儿童青少年体力活动量表信效度评价

李潮; 徐斐; 叶青; 储文杰; 秦真真; 王志勇; 沈洪兵

doi:10.16462/j.cnki.zhjbkz.2019.02.010

儿童青少年体力活动量表信效度评价

doi: 10.16462/j.cnki.zhjbkz.2019.02.010

1.
211166 南京医科大学公共卫生学院流行病学系
2.
210003 南京市疾病预防控制中心慢病防制科
3.
310000 浙江医院医院感染管理科

基金项目:

2012年度南京市重点医学科技发展基金 ZDX12019

详细信息

通讯作者:
沈洪兵, E-mail: hbshen@njmu.edu.cn

中图分类号: R181.22
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出版历程
- 收稿日期: 2018-05-09
- 修回日期: 2018-10-28
- 刊出日期: 2019-02-10

Evaluation of an item-specific physical activity scale for Chinese children and adolescents(I-PASCA)

1.
School of Public Health, Nanjing Medical University, Nanjing 211166, China
2.
Nanjing Municipal Center for Disease Control and Prevention, Nanjing 210003, China
3.
Zhejiang Hospital, Hangzhou 310000, China

Funds:

Nanjing Key Medical Science and Technology Development Fund in 2012 ZDX12019

More Information

Corresponding author: SHEN Hong-bin, E-mail: hbshen@njmu.edu.cn

摘要

摘要: 目的评价我国儿童青少年专用体力活动量表的信效度，为在儿童及青少年人群中开展体力活动流行病学调查提供可靠的测量和评价工具。方法通过分层整群抽样，于2013年和2016年抽取南京市小学四年级至高中三年级的学生作为研究对象，采用体力活动日记和加速度计对量表进行信效度验证。依据中高强度体力活动时间，使用Cronbach α系数评价量表信度，采用Spearman相关系数和Bland-Altman图评价量表效度。结果使用体力活动日记进行验证的有效人数为815人，量表所测量的中高强度体力活动的Cronbach α系数为0.73，量表与体力活动日记测量值的相关系数为0.59。Bland-Altman一致性分析显示量表与体力活动日记对中高强度体力活动测量结果的一致性为95.8%。使用加速度计进行验证的有效人数为624人，Cronbach α系数分别为0.72，量表与加速度计测量值的相关系数为0.36。Bland-Altman分析显示量表与体力活动日记对中高强度体力活动测量结果的一致性为95.5%。结论该儿童青少年体力活动量表信效度良好，可用于人群水平的儿童青少年人群体力活动相关的流行病学研究。
- 青少年 /
- 量表 /
- 体力活动 /
- 信度 /
- 效度 /
Abstract: Objective To evaluate the validity and reliability of an item-specific physical activity scale for Chinese children and adolescents(I-PASCA). Methods Students from Grade 4-12 in Nanjing were randomly selected using a multi-stage sampling approach, 7-days physical activity (PA) level was recorded by self-reported I-PASCA and PA log and were objectively measured with accelerometers. The total moderate and vigorous PA (MVPA) time was calculated. Cronbach α was calculated to estimate the reliability of I-PASCA. Pearson correlation coefficient and Bland-Altman were used to examine I-PASCA's validity. Results There were 815 students recruited in 2013 to evaluate the reliability and validity of I-PASCA using PA log. Cronbach α for I-PASCA was 0.73 regarding moderate and vigorous PA (MVPA). The Spearman correlation coefficients of the values of PA recorded by I-PASCA and PA log were 0.59 for MVPA, and the Bland-Altman coefficient was 95.8% for MVPA. 624 students were involved to examine the reliability and validity of I-PASCA using accelerometers. Cronbach α for I-PASCA was 0.72 regarding MVPA. The Spearman correlation coefficient was 0.36 for MVPA, while the Bland-Altman coefficient was 95.5% for MVPA. Conclusions The I-PASCA, the first physical activity questionnaire specific to Chinese children and adolescents, shows acceptable reliability and validity and can be used to evaluate Chinese students' physical activity level in population-based studies.
- Adolescents /
- Children /
- Physical activity /
- Scale /
- Reliability /
- Validity

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图 1 两种方法MVPA时间的Bland-Altman图

Figure 1. Bland-Altman picture of moderate intensity physical activity between two-methods

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图 2 两种方法MVPA时间的Bland-Altman图

Figure 2. Bland-Altman picture of moderate intensity physical activity between two-methods

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表 1 儿童体力活动量表的效度

Table 1. Validity of an Item-specific Physical Activity Scale for Chinese Children and Adolescents(I-PASCA)

变量	MVPA	P值
体力活动日记
总体效度系数	0.59	0.005
男生组效度系数	0.57	0.032
女生组效度系数	0.61	<0.001
加速度计
总体效度系数	0.36	<0.001
男生组效度系数	0.32	0.018
女生组效度系数	0.36	<0.001

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表 2 量表与日记、加速度计测量绝对差值

Table 2. The absolute difference between I-PASCA to PA log and accelerometers

类别	差值(min/d)	P值
I-PASCA量表与日记测量值	-3.26	0.021
I-PASCA量表与加速度计	16.50	<0.001

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