Table 4. Lunchtime: Change in children’s mean daily nutrient intake in home-packed lunch between 1999–2000 and 2009–10, and nutrient-based standards [16].

Nutrient	Standard	Consumption from home-packed lunch
		1999–2000	2009–10	[2009–10]–[1999–2000]
		n = 58	n = 137
		mean*		mean difference	95% CI for difference	p-value†
Energy (kcals)	610	605	578	−27	−77; 23	0.3
% energy fat	–	34.0	32.3	−1.7	−4.0; 0.7	0.2
% energy saturated fat	–	14.1	14.2	0.1	−1.3; 1.5	0.8
% energy NMES	–	17.8	17.1	−0.7	−3.0; 1.7	0.6
NSP (g)	min 4.9	2.9	3.4	0.5	0.04; 1.0	0.03
Sodium (mg)	max 714	954	889	−65	−165; 34	0.2
Vitamin C (mg) ‡ §	min 12.3	26.9	34.7	1.3	1.1; 1.6	0.006
Calcium (mg)	min 350	223.2	292.1	68.9	21.1; 116.7	0.005
Iron (mg)	min 5.2	2.6	2.4	−0.2	−0.5; 0.1	0.3

*Mean adjusted for gender.

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

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