An Assessment of the Validity of an Audio-Video Method of Food Journaling for Dietary Quantity and Quality

Table 1

Software analysis data for estimates by researcher and registered dietician for macro- and micronutrients.

	Researcher (mean ± SD)	Registered dietician (mean ± SD)	Spearman correlation
Total weight (g)	411.6 ± 139.05	456.5 ± 195.68	0.599
Calories (kcal)	697.5 ± 352.64	794.5 ± 388.88	0.774
Energy (kJ)	2823.4 ± 1314.16	3255.0 ± 1689.37	0.781
Protein (g)	31.5 ± 15.30	30.8 ± 14.79	0.667
Carbohydrates (g)	74.4 ± 44.09	85.5 ± 54.33	0.803
Fiber (g)	5.8 ± 4.75	7.0 ± 5.78	0.798
Fat (g)	29.8 ± 19.52	35.1 ± 19.25	0.675
Saturated fat (g)	7.7 ± 5.01	8.1 ± 3.67	0.731
Trans fat (g)	2.9 ± 9.46	0.7 ± 749	0.513
Vitamin A (µg)	230.7 ± 220.19	239.9 ± 204.65	0.551
Vitamin C (mg)	20.7 ± 19.20	23.9 ± 27.21	0.453
Vitamin D (mg)	52.3 ± 72.59	57.4 ± 69.62	0.533
Vitamin E (mg)	5.2 ± 3.84	5.1 ± 3.52	0.596
Calcium (mg)	215.7 ± 228.16	215.7 ± 174.19	0.778
Magnesium (mg)	83.0 ± 51.71	83.2 ± 48.57	0.670
Potassium (mg)	916.4 ± 551.26	978.3 ± 700.62	0.769
Sodium (mg)	1355.8 ± 893.43	1203.2 ± 695.19	0.817
Iron (mg)	4.3 ± 1.82	4.7 ± 2.15	0.745
Zinc (mg)	3.4 ± 2.10	3.6 ± 1.95	0.818
Folate (µg)	114.0 ± 71.15	124.7 ± 81.12	0.671