Table 3.

Comparison of energy, selected nutrients, and energy adjusted nutrients between three telephone-administered 24-hour dietary recalls (RapidCalc) and one Automated Self-Administered 24-hour diet recall (ASA24) among participants generating nutrient values in the ASA24; n=37

Energy or nutrients	RapidCalc	ASA24	% Difference	Pearson correlation coefficient	95% confidence interval from RapidCalc
	mean±standard deviationa
Total energy (kcal)	1883±599**	1576±795	16	0.56***	[1683, 2083]
Protein (g)	79±24	71±44	10	0.57***	[71, 87]
Total fat (g)	75±29	67±41	11	0.45**	[65, 85]
Cholesterol (mg)	255±133	258±213	−1	0.38*	[211, 299]
Carbohydrate (g)	218±82**	171±97	22	0.54**	[190, 245]
Dietary fiberb (g)	18.1±8.7*	14.6±8.7	19	0.47**	[15.2, 21.0]
Calcium (mg)	645±313	547±318	15	0.38*	[540, 749]
Sodium (mg)	2670±1156	2777±1590	−4	0.37*	[2284, 3055]
Energy adjusted (nutrient/100 kcal):
Protein (g)	4.4±1.1	4.3±2.0	2.2	0.22	[4.0, 4.7]
Total fat (g)	4.0±0.77	4.2±2.0	−5	0.21	[3.7, 4.2]
Cholesterol (mg)	13.7±5.8	15.2±12.7	−10.9	0.19	[11.6, 15.2]
Carbohydrate (g)	11.5±2.1	11.1±4.2	3.5	0.41*	[10.8, 12.3]
Dietary fiberb (g)	0.96±0.34	0.95±.62	1.0	0.26	[0.86, 1.10]
Calcium (mg)	35±15	37±19	−6	0.35*	[30, 40]
Sodium (mg)	142±39*	173±61	−22	0.12	[129, 155]

^aDifference by paired t-test

^bTotal dietary fiber

^*p<.05,

^**p<.01,

^***p<.001