Growth secular trend during early childhood in Northern Spain

To check whether secular changes exist in growth pattern of caucasic children from the North of Spain up to 2 years of age compared with 25-30 years ago population growth curves. Longitudinal study of a representative cohort of caucasic infants born a term in Aragon (n=1.099). Standard deviation sco...

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Published in:	Nutrición hospitalaria : organo oficial de la Sociedad Española de Nutrición Parenteral y Enteral Vol. 28; no. 6; pp. 1985 - 1992
Main Authors:	Oves Suárez, Beatriz, Samper Villagrasa, M Pilar, Escartín Madurga, Laura, Álvarez Sauras, M Luisa, Moreno Aznar, Luis A, Labayen Goñi, Idoia, Rodríguez Martínez, Gerardo
Format:	Journal Article
Language:	Spanish
Published:	Spain 01-11-2013
Subjects:	Birth Weight - physiology Body Mass Index Cohort Studies Female Growth - physiology Humans Infant Infant, Newborn Longitudinal Studies Male Spain - epidemiology Spain
Online Access:	Get full text
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Summary:	To check whether secular changes exist in growth pattern of caucasic children from the North of Spain up to 2 years of age compared with 25-30 years ago population growth curves. Longitudinal study of a representative cohort of caucasic infants born a term in Aragon (n=1.099). Standard deviation scores (z-scores) for weight, length and body mass index (BMI) have been calculated by two available 25-30 years ago population growth curves (Sobradillo et al. and Ferrández et al.). At all ages, weight, length and BMI mean z-scores significantly vary depending on the growth standard curve used (p≤0.001). At birth, weight z-score is -0.36 (95%CI:-0.42;-0.30) according to Sobradillo et al. and -0.26 (95%CI:-0.29;0.33) according to Ferrández et al. These differences decreased progressively becoming minimum at 2 years (mean weight z-score -0.08 and -0.05; respectively). At this age, length mean z-score is +0.54 (95%CI:0.48;0.61) according to Sobradillo et al. and +0.19 (95%CI:0.12;0.25) according to Ferrández et al. Mean BMI z-scores of our sample showed lower values than selected standards. Current birth weight of caucasic infants from Northern Spain is lower than in the previous generation. At 2 years of age there is a trend of increasing length, with a similar weight, resulting in lower BMI values.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	1699-5198
DOI:	10.3305/nutrhosp.v28in06.6910