Total Energy Expenditure by the Doubly-Labeled Water Method in Rural Preschool Children in Cuba
2002
Hernández-Triana, Manuel | Salazar, Gabriela | Díaz, Erik | Sánchez, Vivian | Basabe, Beatriz | González, Soraya | Díaz, María Elena
An evaluation of the capacity of the Cuban Nutrition Program for covering the energy requirements of children was carried out in children 5.0 ± 1.0 years of age in a rural mountain community in Cuba. Five males and six females (19 ± 3.05 kg average weight) with a mean BMI 15.4 ± 2.2 kg/m²⁾ were included in the study. Six of the subjects were well-nourished, three were undernourished, and two were overweight. Total energy expenditure was determined by the doubly-labeled water technique. Resting metabolic rate was measured by indirect calorimetry. Energy intake, measured by a three-day weighed dietary record, was 1,527 kcal/day (6.39 MJ). The total energy expenditure of the well-nourished children was 11.8% lower than present energy recommendations (1,773 kcal). This implies that well-nourished children who are moderately to heavily physically active require 82.6 kcal/kg per day. The physical activity level of normal Cuban children is nearly 1.8, which is much higher than that reported in studies of children from industrialized countries using the doubly-labeled water technique. The measured daily energy intake was 1.7 times the resting metabolic rate RMR and 1.04 times the total energy expenditure.
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