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Table 2 Descriptive statistics and reliability indices

From: Observations of playground play during elementary school recess

OPP play domain

Total

Boys

Girls

Intervention

Non-intervention

Inter-rater reliability

Playing on equipment

11.38%

10.51%

12.25%

14.15%++

9.09%

ICC = .986

Organized sports and activities

26.54%

41.60%+

11.48%

26.61%

26.48%

ICC = .965

Active and chase games

14.51%

12.91%+

16.11%

15.14%

13.98%

ICC = .969

Traditional playground games

15.74%

14.10%+

17.39%

20.72%++

11.61%

ICC = .939

Nature

1.38%

1.14%

1.63%

1.70%

1.12%

ICC =.999

Rough and tumble play

1.27%

1.00%

1.61%

1.07%

1.43%

ICC = .972

Anti-social behavior

1.72%

1.78%

1.67%

1.17%++

2.18%

ICC = .999

Non-engagement in active play

27.49%

17.06%+

37.92%

19.40%++

34.20%

ICC = .976

  1. +Significant difference between boys and girls
  2. ++Significant differences between intervention and non-intervention