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采用自身对照设计,比较心率监测和活动记录日记(PAD)二种方法估测全天能量消耗的差异。结果表明,二种方法没有显著相关(r=0.138,P>0.05),配对t检验有显著差异P<0.001。其中个体差异对PAD影响较为显著。用体表面积、去脂体重和基础代谢率对PAD进行标化后,则提高了与心率监测的相关性,相关系数分别为0.47,0.45和0.40(P均小于0.001),且配对t检验后二者与心率监测结果没有显著差异(P>0.05)。
A self-controlled design comparing heart rate monitoring and activity diary (PAD) was used to assess differences in energy expenditure throughout the day. The results showed that there was no significant correlation between the two methods (r = 0.138, P> 0.05), paired t test was significantly different P <0.001. Which individual differences on PAD more significant. After calibration of PAD with body surface area, lean body mass and basal metabolic rate, the correlations with heart rate monitoring were improved with correlation coefficients of 0.47, 0.45 and 0.40, respectively (P <0.001), and paired t-test There was no significant difference between the heart rate monitoring results (P> 0.05).