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Nutrición Hospitalaria

versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611

Resumen

OVES SUAREZ, Beatriz  y  GRUPO COLABORATIVO CALINA et al. Growth secular trend during early childhood in Northern Spain. Nutr. Hosp. [online]. 2013, vol.28, n.6, pp.1985-1992. ISSN 1699-5198.  http://dx.doi.org/10.3305/nh.2013.28.6.6910.

Objective: 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. Material and methods: 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 Ferrandez et al.). Results: 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 Ferrandez 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 Ferrandez et al. Mean BMI z-scores of our sample showed lower values than selected standards. Conclusions: 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.

Palabras clave : Secular treng; Growth; Antropometry.

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