体力活动日记应用于中年人体力活动监测与评价的信效度研究

发布时间：2018-05-13 07:16

本文选题：体力活动日记 + 中年人　；参考：《北京体育大学》2015年硕士论文

【摘要】：研究目的：开发体力活动日记；评价体力活动日记应用于中年人群的可信度,探究体力活动日记特定信度要求下的最小记录天数；评价体力活动日记与Actigraph GT3X+加速度计在中年人体力活动各指标测量上的一致性和影响因素,制定体力活动日记对体力活动是否不足的评价标准。研究方法：在福州市某体检中心招募共105名当地居民作为受试对象,年龄在45-59岁之间,其中男性53名,女性52名。同时佩戴加速度计和记录体力活动日记7天时间,数据信度采用组内相关系数ICC分析,Spearman Brown预测公式推算信度要求0.7下的最小记录天数,两种测量方法一致性比较采用Bland-Altman图和Pearson相关系数计算,组间比较采用独立样本t检验,对体力活动达标率的比较采用Kappa检验,根据加速度计数据采用ROC曲线制定日记的体力活动评价标准。研究结果：1.体力活动日记各项指标任意两天的信度中等到良好,如果每天记录9小时以上,只需记录3天就可以使体力活动日记主观记录的各项指标信度达到0.7。2.每人每天静坐时间,低强度体力活动时间,累计和持续中等到较大强度体力活动时间,总能量消耗,MET rate两种测量方法的相关系数分别是0.29,0.32.0.40,0.40,0.47,0.23,统计学检验都有显著性。两种测量方法低强度体力活动时间一致性较好,其他指标则一般。3.女性在记录日记时对中等到较大强度活动时间的高估显著高于男性,而超重或肥胖的受试对象更容易高估低强度体力活动时间。4.采用国际体力活动问卷评价标准的体力活动日记与加速度计之间的Kappa系数为0.213,一致率较差。本研究采用ROC曲线分析认为体力活动日记平均每天中等到较大强度体力活动记录时间低于56.2min是体力活动不足的判断标准。结论：本研究开发的体力活动日记是一个有效可信的主观测量工具,填写任意3天的体力活动日记,每天时间不小于9小时就可以代表日常体力活动的主观记录,但提供绝对的体力活动数值还欠缺准确性。
[Abstract]:Objective: to develop physical activity diary, to evaluate the reliability of physical activity diary applied to middle-aged people, and to explore the minimum record days of physical activity diary under the requirement of specific reliability. To evaluate the consistency and influence factors of physical activity diary and Actigraph GT3X accelerometer in the measurement of physical activity of middle-aged people, and to establish the evaluation standard of physical activity whether the physical activity diary is insufficient or not. Methods: a total of 105 local residents aged between 45 and 59 were recruited from a physical examination center in Fuzhou, including 53 males and 52 females. At the same time, the accelerometer and the physical activity diary were worn for 7 days. The reliability of the data was calculated by using the Spearman Brown prediction formula using the intra-group correlation coefficient ICC analysis, and the minimum recorded days under the reliability requirement of 0.7 were calculated. The consistency of the two measuring methods was calculated by Bland-Altman diagram and Pearson correlation coefficient. The independent sample t test was used for the comparison between groups, and the Kappa test was used for the comparison of physical activity achievement rate. According to the accelerometer data, the ROC curve was used to establish the diary manual activity evaluation standard. The result of the study was: 1. The reliability of every index of physical activity diary in any two days was medium to good. If more than 9 hours a day was recorded, the reliability of the subjective record of physical activity diary could reach 0.7.2. The correlation coefficients of the two measuring methods of total energy consumption met rate were 0.29 ~ 0.32.0.40 ~ 0.400.400.400.40 / 0.400.70 / 0.23, respectively. There were significant differences between the two methods. The two measuring methods have good consistency in time of low intensity physical activity, while the other indexes are general. 3. Women overestimated the duration of moderate to high intensity activity significantly higher than men when keeping a diary, while subjects who were overweight or obese were more likely to overestimate the time of low intensity physical activity. 4. The Kappa coefficient between physical activity diary and accelerometer was 0.213, and the consistency rate was poor. In this study, the ROC curve analysis showed that the average recording time of physical activity from middle to high intensity was lower than that of 56.2min, which was the criterion to judge the deficiency of physical activity. Conclusion: the physical activity diary developed in this study is an effective and reliable subjective measurement tool. The physical activity diary for any 3 days can represent the subjective record of daily physical activity if the daily time is not less than 9 hours. But there is a lack of accuracy in providing absolute physical activity values.
【学位授予单位】：北京体育大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：R49

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