Within- and between-subject variation in energy expenditure measured by the double-labelled water technique: Implications for validating reported dietary energy intake

Article Abstract:

Within-subject variation in free-living energy expenditure was examined and previous estimates of 8% for within-subject variation in doubly-labelled water technique were supported.

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Human energy expenditure in affluent societies: an analysis of 574 doubly-labelled water measurements

Article Abstract:

Data obtained by doubly-labelled water measurements reveal that energy expenditure in Western populations is similar to the recommendations made by the UK government and world health bodies. Total energy expenditure, basal metabolic rate, and activity energy expenditure have a positive correlation with weight and height and a negative correlation with age. Energy expenditure varied with sex and the influence of height, age and weight varied in cases where total energy expenditure was expressed as physical activity level.

Measurement, Basal metabolism

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Energy expenditure in overweight and obese adults in affluent societies: an analysis of 319 doubly-labelled water measurements

Article Abstract:

Energy expenditure analysis in adults of 18-64 years of age in affluent societies confirms the substantial and progressive increase of habitual energy expenditure in obesity. Physical activity patterns in less-than-massive obesity appear to be similar at various levels of body mass index. The claims that obese persons retain their weight despite very low energy intake conflict with the results of this analysis. An inactive lifestyle can, however, have a significant general risk aspect for the development of obesity.

Analysis, Physiological aspects, Obesity, Bioenergetics, Body weight

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