Table 2

Data sources for school neighborhood characterization.

Items
Factors
Spatial Unit
Data Sources

Neighborhood Unit
School attendance boundary
School
CPS (Chicago Public School Board) http://www.cps.k12.il.us/schools webcite
Health Outcome
BMI
School
CLOCC(Consortium to Lower Obesity in Chicago Children) http://www.clocc.net webcite

Land use
Patch of various sizes
NIPC (Northern Illinois Planning Commission) http://www.nipc.org webcite

AADT(Average Annual Daily Traffic)
Street segment
IDOT(Illinois Department of Transportation) http://www.dot.state.il.us webcite
Built Environment
Public park, playground
Patch of various sizes
Chicago Department of Information and Business Service http://www.cityofchicago.org webcite

Bike routes
Line


Subway stations
Point


Violent crime rate
Community area
Chicago Police Department http://www.cityofchicago.org webcite
Social Environment
Student race/ethnicity
School
CPS http://www.cps.k12.il.us/schools webcite

Sociodemographics
Block/tract
US Census 2000 http://www.census.gov webcite

Zhang et al. International Journal of Health Geographics 2006 5:14   doi:10.1186/1476-072X-5-14

Open Data