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Title: Determining the Metabolic Rate of the Thai Elderly
Authors: Sumavalee Chindapol
John Blair
Paul Osmond
Deo Prasad
Keywords: Metabolic rate
Hot humid climate
Issue Date: 2017
Publisher: Chiang Mai University
Citation: Chiang Mai University (CMU) Journal of Natural Sciences 16,1 (Jan-Mar 2017), 37-49
Abstract: The elderly have a slower metabolism than the young, which affects their thermal perceptions and comfort, particularly in hot humid climates. Understanding these differences is important to identify the thermal comfort levels of the elderly. The available data from Thailand is insufficient, so we analyzed the literature for a proxy to estimate the metabolic equivalent of task (MET) rate for Thai elderly (60 years old and over). A Vietnamese database was the most reasonable proxy, since the body size of Thai and Vietnamese are similar, with considerable similarity in culture, food, and climate. This study applied 18 human metabolism equations derived from the literature to the Vietnamese data. Following statistical analysis of the measured MET rate of the Vietnamese elderly, seven studies were found to be accurate to within a ±10% margin of error: Schofield (1985), WHO (1985), Owen et al. (1986), EU (1993), Muller et al. (2004), Henry (2005), and Wells et al. (2009). Of these, the aggregate equation (Wells et al., 2009) was the most convincing method for estimating the MET rate of the Thai elderly, since it incorporates the Southeast Asian context and limits bias. In conclusion, using the most accurate equation, the MET rate of the average Thai elderly is calculated as 1,560 kcal/day for males and 1,230 kcal/day for females, equivalent to 43.10 W/m2 (0.966 kcal/kg/h) and 38.57 W/m2 (0.884 kcal/kg/h), respectively
Description: Chiang Mai University (CMU) Journal of Natural Sciences is dedicated to the publication of original research in Sciences &Technology and the Health Sciences. Submissions are welcomed from CMU, as well as other Thai and foreign institutions. All submissions must be original research not previously published or simultaneously submitted for publication. Manuscripts are peer reviewed using the double -blinded review system by at least 2 reviewers before acceptance. The CMU Journal of Natural Sciences is published four times a year, in January, April, July and October.
ISSN: 2465-4337
Appears in Collections:CMUL: Journal Articles

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