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Table 1 Descriptive statistics of the study sample (2004)

From: The neighborhood social environment and body mass index among youth: a mediation analysis

Demographics Mean (SD),%
N 544
Age (years), mean (SD) 12.6 (2.6)
Sex (boys)% 47.2
Maternal education  
Low (%) 22.6
Medium (%) 33.8
High (%) 43.6
BMI 2004, mean (SD) 20.5 (3.99)
Weight status 2004  
Healthy weight (%) 72.4
Overweight (%) 20.8
Obese (%) 6.8
Sedentary behaviors  
Screen-time (mins/day), mean (SD) 179.9 (98.1)
Percentage of outside-school hours sedentary time, mean (SD) 21.8 (5.2)
Physically active behaviors  
Time spent outdoors (mins/day), mean (SD) 99.9 (61.4)
Percentage of outside-school hours MVPA, mean (SD) 5.5 (3.5)
Number of walking/cycling trips/week, mean (SD) 16.0 (18.0)
Neighborhood social environment variables*  
Social network score (range 1-5), mean (SD) 3.5 (0.9)
Social trust/cohesion score (range 1-5), mean (SD) 3.6 (0.7)
  1. * Higher score indicates better social networks or social cohesion, respectively