The 24-h movement behaviours composition is associated with parasympathetic modulation in preschoolers

IF 1.8 4区医学 Q2 PEDIATRICS Child Care Health and Development Pub Date : 2024-05-09 DOI:10.1111/cch.13263

Maria Luiza Pessoa, Cain Clark, Alesandra Souza, Fábio Nakamura, Maria do Socorro Brasileiro-Santos, André Ribeiro, Diego Cristofaro, Clarice Martins

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Abstract

Aim

To investigate the associations between 24-h movement behaviours and heart rate variability (HRV) in preschool children.

Methods

A total of 123 preschoolers (4.52 ± 0.25 years old; 62 girls) were assessed for physical activity (PA) and sedentary behaviour (SB) using an accelerometer (Actigraph WGT3x). Sleep duration (SD) was parent-reported. Children were laid down in a supine position for 10 min to assess HRV data. The R–R intervals recorded during the last 5 min of this period were analysed. We conducted compositional analysis in R studio, and the significance level was 95%. All ethical procedures were followed, and the study had the approval of the local ethical board.

Results

When considered as a composition, adjusted for age, body mass index and sex, the 24-h movement composition (PA, SB and SD) significantly predicted better parasympathetic modulation (Root mean square of the successive differences [RMSSD] [p = 0.04; r² = 0.13]), but not high frequency (HF) (nu) (p = 0.51, r² = 0.01), low frequency (nu) (p = 0.52, r² = 0.02),or standard deviation (standard deviation of normal-to-normal intervals) (p = 0.55, r² = 0.02), respectively.

Conclusion

These results suggest the 24-h movement composition predicted the RMSSD time-domain index related to parasympathetic activity.

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学龄前儿童的 24 小时运动行为构成与副交感神经调节有关

目的研究学龄前儿童 24 小时运动行为与心率变异性（HRV）之间的关系。方法使用加速度计（Actigraph WGT3x）对 123 名学龄前儿童（4.52 ± 0.25 岁；62 名女孩）的体力活动（PA）和久坐行为（SB）进行评估。睡眠时间（SD）由家长报告。让儿童仰卧 10 分钟，以评估心率变异数据。对这一期间最后 5 分钟记录的 R-R 间期进行分析。我们在 R studio 中进行了成分分析，显著性水平为 95%。我们遵守了所有伦理程序，并获得了当地伦理委员会的批准。结果如果将 24 小时的运动组成（PA、SB 和 SD）视为一种组成，并对年龄、体重指数和性别进行调整，则可显著预测更好的副交感神经调节（连续差异的均方根[RMSSD] [p = 0.04；r2 = 0.13]），而不是高频率（HF）（nu）（p = 0.51，r2 = 0.01）、低频率（nu）（p = 0.52，r2 = 0.02）或标准偏差（正常至正常间隔的标准偏差）（p = 0.55，r2 = 0.02）。结论这些结果表明，24 小时运动组成可预测与副交感神经活动相关的 RMSSD 时域指数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Child Care Health and Development 医学-小儿科

CiteScore

3.40

自引率

5.30%

发文量

136

审稿时长

4-8 weeks

期刊介绍： Child: care, health and development is an international, peer-reviewed journal which publishes papers dealing with all aspects of the health and development of children and young people. We aim to attract quantitative and qualitative research papers relevant to people from all disciplines working in child health. We welcome studies which examine the effects of social and environmental factors on health and development as well as those dealing with clinical issues, the organization of services and health policy. We particularly encourage the submission of studies related to those who are disadvantaged by physical, developmental, emotional and social problems. The journal also aims to collate important research findings and to provide a forum for discussion of global child health issues.