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Table 2 Structural Equation models with association of SES, race, gender and LDV on tooth loss, Brazilian National health survey, 2019

From: Last dental visit and severity of tooth loss: a machine learning approach

 

Adults (Functional dentition)*

 

Elders (Severe Loss)*

Direct Effects

SC

95% CI

p

 

SC

95% CI

p

Last Dental visit < 2 years

       

LDV → tooth loss

0.01

(-0.01/0.02)

0.09

 

─0.17

(-0.20/-0.14)

0.001

Sócio-demografic

       

Female → tooth loss

─0.04

(-0.05/-0.03)

< 0.001

 

0.10

(0.08/0.13)

< 0.000

SES → Tooth loss

0.20

(0.16/0.23)

< 0.001

 

─0.71

(-0.79/-0.62)

< 0.001

Whites → Tooth loss

─0.03

(-0.04/-0.02)

< 0.001

 

0.07

(0.05/0.10)

< 0.001

Last Dental visit (LDV) < 2 years

       

SES → LDV

0.62

(0.56/0.68)

< 0.001

 

1.00

(0.92/1.07)

< 0.001

Whites → LDV

─0.03

(-0.04/-0.01)

< 0.001

 

─0.02

(-0.04/0.01)

0.11

Female → LDV

0.10

(0.08/0.11)

< 0.001

 

0.02

(-0.01/0.04)

0.08

Indirect Effects

       

Via Last dental visit < 2 years

       

SES→ tooth loss

0.01

(-0.01/0.01)

0.10

 

─0.17

(-0.20/-0.14)

< 0.001

Whites→ tooth loss

0.05

(0.04/0.06)

< 0.001

 

─0.15

(-0.20/-0.14)

< 0.001

Female→ tooth loss

─0.00

insignificant

 

0.02

(0.01/0.03)

0.008

Via SES

       

Whites → LDV

0.13

(0.12/0.15)

< 0.001

 

0.18

(0.15/0.20)

< 0.001

Female → LDV

─0.01

(-0.01/0.01)

0.3

 

─0.01

(-0.02/0.01)

0.7

Total Effects

       

Sócio demographic

       

LDV → tooth loss

0.01

(-0.01/0.02)

0.08

 

─0.17

(-0.20/-0.14)

< 0.001

Whites → tooth loss

0.02

(0.01/0.03)

< 0.001

 

─0.08

(-0.10/-0.05)

< 0.001

Female → tooth loss

─0.04

(-0.05/-0.03)

< 0.001

 

0.12

(0.10/0.15)

< 0.001

SES → tooth loss

0.21

(0.17/0.23)

< 0.001

 

─0.88

(0.02/0.06)

< 0.001

Smoke → tooth loss

─0.04

(-0.05/-0.03)

< 0.001

 

0.04

(-0.95/-0.80)

< 0.001

Goodness of Fit

       

 RMSE

0.08

 

0.07

 CFI

0.81

 

0.92

 TLI

0.80

 

0.80

 Chi2

< 0.05

 

< 0.05

 SRMR

0.06

 

0.04

  1. * adjusted for age and smoke status (elders) and age, smoke and dental floss (adults)
  2. RMSE- root mean square error, CFI - Comparative fit index; TLI- Tucker lewis index, SRMR Standardized root mean squared residual