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Table 6 Mutually-adjusted differences in mammographic density measures across education and Townsend categories

From: Mammographic density and markers of socioeconomic status: a cross-sectional study

SES Variable

Percent density1

P-value2

Dense area3

P-value2

Lucent area4

P-value2

Minimally-adjusted 5

      

Level of education

      

   Higher

0

 

0

 

0

 

   Further

-6.3 (-11.3,-0.7)

0.02

-6.3 (-11.9,-0.0)

0.11

15.0 (-0.7,32.0)

0.01

   None/GCSE

-5.9 (-10.2,-1.1)

 

-4.4 (-9.4,1.0)

 

17.2 (3.5,31.8)

 

Townsend Score6

      

   Q5 (affluent)

0

 

0

 

0

 

   Q4

-2.0 (-7.2,3.8)

 

-1.7 (-7.5,4.7)

 

6.4 (-7.9,21.9)

 

   Q3

-2.4 (-8.0,3.9)

0.38

-1.4 (-7.8,5.6)

0.96

7.7 (-8.0,24.8)

0.04

   Q2

-0.7 (-7.9,7.5)

 

3.3 (-5.1,12.8)

 

14.7 (-5.6,37.1)

 

   Q1 (deprived)

-5.1 (-13.5,5.1)

 

-2.8 (-12.6,8.8)

 

24.4 (-2.8,55.3)

 

BMI-adjusted 7

      

Highest education level

      

   Higher

0

 

0

 

0

 

   Further

-4.4 (-8.9,0.6)

0.06

-4.9 (-10.5,1.2)

0.25

7.9 (-4.0,20.6)

0.05

   None/GCSE

-4.0 (-7.9,0.2)

 

-3.2 (-8.1,2.2)

 

10.4 (0.1,21.3)

 

Townsend score6

      

   Q5 (affluent)

0

 

0

 

0

 

   Q4

-0.9 (-5.5,4.0)

 

-0.9 (-6.6,5.2)

 

2.9 (-8.1,14.6)

 

   Q3

0.2 (-4.9,5.8)

0.51

0.4 (-5.9,7.3)

0.34

-1.0 (-12.7,11.6)

0.73

   Q2

3.2 (-3.5,10.5)

 

5.8 (-2.6,15.2)

 

2.9 (-12.0,19.2)

 

   Q1 (deprived)

0.5 (-7.7,10.0)

 

1.1 (-9.2,12.9)

 

5.0 (-14.7,26.9)

 
  1. 1 For a reference value of 30%
  2. 2 P-value for linear trend in mammographic values across categories of a given SES variable
  3. 3 For a reference value of 35 cm2
  4. 4 For a reference value of 90 cm2
  5. 5 Adjusted for age at mammography and mammographic view
  6. 6 Q1 to Q5 refer to England and Wales general population fifths of Townsend scores at LSOA level
  7. 7 Additionally adjusted for BMI