幼儿通过设备测量的体育活动和久坐行为的发展趋势。

IF 5.6 1区 医学 Q1 NUTRITION & DIETETICS
Hayley E Christian, Emma K Adams, Hannah L Moore, Andrea Nathan, Kevin Murray, Jasper Schipperijn, Stewart G Trost
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引用次数: 0

摘要

背景:目前还缺乏有关达到特定年龄段 24 小时运动行为准则的发展趋势的知识。本研究描述了西澳大利亚州 2 至 7 岁儿童在三年时间内通过设备测量的体育活动和久坐时间的发展趋势,包括男孩和女孩之间的差异。研究还考察了儿童在转入全日制学校之前和之后达到特定年龄段体育活动指南要求的比例:研究使用了儿童体育活动的游戏空间和环境(PLAYCE)队列研究第 1 波和第 2 波的数据(分析 n = 1217)。通过加速度计测量了 2 至 5 岁(学龄前,第 1 波)和 5 至 7 岁(开始上全日制学校,第 2 波)儿童的体育活动和久坐时间。加速度计数据采用经过验证的机器学习体力活动分类模型进行处理。使用线性和广义线性混合效应模型分析了每天用于久坐行为、精力充沛游戏(中到剧烈运动(MVPA))、总体力活动和达到体力活动指南要求的时间,并加入了年龄与性别的交互项:结果:随着年龄的增长,所有运动行为都发生了显著变化,男孩和女孩的变化趋势相似。每天的总运动量从两岁增加到五岁,然后在七岁之前有所下降。从两岁到五岁,平均每天的总运动量超过 180 分钟。从两岁到七岁,每天精力充沛的游戏时间明显增加,但除了七岁的男孩外,其他年龄段的男孩每天精力充沛的游戏时间都低于 60 分钟。每天久坐不动的时间到五岁时有所减少,到七岁时有所增加,但仍低于两岁时的水平。所有两岁儿童的体育活动量都达到了特定年龄段的标准,四岁时女孩和男孩的这一比例分别下降到 5%和 6%。七岁时,46% 的男孩和 35% 的女孩达到了该年龄段的体力活动指导标准:结论:幼儿精力充沛的游戏和总体育活动量随着年龄的增长而增加,但 3 到 7 岁的儿童很少能达到精力充沛的游戏(MVPA)标准。干预措施应侧重于增加幼儿期儿童的活力游戏。需要更明确的指导和策略来支持幼儿的发展变化,以及从一个年龄段的运动指南过渡到下一个年龄段的运动指南。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Developmental trends in young children's device-measured physical activity and sedentary behaviour.

Background: Knowledge of developmental trends in meeting age-specific 24-hour movement behaviour guidelines is lacking. This study describes developmental trends in device-measured physical activity and sedentary time over a three-year period among Western Australian children aged two to seven years, including differences between boys and girls. The proportion of children meeting age-specific physical activity guidelines before and after they transition to full-time school was also examined.

Methods: Data from waves 1 and 2 of the Play Spaces and Environments for Children's Physical Activity (PLAYCE) cohort study were used (analysis n = 1217). Physical activity and sedentary time were measured by accelerometry at ages two to five (preschool, wave 1) and ages five to seven (commenced full-time school, wave 2). Accelerometer data were processed using a validated machine-learning physical activity classification model. Daily time spent in sedentary behaviour, energetic play (moderate-to-vigorous physical activity (MVPA)), total physical activity, and meeting physical activity guidelines were analysed using linear and generalised linear mixed-effects models with age by sex interaction terms.

Results: All movement behaviours changed significantly with increasing age, and trends were similar in boys and girls. Total daily physical activity increased from age two to five then declined to age seven. Mean daily total physical activity exceeded 180 min/day from ages two to five. Daily energetic play increased significantly from age two to seven, however, was below 60 min/day at all ages except for seven-year-old boys. Daily sedentary time decreased to age five then increased to age seven but remained lower than at age two. All two-year-olds met their age-specific physical activity guideline, decreasing to 5% of girls and 6% of boys at age four. At age seven, 46% of boys and 35% of girls met their age-specific physical activity guideline.

Conclusions: Young children's energetic play and total physical activity increased with age, but few children aged three to seven met the energetic play (MVPA) guideline. Interventions should focus on increasing children's energetic play in early childhood. Clearer guidance and strategies are needed to support young children as they change developmentally and as they transition from one age-specific movement guideline to the next.

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来源期刊
CiteScore
13.80
自引率
3.40%
发文量
138
审稿时长
4-8 weeks
期刊介绍: International Journal of Behavioral Nutrition and Physical Activity (IJBNPA) is an open access, peer-reviewed journal offering high quality articles, rapid publication and wide diffusion in the public domain. IJBNPA is devoted to furthering the understanding of the behavioral aspects of diet and physical activity and is unique in its inclusion of multiple levels of analysis, including populations, groups and individuals and its inclusion of epidemiology, and behavioral, theoretical and measurement research areas.
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