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. Author manuscript; available in PMC: 2021 Sep 1.
Published in final edited form as: City Community. 2019 Aug 19;19(3):538–572. doi: 10.1111/cico.12419

Table 3.

Average Tract Characteristics and Analysis Measures by Wyly and Hammel’s 1998 Gentrification Field Survey Categories

Gentrifiable Nongentrifiable
Nongentrifying Gentrifying
1970 2000 1970 2000 1970 2000
N 19 22 83
% white 58.3** 48.9** 88.5 77.7 90.9 72.9
% black 25.8* 19.9** 6.1 7.2 3.5 7.2
% Hispanic 2.5 9.0* 1.5 4.7 2.1* 4.5
% Asian 11.2** 19.7* 2.2 9.1 2.9 14.5**
% foreign-born 12.7 22.9* 10.3 12.7 8.3** 15.8*
% below poverty 19.3 22.6 17.4 17.0 7.5** 8.9**
Median household income $50,562 $47,818 $46,517 $50,439 $74,538** $76,259**
Income per capita $25,263 $29,222** $25,884 $47,708 $31,898** $43,957
% college-educated 10.3 31.5** 16.6 55.7 17.2 49.3*
% professional/managerial 17.6** 37.0** 25.8 51.6 28.8 49.9
Median home value $113,055* $301,474** $154,224 $451,805 $134,612 $402,765
Median gross rent $534 $846 $612 $960 $764** $1,134**
% new resident in last 10 years 71.9** 76.8** 81.5 86.1 65.3** 65.2**
% homeownership 47.6 33.5 33.6 22.9 67.9** 61.0**
% vacant units 11.9 6.2 9.9 6.8 5.1** 3.5**
% multiunit structures 53.2** 59.1** 77.8 83.9 23.7** 31.3**
% units built over 30 years ago 60.2 70.7 65.8 64.5 39.6** 74.9**
Measures for regression analysis (1970) Mean Std. dev. Mean Std. dev. Mean Std. dev.
 Distance (in feet) (sq. rt.) 53.0* 54.8 20.2 31.0 99.3** 46.6
 First PC (residential opportunity) 33.9* 61.7 76.9 33.5 −28.1** 48.6
 Second PC (socioeconomic status) −7.70 21.8 −14.1 24.4 5.50** 25.3
 Crime rate (logged) 8.90 0.70 8.64 0.66 7.82** 0.51

Note:

**

p<0.01,

*

p<0.05,

p<0.10 (two-tailed t-test).

T-tests compare gentrifying tracts to nongentrifying and nongentrifiable tracts. Dollars are in 2013 constant dollars.