Table 3. Lunchtime: Change in children’s mean daily nutrient intake from school lunch between 1999–2000 and 2009–10, and nutrient-based standards [16].

Nutrient	Standard	Consumption from school lunch
		1999–2000	2009–10	[2009–10]–[1999–2000]
		n = 240	n = 78
		mean*		mean difference	95% CI for difference	p-value†
Energy (kcals)	610	729	497	−232	−276; −189	<0.001
% energy fat	–	40.6	30.7	−9.9	−11.4; −8.6	<0.001
% energy saturated fat	–	12.5	10.6	−1.9	−2.7; −1.3	<0.001
% energy NMES	–	11.9	13.0	1.1	−0.4; 2.7	0.2
NSP (g)	min 4.9	3.9	3.2	−0.7	−1.0; −0.4	<0.001
Sodium (mg)	max 714	908	518	−390	−453; −328	<0.001
Vitamin C (mg) ‡	min 12.3	28.8	28.2	1.0	0.9; 1.1	0.7
Calcium (mg)	min 350	206.5	184.2	−22.3	−44.4; −0.3	0.05
Iron (mg)	min 5.2	2.8	2.1	−0.7	−0.9; −0.5	<0.001

*Mean adjusted for gender.

^†P-value derived from a linear mixed effects model.

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