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Table 2 Odds ratios with 95% confidence intervals (CI) and P-values of Wald's tests of the final model for the probability of seeking ADC regularly by Danes aged 15 - 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)

  

0.1491

   65+

   

   45-64

   

   35-44a

   

   25-34

   

   15-24

   

Survey Year

  

< 0.0001*

   1975

0.44

(0.19, 0.97)

 

   1985

0.70

(0.31, 1.59)

 

   1995

0.94

(0.52, 1.71)

 

   2005a

 

1

 

Gender

  

< 0.0001*

   Male

0.56

(0.50, 0.62)

 

   Femalea

 

1

 

Socio-economic status (SES)

  

< 0.0001*

   Low

0.39

(0.27, 0.55)

 

   Medium

0.58

(0.39, 0.86)

 

   Higha

 

1

 

Denture-wearing

  

< 0.0001*

   Both upper and lower

0.06

(0.05, 0.08)

 

   Only upper or lower

0.41

(0.29, 0.58)

 

   No denturea

 

1

 

School dental care (SDC) during childhood

   

   In all grades

  

0.0193*

   Not in all gradesa

   

Age * SDC during childhood

  

< 0.0001*

   65+ and in all grades

1.70

(0.40, 7.31)

 

   65+ and not in all grades

0.60

(0.31, 1.15)

 

   45-64 and in all grades

1.69

(0.76, 3.76)

 

   45-64 and not in all grades

0.74

(0.54, 1.02)

 

   35-44 and in all grades

0.91

(0.66, 1.24)

 

   35-44 and not in all gradesa

 

1

 

   25-34 and in all grades

0.87

(0.28, 2.70)

 

   25-34 and not in all grades

0.76

(0.46, 1.24)

 

   15-24 and in all grades

1.58

(0.10, 25.53)

 

   15-24 and not in all grades

1.50

(0.48, 4.66)

 
  1. a Reference group; * Significant result, P < 0.05
  2. Note that only the main effects of age and SDC during childhood are shown with their interaction effect in the Table.