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The purpose of this study was to validate estimated energy intake from a web-based food recall, designed for children and adolescents. We directly compared energy intake to estimates of total energy expenditure, calculated from accelerometer outputs, combined with data on weight and sex or resting energy expenditure prediction equations. Children 8–9 years and adolescents 12–14 years were recruited through schools in Norway in 2013 N = 253. Results showed that more than one third 36–37% were identified as under-reporters of energy. In contrast, only 2–4% were defined as over-reporters of energy. The mean energy intake was under-reported with -1.83 MJ-day for the entire study sample. Increased underestimation was observed for overweight and obese participants, the oldest age group 12–14 years, boys, those with parents-legal guardians with low educational level and those living in non-traditional families. In conclusion, energy intake from the web-based food recall is significantly underestimated compared with total energy expenditure, and should be used with caution in young people.



Autor: Anine Christine Medin , Bjørge Herman Hansen, Helene Astrup, Ulf Ekelund, Lene Frost Andersen

Fuente: http://plos.srce.hr/



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