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Table 5 Clustered linear regressions* between the proportion moderately to vigorously active and playground attribute

From: Features and amenities of school playgrounds: A direct observation study of utilization and physical activity levels outside of school time

  Proportion Active (MVPA), Beta Coefficients (95% CI)
Playground Attributes Adults N = 61 Girls N = 87 Boys N = 99
Total unique types of play equipment -0.04 (-0.15, 0.07) -0.002 (-0.088, 0.084) 0.07 (-0.01, 0.14)
Total # of play features 0.008 (-0.000, 0.000) 0.003 (-0.003, 0.009) 0.001 (-0.005, 0.007)
Overall condition 0.23 (-0.13, 0.58) 0.07 (-0.04, 0.18) 0.07 (-0.12, 0.26)
Overall cleanliness -0.04 (-0.31, 0.24) -0.05 (-0.20, 0.09) 0.05 (-0.15, 0.25)
Overall quality -0.003 (-0.672, 0.665) 0.13 (-0.12, 0.37) 0.12 (-0.26, 0.49)
Overall safety 0.36 (-0.53, 1.26) 0.21 (-0.30, 0.72) -0.48 (-0.88, -0.07)
Presence of benches 0.16 (-0.15, 0.47) -0.03 (-0.18, 0.11) 0.12 (0.01, 0.24)
Presence of trash cans 0.10 (-0.12, 0.32) -0.01 (-0.12, 0.10) -0.02 (-0.15, 0.11)
Coverage/shade for resting features 0.06 (-0.06, 0.18) 0.02 (-0.05, 0.10) 0.07 (0.01, 0.12)
  1. Significant results (p <.05) represented in bold.
  2. *Adjusted for the population of children 17 and under in the census tract of the school, total number of free recreational centers & pools within a .75 mile network distance of schoolyards, count of parks within a .75 mile network distance of schoolyards and schoolyard renovation status
  3. MVPA = Moderate-to-Vigorous Physical Activity. CI = Confidence Interval.