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Background: Limited previous research has contrasted physical activity (PA) patterns in preschool children across different hourly patterns or segments of day, or adopted similar methodologies to compare the PA behaviors of children from different countries. The purpose of this study was to examine how the PA levels and patterns differed between 3- year-olds within and between childcare and homecare days in Finland and Australia. Material/Methods: ActiGraph GT3X accelerometers were used to monitor 121 (80 Finnish, 41 Australian) children’s PA for five consecutive days. Results: No significant country differences were observed in children’s daily total PA (light-tovigorous PA [LMVPA]), except that during childcare days Finnish children spent more time in light PA compared to Australian children. During childcare attendance hours children engaged in moderate-to-vigorous PA (MVPA) for an average of 48 minutes (SD = 24) covering 54% of their daily MVPA in Finland, and for 53 minutes (SD = 34) covering 64% of their daily MVPA in Australia. Variation in children’s hour-by-hour PA was more pronounced during childcare days than homecare days. Conclusions: Despite the variations based on cultural practices, no major differences were observed in children’s daily total PA between the countries. However, these findings provide a better understanding of 3-year-olds’ PA behavior patterns and will serve as valuable evidence for the development of PA promotion in preschool children in both Finland and in Australia.
The effect of the cluster randomized Home- and childcare-based Intervention to Promote Physical Activity (HIPPA) intervention on the everyday physical activity (PA) of children between the ages of 4 to 5 years was evaluated. Fourteen childcare centers with 102 children born in 2007 and their families participated in the study. HIPPA was implemented over a single preschool year in seven childcare centers while seven other centers continued their normal care (control group, CG). The PA levels of children were assessed by accelerometers six times every six months during two and a half years of research. Valid PA data were obtained from 69 children at baseline and analyzed with a linear mixed model. Children in HIPPA engaged in more MVPA (moderate-to-vigorous PA) at post-intervention and more LMVPA (light-to-vigorous PA) at the six-month follow-up on weekdays than the CG did (estimated net effect: 13 min/day and 15 min/day, respectively). Sex-specific analyses indicated that the differences in weekday MVPA and LMVPA between groups were significant at follow-up among girls (estimated net effect: 15 min/day and 20 min/day, respectively), but not among boys. Overall, HIPPA was effective in increasing PA in childcare-aged children, especially in girls.
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