Table 6.

Unadjusted correlation coefficients and cross-classification of quartiles of mean energy and nutrient intakes derived from the online Food4Me FFQ and 4-day WFR (n=49).

Nutrienta	Correlation	Quartiles, %
		Exact agreementb	Exact agreement plus adjacentc	Disagreementd	Extreme disagreemente
Energy (kcal)	.53f,h	41	84	12	2
Total fat (g)	.56h	37	88	10	2
Total fat (%TE)	.27	22	76	16	8
SFA (g)	.48h	37	82	14	4
SFA (%TE)	.38f,h	24	78	14	8
MUFA (g)	.56h	53	86	6	8
MUFA (%TE)	.45h	47	86	8	6
PUFA (g)	.45h	49	76	22	2
PUFA (%TE)	.24	27	71	24	4
Protein (g)	.59h	45	84	14	4
Protein (%TE)	.65f,h	45	86	14	0
Carbohydrate (g)	.43f,h	37	82	10	8
Carbohydrate (%TE)	.59f,h	49	82	18	0
Total sugars (g)	.60f,h	41	88	10	2
Total sugars (%TE)	.61f,h	45	88	10	2
Alcohol (g)	.61h	45	80	16	4
Calcium (mg)	.47f,h	41	73	17	0
Total folate (µg)	.58h	45	86	10	4
Iron (mg)	.50h	41	82	14	4
Total carotene (µg)	.42h	33	78	18	4
Riboflavin (mg)	.50h	45	84	14	2
Thiamin (mg)	.60h	43	82	16	2
Vitamin B6 (mg)	.44h	37	78	20	2
Vitamin B12 (µg)	.46h	39	78	20	2
Vitamin C (mg)	.54h	37	84	14	2
Retinol (µg)	.31g	37	76	18	6
Vitamin D (µg)	.23	27	67	27	6
Vitamin E (mg)	.30g	33	78	14	8
Sodium (mg)	.37h	49	65	31	4
Salt (g)	.37h	49	65	31	4

^aMUFA: monounsaturated fatty acids; PUFA: polyunsaturated fatty acids; RE: retinol equivalents; SFA: saturated fatty acids; TE: total energy.

^bExact agreement, % of cases cross-classified into the same quartile.

^cExact agreement plus adjacent, % of cases cross-classified into the same or adjacent quartile.

^dDisagreement, % of cases cross-classified 2 quartiles apart.

^eExtreme disagreement, % of cases cross-classified into extreme quartiles.

^fPearson correlation.

^g P<.05.

^h P<.01.