| Abstract | | Background: Data on a nationally representative dietary intake in Central Europe is lacking. We investigated the diet of adolescents in Slovenia. Methods: Dietary habits were assessed using a food frequency questionnaire (n = 2,661), and present nutrition was assessed using a 3-day weighted dietary protocol (n = 197) for validation purposes. Dietary intake was calculated and compared with Central European [German (D), Austrian (A), and Swiss (CH); D-A-CH] recommendations and World Health Organization/Food and Agriculture Organization (WHO/FAO) recommendations. Results: Adolescents consumed exceeding reference intake values of free sugars (boys 16% of energy, girls 17%), saturated fatty acids (SFA; 13% of energy), and sodium (boys 203%, girls210% of the WHO/FAO upper limit), but below-reference intake values of polyunsaturated fatty acids (PUFA; boys 5% of energy; girls 6%), water (boys 1,786 ml/day, girls 2,016 ml/day), and fiber density (only girls 2.8 g/MJ, p <0.001). Among micronutrients, below-reference intakes (% of D-A-CH: boys and girls, respectively, p < 0.05) were reported for folate (64 and 69%), fluoride(28 and 31%), and calcium (91 and 97%), as well as for vitamin D (20 and 20%). Conclusions: The dietary habits of Slovenian adolescents are less than optimal. They are characterized by exceeding reference intake values of free sugars, salt, and SFA, and a below-reference intake of PUFA, water, and several micronutrients.
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