Development and validation of nutrient estimates based on a food-photographic record in Japan

Saeki, Keigo; Otaki, Naoto; Kitagawa, Maiko; Tone, Nobuhiro; Takachi, Ribeka; Ishizuka, Rika; Kurumatani, Norio; Obayashi, Kenji

doi:10.1186/s12937-020-00615-y

Nutrition Journal

Table 3 Reproducibility of estimates based on a food-photographic record between two independent analysts

From: Development and validation of nutrient estimates based on a food-photographic record in Japan

	Analyst 1	Analyst 2	Correlation
	median (IQR)	median (IQR)	coefficient^a
Portion size, g	81.5 (30.0, 184.5)	83.0 (30.0196.6)	0.95
Energy, kcal	78.0 (22.5, 184)	79.5 (24.0, 199.5)	0.96
Protein, g	3.9 (1.5, 8.6)	4.1 (1.5, 9.3)	0.95
Fat, g	2.8 (0.6, 7.7)	2.8 (0.6, 8.3)	0.97
Triglyceride, g	2.8 (0.6, 7.5)	3.1 (0.6, 8.2)	0.97
SFA, g	0.5 (0.1, 1.7)	0.6 (0.1, 1.9)	0.98
MUFA, g	0.9 (0.1, 2.9)	0.9 (0.1, 3.3)	0.97
PUFA, g	0.8 (0.1, 2.3)	0.8 (0.1, 2.5)	0.97
Cholesterol, mg	22.0 (6.0, 53.1)	24.0 (6.0, 64.9)	0.96
Carbohydrate, g	5.6 (2.1, 18.2)	5.7 (2.1, 18.4)	0.97
Total dietary fiber, g	1.1 (0.5, 2.0)	1.1 (0.5, 2.2)	0.96
Water soluble, g	0.2 (0.1, 0.5)	0.3 (0.1, 0.5)	0.97
Water insoluble, g	0.8 (0.3, 1.6)	0.8 (0.4, 1.6)	0.97
Sodium, mg	303.0 (160.0, 494.0)	311.7 (170.0, 546.7)	0.92
Potassium, mg	150.5 (62.3, 298.2)	152.1 (65.3, 302.3)	0.95
Calcium, mg	23.4 (8.9, 44.0)	24.0 (9.0, 46.8)	0.94
Magnesium, mg	15.3 (6.8, 27.0)	16.1 (7.0, 30.8)	0.93
Phosphorus, mg	65.8 (26.0, 123.0)	67.1 (28.0, 138.0)	0.94
Iron, mg	0.5 (0.2, 0.9)	0.6 (0.2, 1.0)	0.93
Zinc, mg	0.4 (0.1, 0.9)	0.4 (0.1, 1.0)	0.95
Copper, mg	0.05 (0.01, 0.12)	0.06 (0.01, 0.12)	0.95
Manganese, mg	0.09 (0.02, 0.26)	0.10 (0.02, 0.28)	0.97
Iodine, μg	2.1 (0.6, 8.0)	2.1 (0.6, 8.7)	0.98
Selenium, μg	2.2 (0.9, 8.1)	2.2 (0.9, 9.9)	0.97
Chromium, μg	0.5 (0.2, 0.9)	0.6 (0.2, 1.2)	0.97
Molybdenum, μg	6.4 (2.5, 17.5)	6.5 (2.9, 17.5)	0.97
Retinol, μg	13.5 (2.5, 35.0)	16.8 (2.5, 42.5)	0.97
α-carotene, μg	112.0 (1.1, 280.0)	125.0 (1.1, 375.2)	0.99
β-carotene, μg	95.8 (14.2, 770.0)	111.3 (12.6, 771.6)	0.97
Cryptoxanthin, μg	4.5 (1.0, 11.7)	4.9 (1.5, 13.6)	0.96
Vitamin D, μg	0.3 (0.2, 0.8)	0.4 (0.2, 0.9)	0.94
α-tocopherol, mg	0.3 (0.1, 0.9)	0.3 (0.1, 0.9)	0.94
β-tocopherol, mg	0.06 (0.03, 0.09)	0.06 (0.03, 0.10)	0.97
γ-tocopherol, mg	0.9 (0.1, 2.7)	0.9 (0.2, 2.9)	0.97
δ-tocopherol, mg	0.4 (0.2, 0.8)	0.5 (0.2, 0.8)	0.98
Vitamin K, μg	12.0 (3.8, 25.2)	12.7 (3.8, 29.9)	0.96
Vitamin B₁, mg	0.05 (0.02, 0.10)	0.05 (0.02, 0.10)	0.95
Vitamin B₂, mg	0.05 (0.02, 0.13)	0.05 (0.02, 0.14)	0.94
Niacin, mg	0.8 (0.2, 2.1)	0.8 (0.2, 2.4)	0.94
Vitamin B₆, mg	0.06 (0.02, 0.14)	0.06 (0.02, 0.15)	0.95
Vitamin B₁₂, μg	0.3 (0.2, 0.7)	0.4 (0.2, 0.7)	0.94
Folate, μg	17.0 (5.9, 32.0)	18.0 (6.3, 34.8)	0.96
Pantothenic acid, mg	0.28 (0.08, 0.60)	0.29 (0.08, 0.73)	0.96
Biotin, μg	2.3 (1.2, 4.3)	2.5 (1.3, 4.6)	0.96
Vitamin C, mg	5.4 (2.1, 12.5)	6.0 (2.2, 14.0)	0.98

SFA Saturated fatty acid, MUFA Monounsaturated fatty acid, PUFA Polyunsaturated fatty acid
^aSpearman’s rank correlation coefficient

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