Skip to main content
. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Health Place. 2007 Sep 21;14(3):453–467. doi: 10.1016/j.healthplace.2007.09.004

TABLE 1.

Comparison of neighborhood definitions

Neighborhood Number of areas with study participants Mean (range) number of participants per area ICC for MI status 95% CI
One-kilometer buffer 2,360 1* N/A N/A
Census block group 1,446 2 (1 to 9) 0.095 0.026, 0.164
Census tract 651 4 (1 to 17) 0.058 0.020, 0.097
ZIP code 151 16 (1 to 55) 0.013 0.000, 0.031
*

Each participant was within their own one-kilometer buffer, but these buffers were allowed to overlap

Notes: ICC indicates intraclass correlation coefficient; MI indicates myocardial infarction; CI indicates confidence interval