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Table 3 Clustered negative binomial regressions* between playground attributes and number of persons by renovation status

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

 

Utilization, IRRs (95% CI)

 

Renovated (N = 100)

Unrenovated (N = 100)

Playground Attributes

Adults

Girls

Boys

Adults

Girls

Boys

Total unique types of play equipment

1.31 (0.60, 2.87)

0.74 (0.30, 1.81)

0.81 (0.44, 1.49)

0.74 (0.53, 1.02)

1.01 (0.70, 1.46)

1.06 (0.79, 1.43)

Total # of play features

1.08 (1.07, 1.09)

1.07 (1.05, 1.09)

1.05 (1.03, 1.06)

0.99 (0.91, 1.07)

1.00 (0.94, 1.06)

1.01 (0.95, 1.07)

Overall condition

18.22 (0.66, 499.60)

22.64 (0.89, 575.46)

3.85 (0.50, 29.50)

0.58 (0.31, 1.08)

0.65 (0.33, 1.29)

0.83 (0.41, 1.68)

Overall cleanliness

0.74 (0.24, 2.29)

0.24 (0.09, 0.65)

0.54 (0.29, 0.99)

1.38 (0.51, 3.75)

0.94 (0.40, 2.22)

0.51 (0.30, 0.87)

Overall quality

0.32 (0.02, 4.60)

0.19 (0.005, 7.71)

0.18 (0.02, 1.47)

0.36 (0.04, 3.10)

0.22 (0.06, 0.79)

0.43 (0.17, 1.06)

Overall safety

0.56 (0.01, 48.42)

18.73 (0.23, 1498.0)

2.74 (0.20, 37.28)

0.41 (0.12, 1.44)

5.33 (0.63, 45.35)

3.77 (1.51, 9.40)

Presence of benches

3.64 (0.79, 16.67)

1.81 (0.30, 10.85)

2.08 (0.66, 6.61)

0.41 (0.04, 4.19)

0.26 (0.07, 0.94)

0.28 (0.08, 1.04)

Presence of trash cans

3.31 (0.81, 13.50)

2.62 (0.59, 11.71)

2.23 (0.88, 5.68)

0.34 (0.10, 1.09)

1.11 (0.55, 2.22)

1.80 (1.16, 2.77)

Coverage/shade for resting features

2.89 (1.79, 4.64)

1.80 (0.93, 3.48)

1.83 (1.21, 2.76)

0.62 (0.26, 1.48)

0.75 (0.35, 1.58)

0.82 (0.45, 1.49)

  1. Significant results (p <.05) represented in bold.
  2. *Adjusted for a count of parks within a .75 mile network distance of schoolyards, the population of children 17 and under in the census tract of the school, and the enrollment in the school.
  3. IRR = Incident Rate Ratio. CI = Confidence Interval.