Folkhälsan Research Center, Helsinki, Finland.
Department of Food and Nutrition, University of Helsinki, Helsinki, Finland.
BMC Public Health. 2019 Dec 3;19(1):1618. doi: 10.1186/s12889-019-7967-7.
Recent 24-h movement guidelines for the early years established recommendations for physical activity (PA), screen time (ST), and sleep. To date, few studies have focused on compliance with meeting the guidelines and their associations with health outcomes. Thus, we aimed to investigate: 1) compliance with the 24-h movement guidelines, and 2) associations between compliance and anthropometry in Finnish preschoolers.
We utilized DAGIS survey data that were collected in 2015-2016 (N = 864). PA was assessed 24 h/day over 7 days using a waist-worn ActiGraph wGT3X-BT accelerometer. ST and sleep were reported by the parents during the same 7 days. Anthropometry was assessed using body mass index (BMI, kg/m) and waist circumference (WC, cm). Children were classified as meeting the guidelines if they averaged ≥180 min/day of PA, which consisted of ≥60 min of moderate-to-vigorous intensity; ≤60 min/day of ST; and 10-13 h/day of sleep. In total, 778 children (51% boys, mean age: 4.7 ± 0.9 years) were included in the study. The compliance with meeting the 24-h movement guidelines was calculated for each behavior separately and in combinations. Adjusted linear regression analyses were applied to examine associations of compliance with BMI and WC.
Children were physically active on average 390 (±46.2) min/day and spent 86 (±25.5) min/day in moderate-to-vigorous PA. They spent 76 (±37.4) min/day on ST and had on average 10:21 (±0:33) h:min/day of sleep. The compliance rate in meeting all three movement guidelines overall was 24%. The highest compliance rate was found for PA (85%), followed by sleep (76%) and ST (35%). Meeting guidelines separately for PA or sleep, or for both, were associated with lower WC (PA: B = -1.37, p < 0.001; Sleep: B = -0.72, p = 0.009; PA + Sleep: B = -1.03, p < 0.001). In addition, meeting guidelines for sleep or for both PA and sleep were associated with lower BMI (Sleep: B = -0.26, p = 0.027; PA + Sleep: B = -0.30, p = 0.007). There were no significant associations found regarding ST.
Meeting recommendations for PA and sleep may have an important role in supporting a healthy weight status in young children. However, there is still a need to improve compliance with the 24-h movement guidelines, especially for ST.
最近的幼儿 24 小时活动指南为身体活动（PA）、屏幕时间（ST）和睡眠制定了建议。迄今为止，很少有研究关注符合指南的情况及其与健康结果的关系。因此，我们旨在调查：1）遵守 24 小时活动指南的情况，以及 2）遵守情况与芬兰学龄前儿童人体测量学之间的关系。
我们利用了 2015-2016 年 DAGIS 调查数据（N=864）。使用佩戴在腰部的 ActiGraph wGT3X-BT 加速度计在 7 天内 24 小时/天评估 PA。ST 和睡眠由父母在同 7 天内报告。使用体重指数（BMI，kg/m）和腰围（WC，cm）评估人体测量学。如果儿童平均每天进行≥180 分钟的 PA，其中包括≥60 分钟的中等到剧烈强度活动；每天 ST 时间≤60 分钟；并且每天睡眠时间为 10-13 小时，则被归类为符合指南。共有 778 名儿童（51%为男孩，平均年龄：4.7±0.9 岁）纳入研究。分别计算了每种行为和组合达到 24 小时活动指南的符合率。采用调整后的线性回归分析来检验符合率与 BMI 和 WC 的关系。
儿童平均每天进行 390（±46.2）分钟的 PA，进行 86（±25.5）分钟的中等到剧烈强度 PA。他们每天花费 76（±37.4）分钟的时间进行 ST，平均每天的睡眠时间为 10:21（±0:33）小时：分钟。总体而言，完全遵守所有三项活动指南的符合率为 24%。PA 的符合率最高（85%），其次是睡眠（76%）和 ST（35%）。单独或同时满足 PA 或睡眠的指南与较低的 WC 相关（PA：B=-1.37，p<0.001；睡眠：B=-0.72，p=0.009；PA+睡眠：B=-1.03，p<0.001）。此外，满足睡眠或 PA 和睡眠的指南与较低的 BMI 相关（睡眠：B=-0.26，p=0.027；PA+睡眠：B=-0.30，p=0.007）。ST 没有发现显著关联。
满足 PA 和睡眠的建议可能对支持幼儿的健康体重状态具有重要作用。然而，仍然需要提高对 24 小时活动指南的遵守率，特别是 ST。
