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Table 2 Data sources for school neighborhood characterization.

From: Identification of contrastive and comparable school neighborhoods for childhood obesity and physical activity research

Items Factors Spatial Unit Data Sources
Neighborhood Unit School attendance boundary School CPS (Chicago Public School Board) http://www.cps.k12.il.us/schools
Health Outcome BMI School CLOCC(Consortium to Lower Obesity in Chicago Children) http://www.clocc.net
  Land use Patch of various sizes NIPC (Northern Illinois Planning Commission) http://www.nipc.org
  AADT(Average Annual Daily Traffic) Street segment IDOT(Illinois Department of Transportation) http://www.dot.state.il.us
Built Environment Public park, playground Patch of various sizes Chicago Department of Information and Business Service http://www.cityofchicago.org
  Bike routes Line  
  Subway stations Point  
  Violent crime rate Community area Chicago Police Department http://www.cityofchicago.org
Social Environment Student race/ethnicity School CPS http://www.cps.k12.il.us/schools
  Sociodemographics Block/tract US Census 2000 http://www.census.gov