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. Author manuscript; available in PMC: 2016 Dec 19.
Published in final edited form as: Soc Sci Med. 2009 Sep 3;69(9):1296–1305. doi: 10.1016/j.socscimed.2009.07.019

Table 1.

Cross-classification of 2716 individuals in 270 zones with different active living potential levels and 112 census tracts with different proportions of university graduates.

Categories of exposure in zones Category differentiating proportion of university graduates in census tract
Lower tertile Middle tertile Higher tertile Total
Low-density suburban 60 25 25 110
Middle-density suburban 25 168 193 386
Suburban/urban axial 179 159 179 517
Mix urban/suburban 275 173 103 551
Urban residential 168 96 26 290
Diverse central urban 155 173 176 504
Central urban with high accessibility 84 141 133 358
Total 946 935 835 2716