Verbestel Vera, Van Cauwenberghe Eveline, De Coen Valerie, Maes Lea, De Bourdeaudhuij Ilse, Cardon Greet
Dept. of Movement and Sports Sciences, Ghent University, Ghent, Belgium.
Pediatr Exerc Sci. 2011 Aug;23(3):366-78. doi: 10.1123/pes.23.3.366.
In this study, physical activity (PA) was objectively measured in 213 Belgian preschoolers (M(age) = 4.98, SD = .88 years) over 4 consecutive days including two weekend days. Within-day variability in PA showed a typical activity pattern during weekdays and weekend days. Weekdays clearly reflected a preschool attending day with more peaks and troughs than weekend days and after-school hours were characterized by a decrease in activity. Between-day variability in PA was identified in preschool girls above the age of four, suggesting that the lack of a structured preschool environment is already related with a decrease in PA in this sex-specific age group. The results of this study are informative for the development of future PA interventions and indicate that both the preschool and the home environment should be targeted in the promotion of preschoolers' PA.
在本研究中，对213名比利时学龄前儿童（年龄中位数 = 4.98，标准差 = 0.88岁）进行了连续4天（包括两个周末日）的客观身体活动测量。身体活动的日内变异性在工作日和周末日呈现出典型的活动模式。工作日明显反映出是上幼儿园的日子，其高峰和低谷比周末日更多，放学后时段的特点是活动减少。四岁以上的学龄前女童存在身体活动的日间变异性，这表明缺乏结构化的学前环境已与该特定性别年龄组的身体活动减少有关。本研究结果为未来身体活动干预措施的制定提供了参考，并表明在促进学龄前儿童身体活动方面，应同时针对幼儿园和家庭环境。
