Abstract
Introduction: Nutritional vulnerability is more evident during childhood, since malnutrition has an impact on academic performance and is linked to different diseases during this period. Likewise, an increase in the incidence and prevalence of obesity in children has been observed, therefore, researches that assess nutritional conditions of children attending schools may have high-impact results in terms of public health.Objective: To relate children’s nutritional condition by using anthropometry, with serum concentrations of insulin-like growth factor 1 (IGF-1) and its binding protein 2 (IGFBP-2).Materials and methods: A cross-sectional observational and comparative study was performed in children aged 7 to 9 attending two schools, one from the public sector and the other from the private sector. An anthropometric assessment was performed in 157 children, while IGF-1 and IGFBP (enzyme immunoassay) serum concentrations were measured in 81 children. Pearson’s coefficient, analysis of variance (ANOVA), Dunnet’s test and Games Howell’s test, with a 95% confidence interval and a p<0.05 statistical significance, were considered for performing the statistical analysis.Results: Overweight and obesity were found in 46 subjects; the prevalence of obesity was higher in boys, while overweight prevalence was higher in girls. A direct relation between IGF-1 and height (p<0,05) was observed, while an inverse relation between IGFBP-2 and BMI (p<0,001) was found.Conclusions: IGF-1 serum concentrations were higher in students attending the public school.
Highlights
Nutritional vulnerability is more evident during childhood, since malnutrition has an impact on academic performance and is linked to different diseases during this period
Palabras clave: Factor I del crecimiento similar a la insulina; Niños; Estado nutricional; Proteína 2 de unión a factor de crecimiento similar a la Insulina; Adiposidad (DeCS)
This study was conducted in two schools that receive mainly children from families of socioeconomic strata 1 and 2: 1. Llano Oriental School, a public school located in the locality of Bosa in Bogotá, D.C., which receives 1184 students distributed in morning and afternoon school hours; during the morning, preschool and elementary school children are attended and during the afternoon middle and high school students
Summary
Nutritional vulnerability is more evident during childhood, since malnutrition has an impact on academic performance and is linked to different diseases during this period. According to the results of the National Survey on Nutrition and Food 2010 (ENSIN, by its acronym in Spanish) [3], a prevalence of low height for age of 12.6% and low weight for height of 1.1% was obtained, as well as a prevalence of overweight of 13.7% and obesity of 5.2% in the group of children aged 5 to 9. These findings can affect growth and development in this stage of life, determining the incidence of new diseases and affecting economic development
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