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Revista Española de Nutrición Humana y Dietética

versión On-line ISSN 2174-5145versión impresa ISSN 2173-1292

Resumen

MARTINEZ-REDONDO, Melchor  y  LATORRE-ROMAN, Pedro Ángel. Incidence of the Christmas holiday period on the weight condition of Primary-school students. Rev Esp Nutr Hum Diet [online]. 2017, vol.21, n.3, pp.230-236. ISSN 2174-5145.  http://dx.doi.org/10.14306/renhyd.21.3.352.

Introduction:

The aim of this study was to analyze changes in body mass index (BMI) of primary-school students and the differences between children with normal-weight, overweight and obesity after the Christmas holiday period.

Material and Methods:

Longitudinal and prospective descriptive study was performed. A total of 156 students of the public school Doctor Fleming from Jódar, Jaén (Spain) participated in this study, aged 8 to 12 years: 119 with normal-weight, 18 with overweight and 19 with obesity. Measurements of height, weight, and BMI were taken at three moments: in the school period prior to the Christmas holiday, after a non-school period (Christmas holiday) and 20 days after the Christmas holiday, with an interval time between measurements of 20 days.

Results:

The data (mean [standard deviation]) showed an increase in the BMI after the Christmas holiday period in all groups: normal-weight: 0.09(0.43)kg/m2; overweight: 0.29(0.46)kg/m2; and obesity: 0.50(0.70)kg/m2 with significant differences between normal-weight and obesity (p=0.007). After 20 days after Christmas, children with normal-weight were approximated to near values to the first measurement with significant differences (p<0.05) in relation to children whit obesity who were the ones that least decrease their BMI (0.04[0.56]kg/m2 versus 0.38[0.50]kg/m2).

Conclusions:

Children with obesity showed higher values of BMI than normal-weight children during the non-school period, and they do not recover initial values in relation to normal-weight children.

Palabras clave : Body Mass Index; Child; Schools; Holidays.

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