Table 5. Total diet: The effect of year on children’s mean daily nutrient intake and Dietary Reference Values/Reference Nutrient Intakes (DRV/RNI) [39].

Nutrient	DRV/RNI	1999–2000*2009–10	[2009–10]–[1999–2000]
		Mean†		Mean difference	95% CI for difference	p-value‡
Energy (kcals)	M§ = 2220; F§ = 1845	1924	1665	−259	−332; −185	<0.001
% energy saturated fat	≤11	12.9	12.7	−0.2	−0.6; 0.2	0.4
% energy NMES	≤11	16.5	16.0	−0.5	−1.3; 0.4	0.3
NSP (g)	–	10.8	9.9	−0.9	−1.5; −0.3	0.002
Sodium (mg)	1600	2593	2118	−475	−590; −361	<0.001
Vitamin C (mg)∥	35	67.6	79.4	1.2	1.1; 1.3	<0.001
Calcium (mg)	M = 1000; F = 800	698	802	104	60; 149	<0.001
Iron (mg)	M = 11.3; F = 14.8	9.6	8.6	−1.0	−1.6; −0.5	<0.001

*Number of children participating in 1999–2000 (n = 298) and 2009–10 (n = 215).

^†Mean adjusted for gender, day-type, lunch type and level of deprivation.

^‡95% CI and p-value derived from a linear mixed effects model.

^§M (male) F (female).

^∥Vitamin C log transformed; geometric means and ratios reported.