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Table 4 Kappa statistics and % agreement between perceived and objective environmental measures and odds ratios for perceiving availability of facilities

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

Facility Kappa % Agreement % Over-reporting % Under-reporting OR [95% CI] c
Parksa 0.045 62.3 19.6 18.2 1.51 [1.18-1.93]
Sports facilitiesa -0.004 73.0 0.6 26.5 0.99 [0.97-1.01]
Sidewalksb -0.005 53.8 43.0 3.2 1.02 [0.97-1.08]
Bicycle lanesb 0.053 54.1 18.3 27.5 1.40 [0.98-1.99]
  1. a For objective environment, the number counted within a radius of 1500 meters; b for objective environment, the percentage of neighborhood land area. Bold values are significant; c associations perceived environment with objective environment