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Table 3 Daily intake of nutrients estimated by the average 3 R24, FFQ.1 and FFQ.2

From: Design and validation of a food frequency questionnaire (FFQ) for the nutritional evaluation of food intake in the Peruvian Amazon

Energy and nutrientsR24FFQ.1FFQ.2
MeanMedianSDMeanMedianSDMeanMedianSD
Energy (Kcal)1988.21924.5751.42058.11990.5846.82069.82006.5809.8
Proteins (g)96.6b82.245.9105.289.845.7107.8100.350.7
Fats (g)88.1a91.228.788.892.130.690.291.932.3
Carbohydrates (g)273.3b244.5122.6302.4287.2130.1308.1286.5146.0
Ca (mg)535.4518.7ªb221.4634.9551.9b345.3924.4886.3367.8
P (mg)1028.3879 ªb506.81274.81140.5b651.21362.81143697.2
Na (mg)3909.03133.520674513.33809.523464414.43672.52206
K (mg)2482.32720ªb1284.62779.62376.51343.72840.927201284.6
Fe (mg)7.87.5ªb2.79.08.54.19.08.93.9
Tiamin (mg)1.71.7a0.91.91.80.91.91.80.8
Riboflavin (mg)2.11.7ab1.52.32.0b2.51.20.71.4
Vitamin B6 (mg)1.91.7a1.12.02.01.12.01.71.2
Folic Acid (μg)198.4155.1ab134.5227.9216.1126.8217.0165.9134.1
Vitamin B12 (μg)4.42.5ab4.06.96.0b3.75.44.04.4
Vitamin C (mg)116.792.8ab72.4146.7129.084.0134.1123.273.5
Vitamin A (μg of RE)320.4314.0a124.1594.6346.0878.3572.3305.21056.5
Vitamin D (μg)1.00.5ab1.81.00.70.71.00.80.7
  1. aSignificant differences (p < 0.05) for FFQ.1
  2. bSignificant differences (p < 0.05) for FFQ.2
  3. abSignificant differences (p < 0.05) for both FFQ