Research Article
Does Playground Improvement Increase Physical Activity among Children? A Quasi-Experimental Study of a Natural Experiment
Table 2
Children engaged in MVPA in playground in Intervention Park A and Comparison Park B, preand post intervention, expressed as mean number of children engaged in MVPA per 2-hour observation period.
| |||||||||||||||||||||||||||||||||||||||||||||||||
Note: Data included observations from scans performed every 30 minutes during three 2-hour periods on 5 weekdays and 2 weekend days; = 84 scans for Park A and Park B (preintervention), and 80 for Park B postintervention. *In Park A at followup, three scan areas included play equipment; these three scans were combined as one for comparison purposes. Means were compared via generalized linear model, with significance set at < 0.05. aA significant difference was found between parks. bA significant difference was found between pre and postintervention MVPA for girls in Park A. |