Risks and Benefits of Green Spaces for Children: A Cross-Sectional Study of Associations with Sedentary Behavior, Obesity, Asthma, and Allergy

http://dx.doi.org/10.1289/ehp.1308038



Table 2. Unadjusted and adjusted ORs (95% CIs) for dichotomous outcomes and regression coefficients (95% CI) for BMI z-scores associated with 1 IQR increasea in average NDVI across different buffers around participants’ home addresses, Sabadell, 2006 (= 3,178).
Outcome 100-m buffer 250-m buffer 500-m buffer 1,000-m buffer
a0.076 for 100-m buffer, 0.105 for 250-m buffer, 0.120 for 500-m buffer, and 0.097 for 1,000-m buffer. bAdjusted for child’s sex and age, exposure to environmental tobacco smoke at home, having older siblings, type of school (public vs. private), parental education, and parental history of asthma. cAdjusted for child’s sex and age, parental education, type of school, and having siblings. dAdjusted for parental education, type of school, sport activity, and having siblings. *p < 0.10. **p < 0.05.
Current asthma        
Unadjusted 1.03 (0.87, 1.22) 1.04 (0.84, 1.29) 1.05 (0.84, 1.33) 1.04 (0.86, 1.27)
Adjustedb 1.00 (0.82, 1.21) 1.00 (0.78, 1.27) 1.03 (0.79, 1.34) 1.06 (0.85, 1.32)
Current allergic rhinoconjunctivitis        
Unadjusted 0.98 (0.89, 1.08) 1.01 (0.90, 1.14) 1.06 (0.93, 1.21) 1.07 (0.96, 1.19)
Adjustedb 0.97 (0.88, 1.08) 0.98 (0.87, 1.12) 1.03 (0.90, 1.18) 1.05 (0.94, 1.18)
Excessive screen time        
Unadjusted 0.86 (0.78, 0.94)** 0.88 (0.78, 0.99)** 0.91 (0.79, 1.03) 0.94 (0.84, 1.05)
Adjustedc 0.85 (0.77, 0.93)** 0.84 (0.75, 0.94)** 0.85 (0.74, 0.97)** 0.89 (0.79, 1.00)**
Overweight/obesity        
Unadjusted 0.87 (0.78, 0.96)** 0.90 (0.79, 1.02)* 0.97 (0.85, 1.11) 1.00 (0.89, 1.12)
Adjustedd 0.83 (0.75, 0.93)** 0.81 (0.71, 0.92)** 0.83 (0.72, 0.95)** 0.87 (0.78, 0.98)**
BMI z-scores        
Unadjusted –0.04 (–0.09, 0.01)* –0.02 (–0.08, 0.04) 0.03 (–0.04, 0.09) 0.04 (–0.02, 0.10)
Adjustedd –0.05 (–0.10, 0.00)** –0.05 (–0.12, 0.01)* –0.03 (–0.10, 0.04) –0.01 (–0.07, 0.05)