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  • Title: [Pilot study on total energy expenditure by accelerometer and physical activity logs].
    Author: Li Y, Liu JM, Yang XG, Li KJ.
    Journal: Zhonghua Yu Fang Yi Xue Za Zhi; 2008 Mar; 42(3):192-5. PubMed ID: 18788585.
    Abstract:
    OBJECTIVE: Using accelerometer and physical activity logs to evaluate daily energy expenditure, as to providing a simple and convenient method to survey the total energy expenditure (TEE). METHODS: The different activity intensities recorded by accelerometer were distinguished into a certain different energy expenditure value by gas metabolism method. Forty-one participants wore the accelerometer for 7 days continuously and completed physical activity logs everyday at the same time. The total energy expenditure was evaluated by these methods. RESULTS: Total energy expenditure evaluated by accelerometer was (9761 +/- 866) kJ/d [(2332 +/- 207) kcal/d, PAL 1.46 +/- 0.11] for male and (7526 +/- 879) kJ/d [ (1798 +/- 210) kcal/d,P AL 1.43 +/- 0.09 for female; whereas combining accelerometer and physical activity logs data showed that the total energy expenditure was (10 573 +/- 804) kJ/d [(2526 +/- 192) kcal d, PAL 1.58 +/- 0.10] for male, and 8191 +/- 737 kJ/d [(1957 +/- 176) kcal/d, PAL 1.56 +/- 0.08] for female. CONCLUSIONS: Using accelerometer and physical activity logs to evaluate the total energy expenditure might be consistent with the existing data, so this method might be used to survey the individual energy expenditure and physical activity levels.
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