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Table 3 Odds ratios with 95% confidence intervals (CI) and P-values of Wald's tests of the final model for the probability of being edentulous of Danes aged 35 - 75+ in Denmark, 1975 - 2005.

From: Age, period, and cohort analysis of regular dental care behavior and edentulism: A marginal approach

Explanatory Variable

Odds ratio

(95% CI)

P-value

Age (yrs)

  

< 0.0001*

   75+

13.80

(9.60, 19.85)

 

   65-74

6.75

(4.86, 9.37)

 

   45-64

3.60

(2.52, 5.16)

 

   35-44a

 

1

 

Survey Year

  

< 0.0001*

   1975

11.48

(7.77, 16.98)

 

   1985

7.92

(5.15, 12.18)

 

   1995

7.10

(5.03, 10.02)

 

   2005a

 

1

 

Gender

  

< 0.0001*

   Male

0.42

(0.29, 0.61)

 

   Femalea

 

1

 

Socio-economic status (SES)

  

< 0.0001*

   Low

5.18

(3.19, 8.43)

 

   Medium

2.03

(1.20, 3.43)

 

   Higha

 

1

 

ADC

  

< 0.0001*

   Regular

0.03

(0.02, 0.05)

 

   Not regulara

 

1

 

School dental care (SDC) during childhood

  

0.0386*

   In all grades

0.60

(0.37, 0.97)

 

   Not in all gradesa

 

1

 
  1. a Reference group; * Significant result, P < 0.05.