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Table 4 Gender and age stratified association impact of dental health indicators on total occlusal force (n = 551)

From: Gender and age group modified association of dental health indicators with total occlusal force among Korean elders

Stratum variable (range)

β

SE

Partial r

p value

R2

Male (n = 165)

 Dental status (0–2)

− 72.91

40.87

− 0.14

0.08

0.14

 NT (0–32)

13.65

3.50

0.30

< 0.001

0.20

 NRT (0–32)

12.94

5.84

0.17

0.03

0.15

 NT-Post (0–20)

20.49

5.40

0.29

< 0.001

0.20

 NRT-Post (0–20)

15.94

7.59

0.17

0.04

0.15

Female (n = 386)

 Dental status (0–2)

− 130.22

27.58

− 0.24

< 0.001

0.09

 NT (0–32)

16.15

2.33

0.34

< 0.001

0.14

 NRT (0–32)

15.76

4.67

0.17

0.001

0.06

 NT-Post (0–20)

23.90

3.40

0.34

< 0.001

0.15

 NRT-Post (0–20)

19.24

5.47

0.18

< 0.001

0.06

Age < 75 (n = 226)

 Dental status (0–2)

− 138.40

44.21

− 0.21

0.002

0.11

 NT (0–32)

15.33

3.33

0.30

< 0.001

0.15

 NRT (0–32)

19.83

6.21

0.21

0.002

0.11

 NT-Post (0–20)

23.51

4.88

0.31

< 0.001

0.16

 NRT-Post (0–20)

26.03

7.68

0.22

< 0.001

0.12

Age > 75 (n = 325)

 Dental status (0–2)

− 110.19

25.09

− 0.24

< 0.001

0.10

 NT (0–32)

16.15

2.28

0.37

< 0.001

0.18

 NRT (0–32)

12.04

4.41

0.15

0.006

0.07

 NT-Post (0–20)

23.45

3.42

0.36

< 0.001

0.17

 NRT-Post (0–20)

13.98

5.32

0.15

0.009

0.07

  1. Bold denotes statistically significant
  2. NT number of natural teeth, NTR number of natural and rehabilitated teeth, NT-Post number of natural posterior teeth, NRT-Post number of natural and rehabilitated posterior teeth, β regression coefficient, SE standard error for β
  3. Partial r obtained from linear regression model for occlusal force adjusted for age, gender, smoking, alcohol, education, periodontitis and metabolic syndrome
  4. Dental Status: 0 = Dentate; 1 = Partial denture; 2 = Complete denture