Asociación entre el índice de masa corporal y la talla desde el nacimiento hasta los 5 años en preescolares chilenos

Background: It has been shown that excess weight gain during childhood is associated with a greater risk of obesity; this relationship may be mediated by growth in height. Aim: To quantify the associations between z scores for body mass index (BMIZ) and height for age (HAZ) from birth to 5 years of...

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Autores principales:	Kain,Juliana, Corvalán,Camila, Lera,Lydia, Galván,Marcos, Weisstaub,Gerardo, Uauy,Ricardo
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2011
Materias:	Body height Body mass index Child, preschool
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872011000500007
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spelling	oai:scielo:S0034-988720110005000072011-09-16Asociación entre el índice de masa corporal y la talla desde el nacimiento hasta los 5 años en preescolares chilenosKain,JulianaCorvalán,CamilaLera,LydiaGalván,MarcosWeisstaub,GerardoUauy,Ricardo Body height Body mass index Child, preschool Background: It has been shown that excess weight gain during childhood is associated with a greater risk of obesity; this relationship may be mediated by growth in height. Aim: To quantify the associations between z scores for body mass index (BMIZ) and height for age (HAZ) from birth to 5 years of age and to assess how this association varies according to age and adiposity. Material and Methods: Weight and height were recorded at 11 occasions from birth on a cohort of1089 Chilean five year-old children with a birth weight > 2500 g. BMI, BMIZ, HAZ and prevalence of obesity were calculated. We determined the cross-sectional association between BMIZ and HAZ for the total sample and by 3 BMI Z categories, using Pearson correlation. We determined the probability of obesity according to four HAZ categories. Results: Obesity increased continuously reaching approximately 16% at 5 years. Stunting was virtually nonexistent. No association between BMIZ and HAZ was observed at birth, while at 1 and 2 months, leaner infants had lower stature. No association between theseparameters was observed between 6-24 months, while after 3 years, a clear relationship was observed. Conclusions: The probability of a preschool child of being obese is less than 10% with a HAZ is < 0. Nevertheless, children with heights above the median (even within the normal range) have an increased risk of obesity, especially after 3 y of age. Between 0-5 years, the relationship between weight and height varies by age and adiposity.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.139 n.5 20112011-05-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872011000500007es10.4067/S0034-98872011000500007
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Body height Body mass index Child, preschool
spellingShingle	Body height Body mass index Child, preschool Kain,Juliana Corvalán,Camila Lera,Lydia Galván,Marcos Weisstaub,Gerardo Uauy,Ricardo Asociación entre el índice de masa corporal y la talla desde el nacimiento hasta los 5 años en preescolares chilenos
description	Background: It has been shown that excess weight gain during childhood is associated with a greater risk of obesity; this relationship may be mediated by growth in height. Aim: To quantify the associations between z scores for body mass index (BMIZ) and height for age (HAZ) from birth to 5 years of age and to assess how this association varies according to age and adiposity. Material and Methods: Weight and height were recorded at 11 occasions from birth on a cohort of1089 Chilean five year-old children with a birth weight > 2500 g. BMI, BMIZ, HAZ and prevalence of obesity were calculated. We determined the cross-sectional association between BMIZ and HAZ for the total sample and by 3 BMI Z categories, using Pearson correlation. We determined the probability of obesity according to four HAZ categories. Results: Obesity increased continuously reaching approximately 16% at 5 years. Stunting was virtually nonexistent. No association between BMIZ and HAZ was observed at birth, while at 1 and 2 months, leaner infants had lower stature. No association between theseparameters was observed between 6-24 months, while after 3 years, a clear relationship was observed. Conclusions: The probability of a preschool child of being obese is less than 10% with a HAZ is < 0. Nevertheless, children with heights above the median (even within the normal range) have an increased risk of obesity, especially after 3 y of age. Between 0-5 years, the relationship between weight and height varies by age and adiposity.
author	Kain,Juliana Corvalán,Camila Lera,Lydia Galván,Marcos Weisstaub,Gerardo Uauy,Ricardo
author_facet	Kain,Juliana Corvalán,Camila Lera,Lydia Galván,Marcos Weisstaub,Gerardo Uauy,Ricardo
author_sort	Kain,Juliana
title	Asociación entre el índice de masa corporal y la talla desde el nacimiento hasta los 5 años en preescolares chilenos
title_short	Asociación entre el índice de masa corporal y la talla desde el nacimiento hasta los 5 años en preescolares chilenos
title_full	Asociación entre el índice de masa corporal y la talla desde el nacimiento hasta los 5 años en preescolares chilenos
title_fullStr	Asociación entre el índice de masa corporal y la talla desde el nacimiento hasta los 5 años en preescolares chilenos
title_full_unstemmed	Asociación entre el índice de masa corporal y la talla desde el nacimiento hasta los 5 años en preescolares chilenos
title_sort	asociación entre el índice de masa corporal y la talla desde el nacimiento hasta los 5 años en preescolares chilenos
publisher	Sociedad Médica de Santiago
publishDate	2011
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872011000500007
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Asociación entre el índice de masa corporal y la talla desde el nacimiento hasta los 5 años en preescolares chilenos

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