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Table 1 Description of size and geographic and economic resources of the 12 included schools

From: Are children participating in a quasi-experimental education outside the classroom intervention more physically active?

 

Range

Mean ± SD

Median

Number of students

226–2002

770 ± 439

710

Average household income in DKK

561,440–834,359

683,689 ± 78,100

662,640

Number of households within 10 km*

6567–609,486

138,042 ± 222,131

41,594

Distance (meters) to the nearest green space

45–737

325 ± 200

266

Square meters of green space within 10 km*

154,826–17,339,806

2,387,000 ± 4,811,834

718,485

Number of green spaces within 10 km*

8–53

26 ± 14

23

  1. Green space includes parks, woodlands, nature areas and heathlands registered in the official land use database of The Danish Geo-data Agency. *of the school