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Nutrición Hospitalaria

versión impresa ISSN 0212-1611

Resumen

ARROYO, M.; FREIRE, M.; ANSOTEGUI, L.  y  ROCANDIO, A. Mª. Intraobserver error associated with anthropometric measurements made by dietitians. Nutr. Hosp. [online]. 2010, vol.25, n.6, pp.1053-1056. ISSN 0212-1611.

Introduction: Although dietitians play an important role in the anthropometric assessment, reports on measurements made by these health professionals rarely include estimates of measurement error. Aim: To estimate of intraobserver precision for three common anthropometric measurements made by dietitians. Methods: Twenty six measurers performed measurements (upper mid-arm circumference, tricipital and bicipital skinfold) in two times a sample of ten volunteers. Four precision estimates were calculated: the technical error of measurement (TEM), the relative technical error of measurement (rTEM), the coefficient of reliability (R) and the coefficient of variation (CV). Results: For skinfold thickness, rTEM was smaller than 2.2; for circumference, rTEM was smaller than 0.6. The precision to measure skinfolds was lower than the precision to circumference. Anyway, for all measurements R showed a high degree of precision (R > 95). Conclusion: Our results suggest that anthropometric parameters evaluated are sufficiently precise. However, periodical training is necessary to control and minimize the anthropometric measurement error.

Palabras clave : Precision; Skinfold thickness; Circumference; Intraobserver variability; Technical error of measurement.

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