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Table 1 Case characteristics regarding the study target group; middle and senior block students

From: Activating schoolyards: study design of a quasi-experimental schoolyard intervention study

Case Geographical area School type No. on roll Parents income range* Share with a non-Danish ethnicity (%) Size of school-yard (m2) Size of school-yard per child (m2) No. of play facilities Recess periods + duration (min.) No. of duty teachers Outdoor recess policy Mobile phone during recess Recess PA initiatives
1 Region Zealand Urban 457 - 20 6888 15 15 20 3 No Yes Play patrol***
30
5
2** Capital Region Urban 174 < Average income 25 3902 22 15 20 4 No Yes Play patrol
30
5
Capital Region Urban 424 < Average income 14 6767 16 15 15 4 Yes (middle block during summer) Yes  
40
10
3 Region North Rural 418 > Average income 0 59333 142 16 20 4 Yes (middle block) Yes  
30
4 Region North Urban 406 > Average income 14 33415 82 20 30 5 Yes (middle block) Yes Play patrol Sports hall use
30
5
5
5 Central Denmark Rural 186 < Average income 1 13311 72 11 30 2 No Yes Teacher initiated activities
25
10
6 Southern Denmark Rural 59 > Average income 3 26314 120 27 10 4 Yes No Play patrol Sports hall use
40
25
7 Region Zealand Rural 45 > Average income 0 6747 73 13 15 2 Yes Yes Play patrol
40
5
  1. *Published data from Statistics Denmark. One school is not included why it has been merged after the calculation
  2. **Case = the project school. Case 2 includes two schools
  3. ***Play patrol = middle block students educated to activate junior students with structured games (voluntary participation)