5a

8.7 ± 5.4a,b

7.8 ± 6.2a,b

7.8 ± 5.4b

 

0.027

 Adjusted2

9.0 ± 0.4a

8.6 ± 0.4a,b

8.4 ± 0.4a,b

7.8 ± 0.3b

− 0.157

0.085

  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 ANOVA for crude values and ANCOVA for adjusted value after controlling for sex, age, alcohol drinking, smoking, education, periodontitis, metabolic syndrome and frailty