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Table 3 Lunchtime: the effect of year by level of deprivation on children’s mean nutrient intake compared with nutrient-based standards[30]

From: A repeat cross-sectional study examining the equitable impact of nutritional standards for school lunches in England in 2008 on the diets of 4-7y olds across the socio-economic spectrum

   

2003-4

2008-9

[2008-9] - [2003-4]

 

Nutrient

Standard

Level of deprivation

Mean*

(Mean change) 95%confidence interval

p-value for interaction†(year by level of deprivation)

NSP± (g)

Min 4.2

Least

2.6

4.0

(1.4) 1.1,1.8

 
  

Mid

2.6

3.7

( 1.1) 0.9,1.4

 
  

Most

2.8

3.4

(0.6) 0.3,0.9

0.001

Iron (mg)

Min 3

Least

1.9

2.3

(0.4) 0.3,0.6

 
  

Mid

1.8

2.1

(0.3) 0.2,0.4

 
  

Most

1.9

2.0

(0.1) -0.1,0.2

0.0004

Zinc (mg)

Min 2.5

Least

1.4

1.7

(0.3) 0.2,0.4

 
  

Mid

1.3

1.6

(0.3) 0.1,0.4

 
  

Most

1.5

1.5

(0.0) -0.1,0.1

0.002

Vitamin C (mg)*

Min 10.5

Least

16.5

33.4

(0.49) 0.40,0.61

 
  

Mid

14.2

32.6

(0.44) 0.37,0.51

 
  

Most

14.3

31.9

(0.45) 0.37,0.54

0.64

  1. *Arithmetic means are reported, except for vitamin C (highly skewed) where geometric means and ratios are given.
  2. †p-value for interaction derived from a linear mixed effects model with random term for schools.
  3. ±NSP (non-starch polysaccharide).