Table 2 

Odds ratios (OR) and 95% confidence intervals (CI) for engaging in sports activities at least three times a week 

Model 1: Demographics 
Model 2: Perceived environment (N = 654) 
Model 3: Objective environment (N = 654) 



OR [95% CI] 
OR [95% CI] 
OR [95% CI] 

Gender (referent = male) 
0.30 [0.210.42] 
0.27 [0.190.38] 
0.28 [0.200.40] 
Age 
0.81 [0.710.94] 
0.78 [0.680.91] 
0.82 [0.700.95] 
Ethnicity (referent = Western) 
1.01 [0.721.42] 
1.08 [0.761.53] 
1.13 [0.761.67] 
Educational level (referent = high) 
1.06 [0.761.48] 
1.08 [0.771.53] 
1.04 [0.731.48] 
Environment 

Parks^{a, b} 
1.13 [0.761.67] 
1.06 [0.831.35] 

Sports facilities^{a, b} 
1.73 [1.162.56] 
0.98 [0.961.01] 

Bicycle lanes^{a, c} 
1.08 [0.761.54] 
1.15 [0.781.70] 

Sidewalks^{a, c} 
1.08 [0.532.21] 
0.99 [0.961.03] 



^{a }For perceived environment, reference is "not available;" ^{b }for objective environment, the number counted within a radius of 1500 meters; ^{c }for objective environment, the percentage of neighborhood land area. Models 2 and 3 are independent of each other. Bold values are significant. 

Prins et al. International Journal of Behavioral Nutrition and Physical Activity 2009 6:70 doi:10.1186/14795868670 