Validation of Total Daily Energy Expenditure Calculated with Actiheart against Doubly Labeled Water Method in Costa Rican Schoolchildren

Abstract

The purpose of this study was to use the measurement of the PAEE taken from Actiheart in order to calculate the TEE in Costa Rican schoolchildren, and at the same time, to determine the effectiveness when it is compared against the TEE obtained by the DLW. A total of sixteen male schoolchildren were measured for their total daily energy expenditure (TEE) with the doubly labeled water (DLW) technique. The TEE obtained by the Actiheart monitor was calculated and validated against the DWL. The TEE was obtained adding the physical activity energy expenditure given by the Actiheart, plus the basal metabolic rate, and the energy cost of growth. The Pearson's productmoment correlation coefficient and the paired t-test sample were measured in order to identify the association of the data and to evidence the differences between both measurements of TEE respectively. The Lin's concordance correlation coefficient and the Bland-Altman plot evaluated the concordance of both methods. The correlation between the TEE obtained by DLW and the one calculated by Actiheart was r = 0.97, P < 0.001. The paired t-test showed no significant differences between both methods. Lin's concordance correlation coefficient was Cb = 0.99, classified as almost perfect. The study validated the TEE calculated with Actiheart against the TEE measured by the DLW.

Sleep extension is a feasible lifestyle intervention in free-living adults who are habitually short sleepers: a potential strategy for decreasing intake of free sugars? A randomized controlled pilot study

“…The Actiheart has been previously validated against doubly labeled water ( 54 , 55 ), a gold standard for the assessment of TEE in free-living conditions. The monitor was fitted to the chest with the use of 2 electrocardiogram electrodes (SP-50, 50 mm round; Pulse Medical) for attachment.…”

Accuracy of dietary reference intake predictive equation for estimated energy requirements in female tennis athletes and non-athlete college students: comparison with the doubly labeled water method

“…The sample size was 15 in a study by St-Onge et al [ 21 ], which used the DLW method to assess energy balance during periods of short and habitual sleep in normal-weight men and women. Another study conducted by Zamora-Salas et al [ 22 ] on the validation of total daily energy expenditure calculated with Actiheart using the DLW method in Costa Rican schoolchildren, the number of subjects was 16. In another study by Santos et al [ 18 ], the DLW method was used to assess 7-day TEE in 12 subjects (four male and eight female elite junior basketball players) aged 16-17 years.…”