Racette S B, Schoeller D A, Kushner R F
Department of Medicine, University of Chicago, IL 60637.
Med Sci Sports Exerc. 1995 Jan;27(1):126-33.
Comparison of heart rate and physical activity recall with doubly labeled water in obese women. Med. Sci. Sports Exerc., Vol. 27, No. 1, pp. 126-133, 1995. Accurate methods of estimating total daily energy expenditure (TDEE) that are inexpensive and differentiate activities of varying intensities are needed in obesity research. We compared minute-by-minute heart rate (HR) monitoring and the 7-d physical activity recall (PAR) questionnaire with doubly labeled water (DLW) for the measurement of TDEE and physical activity in 14 obese women (45% +/- 4% fat, mean +/- SD) before and during 12 wk of weight reduction. TDEE was measured over 2 wk by DLW. HR monitoring was conducted for 3 d, with individual VO2/HR calibrations applied to HR data above 3 METs. PAR revealed the amount of time spent in sleep, moderate, hard, and very hard activities during 1 wk, with time spent in light activities determined by difference. Mean TDEE values, expressed as the % difference from DLW, prior to weight loss were -5.2 +/- 10.8% by HR and 3.4 +/- 14.4 by PAR, and during the diet were + 0.9 +/- 14.1% by HR and + 0.9 +/- 14.7% by PAR. Individual variability was high for both HR (-24.0 to + 25.6%) and PAR (-27.4 to + 36.2%). Energy expended in physical activity prior to weight loss were 3.97 +/- 1.23 MJ.d-1 by DLW, 3.91 +/- 0.90 by HR, and 4.79 +/- 0.95 by PAR. During weight loss, physical activity values by DLW, HR, and PAR were 4.31 +/- 1.18, 4.84 +/- 2.22, and 4.64 +/- 1.06 MJ.d-1, respectively.(ABSTRACT TRUNCATED AT 250 WORDS)
肥胖女性心率和体力活动回忆与双标水法的比较。《医学与科学：运动与锻炼》，第27卷，第1期，第126 - 133页，1995年。肥胖研究需要廉价且能区分不同强度活动的准确估算每日总能量消耗（TDEE）的方法。我们在14名肥胖女性（体脂率45%±4%，均值±标准差）减重前及减重12周期间，将逐分钟心率（HR）监测和7天体力活动回忆（PAR）问卷与双标水法（DLW）进行比较，以测量TDEE和体力活动。TDEE通过DLW在2周内进行测量。HR监测持续3天，对高于3代谢当量（METs）的HR数据应用个体VO2/HR校准。PAR揭示了1周内睡眠、中度、剧烈和极剧烈活动所花费的时间，轻度活动时间通过差值确定。减重前，以与DLW的百分比差异表示的平均TDEE值，HR法为 - 5.2±10.8%，PAR法为3.4±14.4%；节食期间，HR法为 + 0.9±14.1%，PAR法为 + 0.9±14.7%。HR（ - 24.0至 + 25.6%）和PAR（ - 27.4至 + 36.2%）的个体变异性都很高。减重前通过DLW、HR和PAR测得的体力活动能量消耗分别为3.97±1.23兆焦/天、3.91±0.90兆焦/天和4.79±0.95兆焦/天。减重期间，DLW、HR和PAR测得的体力活动值分别为4.31±1.18兆焦/天、4.84±2.22兆焦/天和4.64±1.06兆焦/天。（摘要截选至250字）
