Carson Valerie, Langlois Kellie, Colley Rachel
Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, Alberta.
Health Analysis Division, Statistics Canada, Ottawa, Ontario.
Health Rep. 2020 Feb 19;31(2):3-10. doi: 10.25318/82-003-x202000200001-eng.
Parents are central to healthy development in early childhood. Study objectives were to examine the associations between parent and child sedentary behaviour and physical activity in a large representative sample of Canadian 3-5-year-olds, and to determine if associations differed between sons and daughters and mothers and fathers.
Participants were 1,116 children aged 3-5 years and one of their biological parents from cycles 2-5 (2009-2017) of the repeated cross-sectional Canadian Health Measures Survey. Sedentary time, light-intensity physical activity (LPA), and moderate- to vigorous-intensity physical activity (MVPA) were objectively-measured in both parents and children with Actical accelerometers. Average minutes/day for all valid days, valid weekdays, and valid weekend days (n=935) were calculated. Screen time of both parents and children was parent-reported, and average hours/day were calculated. Pearson correlations and linear regression models with interaction terms were conducted.
In the overall sample, all of the parental physical activity and sedentary behaviours were significantly correlated with children's behaviours (r=0.08-0.20). No significant parental or child sex interactions were observed in linear regression models so models were not stratified by parent or child sex. Significant associations with small effect sizes were observed between all of the parental behaviours and children's behaviours. For accelerometer data this was consistent for total days, weekdays, and weekend days.
Parental sedentary behaviour and physical activity may be intervention targets in early childhood. This appears consistent regardless of the sex of the parent or child. Given the small effect sizes observed, additional intervention targets should also be considered.
父母对幼儿的健康发展至关重要。本研究的目的是在加拿大3至5岁儿童的大型代表性样本中，研究父母与孩子久坐行为和身体活动之间的关联，并确定儿子与女儿以及母亲与父亲之间的关联是否存在差异。
参与者为1116名3至5岁的儿童及其亲生父母之一，来自加拿大健康测量重复横断面调查的第2至5轮（2009 - 2017年）。使用Actical加速度计客观测量父母和孩子的久坐时间、轻度身体活动（LPA）和中度至剧烈身体活动（MVPA）。计算所有有效日、有效工作日和有效周末日（n = 935）的平均每日分钟数。父母和孩子的屏幕时间由父母报告，并计算平均每日小时数。进行了Pearson相关性分析和带有交互项的线性回归模型分析。
在总体样本中，所有父母的身体活动和久坐行为均与孩子的行为显著相关（r = 0.08 - 0.20）。在线性回归模型中未观察到显著的父母或孩子性别交互作用，因此模型未按父母或孩子性别分层。在所有父母行为与孩子行为之间观察到具有小效应量的显著关联。对于加速度计数据，在总天数、工作日和周末日都是一致的。
父母的久坐行为和身体活动可能是幼儿期的干预目标。无论父母或孩子的性别如何，情况似乎都是如此。鉴于观察到的效应量较小，还应考虑其他干预目标。
