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Table 1 Description of the final sample

From: Objective and perceived availability of physical activity opportunities: differences in associations with physical activity behavior among urban adolescents

N 654
Male (%) 48.9
Average age (SD) 14.1 (+/- 1.2)
Western ethnic background (%) 41.1
Educational level  
   Vocational education (%) 53.8
   Senior general secondary education (%) 46.2
Engaging in sports at least three times a week (%) 62.2
Engaging in walking and cycling during leisure time at least 30 minutes a day (%) 80.3
Perceived environment  
Parks available (% yes) 73.5
Sports facilities available (% yes) 73.4
Sidewalks available (% a lot) 94.3
Bicycle lanes available (% a lot) 35.5
Objective environment  
Availability of parksa (SD) 0.95 (+/- 0.8)
Availability of sports facilitiesa (SD) 14.7 (+/- 7.5)
Availability of sidewalksb (SD) 13.2 (+/- 5.8)
Availability of bicycle lanesb (SD) 1.1 (+/- 0.5)
  1. a Number within a radius of 1500 meters of a participants' home; b percentage of neighborhood land area