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Table 3 Direct and indirect effect of oral health on depressive symptoms through mediator (Dietary satisfaction) conditionally in the level of moderator (BMI) (N = 781)

From: Oral health and depressive symptoms among older adults in urban China: a moderated mediation model analysis

Path: Predictor

B

SE

t

P-Value

R2

 

Dietary satisfaction as outcome

0.22

a: Oral health

0.06

0.03

2.19

0.029

 

Depressive symptoms as outcome

c: Oral health

-0.22

0.11

−2.00

0.046

b: Dietary satisfaction

−0.61

0.15

−4.20

< 0.001

Body mass index

−0.68

0.15

−4.44

< 0.001

d: Dietary satisfaction*BMI

0.47

0.15

3.21

< 0.001

Covariates

    

Education

−0.15

0.14

−1.11

0.27

Marital status

−0.08

0.38

−0.21

0.83

Gender

0.12

0.29

0.40

0.69

Age

0.01

0.02

0.41

0.68

Income

−0.34

0.16

−2.21

0.03

Number of diseases

0.53

0.10

5.50

< 0.001

Self-rated health

−1.21

0.20

−6.20

< 0.001

  1. B Unstandardized regression coefficient, SE Standard error