Table 2.
Dietary characteristics of the studied participants by sex
| All (n = 1481) | Boys (n = 714) | Girls (n = 767) | p* | ||||
|---|---|---|---|---|---|---|---|
| Median | 25th–75th percentile | Median | 25th–75th percentile | Median | 25th–75th percentile | ||
| Energy intake (kcal/day) | 2329.2 | 2011.3–2777.2 | 2681.2 | 2302.8–3124.9 | 2078.1 | 1850.5–2357.0 | <0.001 |
| Total carbohydrate intake (g/day) | 273.7 | 227.7–342.5 | 313.9 | 255.2–384.3 | 248.6 | 205.6–294.9 | <0.001 |
| Total carbohydrate intake (% energy) | 49.1 | 45.0–52.9 | 48.8 | 44.7–52.7 | 49.3 | 45.5–53.1 | 0.157 |
| Total carbohydrate intake (g/kg/day) | 5.2 | 4.2–6.4 | 5.6 | 4.5–6.9 | 4.8 | 3.9–5.8 | <0.001 |
| Total protein intake (g/day) | 89.3 | 72.4–108.6 | 102.5 | 85.2–126.2 | 77.7 | 65.6–93.8 | <0.001 |
| Total protein intake (% energy) | 15.6 | 13.8–17.6 | 15.6 | 13.8–17.7 | 15.5 | 13.8–17.4 | 0.314 |
| Total protein intake (g/kg/day) | 1.6 | 1.3–2.0 | 1.8 | 1.5–2.3 | 1.5 | 1.3–1.8 | <0.001 |
| Total fat intake (g/day) | 86.5 | 72.2–106.2 | 99.7 | 82.5–120.2 | 78.4 | 66.8–92.2 | <0.001 |
| Total fat intake (% energy) | 32.4 | 28.4–36.5 | 32.3 | 28.3–36.0 | 32.5 | 28.5–36.7 | 0.224 |
| Total fat intake (g/kg/day) | 1.5 | 1.2–2.0 | 1.7 | 1.3–2.1 | 1.4 | 1.1–1.8 | <0.001 |
| Amino acids intake (mg/day) | |||||||
| Alanine | 4105.2 | 3321.7–5071.9 | 4678.9 | 3928.0–5948.7 | 3599.7 | 2977.1–4400.4 | <0.001 |
| Glycine | 3627.1 | 2977.8–4445.9 | 4210.2 | 3483.9–5104.4 | 3220.1 | 2697.4–3795.4 | <0.001 |
| Isoleucine | 4288.4 | 3515.0–5156.5 | 4922.0 | 4149.8–5944.6 | 3736.8 | 3188.4–4435.7 | <0.001 |
| Leucine | 6969.5 | 5718.1–8373.6 | 7979.6 | 6794.5–9651.6 | 6098.4 | 5201.8–7168.4 | <0.001 |
| Valine | 4860.2 | 3985.0–5832.6 | 5561.6 | 4734.0–6727.9 | 4224.7 | 3614.3–4977.3 | <0.001 |
| Phenylalanine | 3951.6 | 3270.9–4753.1 | 4545.9 | 3876.9–5455.0 | 3445.0 | 2993.7–4052.4 | <0.001 |
| Tryptophan | 1017.8 | 842.5–1219.4 | 1174.0 | 991.4–1405.2 | 895.7 | 771.2–1052.8 | <0.001 |
| Tyrosine | 3165.0 | 2595.8–3819.6 | 3646.4 | 3089.9–4402.0 | 2765.0 | 2363.7–3256.9 | <0.001 |
| Arginine | 4852.5 | 3994.3–5899.1 | 5542.0 | 4676.6–6801.7 | 4268.8 | 3605.1–5104.0 | <0.001 |
| Histidine | 2431.5 | 1971.8–2924.4 | 2797.7 | 2352.1–3416.3 | 2127.6 | 1793.8–2520.5 | <0.001 |
| Lysine | 5970.1 | 4800.9–7304.4 | 6768.4 | 5689.5–8472.7 | 5190.2 | 4323.7–6270.5 | <0.001 |
| Aspartate and asparagine | 7781.0 | 6348.1–9414.9 | 8871.1 | 7521.5–10,919.7 | 6770.7 | 5773.3–8124.0 | <0.001 |
| Glutamate plus glutamine | 17,713.4 | 14,858.6–21,337.5 | 20,343.3 | 17,444.8–24,180.0 | 15,520.7 | 13,601.6–18,249.4 | <0.001 |
| Serine | 4278.6 | 3549.5–5134.5 | 4943.0 | 4219.9–5942.9 | 3738.7 | 3237.7–4359.2 | <0.001 |
| Threonine | 3547.2 | 2899.7–4254.3 | 4050.6 | 3435.2–4945.9 | 3102.5 | 2644.5–3686.5 | <0.001 |
| Cysteine | 1189.1 | 985.9–1428.5 | 1361.0 | 1172.3–1613.5 | 1043.2 | 899.1–1211.3 | <0.001 |
| Methionine | 1951.9 | 1580.4–2364.1 | 2238.6 | 1886.5–2715.9 | 1707.7 | 1447.4–2037.5 | <0.001 |
| Proline | 6281.4 | 5259.9–7668.7 | 7233.1 | 6232.5–8584.8 | 5563.9 | 4783.4–6422.6 | <0.001 |
* p value obtained by means of Mann–Whitney U test