The Public Health Research Institute of Southern California is committed to identifying aspects of built environments that influence disease prevention and positive health behaviors of Americans.  The built environment  includes  urban planning that influence the retail environment, as well as the municipal planning that affects opportunities for phsical activity (such as the placement of  public parks and side walks). 

Average number of  built environment feature per 300 meter buffer zone by Black, White and Latino areas of Brooklyn, New York                                                    
Food Environment [mean, (SD)]                                  Transportation [mean,(SD)]                                               Physical Activity [mean,[SD])                         Neighborhood Infrastructure[mean,(SD)
Supermarket   1.0,( 1.1)   0.8,( 1.2)   1.2,( 1.2)             Bus Stop           12.0(5.1)   8.7(4.8)  11.5(5.4)                Park   4.8(5.1)   3.1(5.3)   5.2(4.8)                  Bank        0.5(1.1)     1.5(2.7)     0.8(1.2)
Bodega              5.1,(3.9)  2.6,(3.0)   6.1,(4.7)              Subway Stop     1.1(1.7)      0.8(1.4)   1.5 (1.8)                Gym     0.2(0.7)  0.5(0.9)  0.4(0.9)                Medical    4.3(5.0)   7.7(7.7)      7.9(7.2)
Fast Food          1.0,( 1.5)   0.8,(1.3)   0.9,( 1.6)           4-way Stop       4.0(5.6)   3.4(4.9)   4.5(6.0)             Other   2.8(3.1)   1.4(2.4)   3.4(3.2)                   School     4.6(3.1)     2.8(2.5)   3.8(2.6)
Restaurant       6.3,( 6.0)  5.8,( 7.6)  10.5,( 8.7)       Traffic Signal    44.1(20.0) 36.6(23.3) 47.7(22.8)                                                                                            Church     8.7(6.8)    4.2(4.9)   7.0(5.2)
Liquor Store      0.8,(1.1)   0.7,( 1.1)    1.2,( 1.1)                                                                                                                                                                                                         Retail     10.9(18.2) 15.1(19.3) 23.2(27.1)