|  | School lunch | Packed lunch |  | ||||
---|---|---|---|---|---|---|---|---|
 |  | 2003-4 | 2008-9 | [2008-9] - [2003-4] | 2003-4 | 2008-9 | [2008-9] - [2003-4] |  |
Nutrient | Level of deprivation | Mean* | (Mean change) 95%Confidence Interval | Mean | (Mean change) 95%Confidence Interval | p-value for interaction†| ||
% energy NMES | Least | 17.5 | 14.4 | (-3.1) -4.9,-1.3 | 18.0 | 17.7 | (-0.3) -2.1,1.5 | Â |
 | Mid | 15.9 | 14.4 | (-1.5) -2.9,-0.1 | 19.6 | 16.8 | (-2.8) -4.2,-1.4 |  |
 | Most | 17.5 | 14.3 | (-3.2) -4.5,-1.8 | 19.6 | 16.5 | (-3.1) -5.1,-1.1 | 0.047 |
Vitamin C (mg)* | Least | 78.6 | 100.8 | (0.8) 0.7,0.9 | 82.9 | 94.6 | (0.9) 0.7,1.1 | Â |
 | Mid | 64.0 | 109.1 | (0.6) 0.5,0.7 | 76.8 | 80.0 | (1.0) 0.8,1.1 |  |
 | Most | 61.9 | 97.9 | (0.6) 0.5,0.7 | 77.8 | 70.3 | (1.1) 0.9,1.3 | 0.035 |