Open AccessPhysical activity monitor for recording energy expenditure in pregnancy
Author(s) -
BERNTSEN SVEINUNG,
STAFNE SIGNE N.,
MØRKVED SIV
Publication year - 2011
Publication title -
acta obstetricia et gynecologica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.401
H-Index - 102
eISSN - 1600-0412
pISSN - 0001-6349
DOI - 10.1111/j.1600-0412.2011.01172.x
Subject(s) - energy expenditure , medicine , intraclass correlation , confidence interval , doubly labeled water , limits of agreement , physical activity , energy metabolism , total energy expenditure , activity monitor , physical therapy , psychometrics , clinical psychology , nuclear medicine
Objective. To determine whether the energy expenditure recorded with the physical activity monitor SenseWear™ Pro 2 Armband differs from that recorded with indirect calorimetry. Design . Cross‐sectional comparison of measures of energy expenditure. Setting. A convenient sample recruited from a randomized controlled trial. Population. Twenty‐nine pregnant women (24–43years old). Methods. Energy expenditure was recorded with SenseWear™ Pro 2 Armband and a portable oxygen analyzer for 90minutes while carrying out a variety of activities of different intensities. Main Outcome Measures. Energy expenditure recorded with the physical activity monitor SenseWear™ Pro 2 Armband. Results. Comparing energy expenditure during free‐living activities, the mean differences and limits of agreements from Bland–Altman plots was −136±343kJ, giving an underestimation of energy expenditure by 9%. The intraclass correlation coefficient was 0.85 (95% confidence interval 0.71–0.93; p <0.001), giving 85% of the variance explained by differences among individuals. Conclusions. SenseWear™ Pro 2 Armband is a valid measure of energy expenditure during pregnancy.