Table 2 Average number of persons per scan and proportion moderately to vigorously active across twenty schoolyards
| Â | Number of observations | Number of observations with 0 persons | Mean (SD) |
|---|---|---|---|
Avg. # of persons | Â | Â | Â |
   Adults | 200 | 139 | 0.40 (1.10) |
   Girls | 200 | 113 | 0.90 (2.41) |
   Boys | 200 | 101 | 1.24 (2.86) |
Proportion MVPA | Â | Â | Â |
   Adults | 61 | -- | 0.40 (0.41) |
   Girls | 87 | -- | 0.49 (0.33) |
   Boys | 99 | -- | 0.60 (0.34) |