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Table 2 Black-White residential segregation measures for 231 US Metropolitan Statistical Areas, 2000

From: Do measures matter? Comparing surface-density-derived and census-tract-derived measures of racial residential segregation

    Census Region  
   Total West Midwest Northeast South p-value1
Metropolitan Statistical Areas      
  N 231 33 52 35 111  
MSA Population Mean 913,700 1,460,000 841,900 1,322,000 656,000  
  Median 436,100 753,200 405,000 629,400 319,400  
MSA % Black Mean 13.3 4.5 9.7 8.3 19.2  
  Median 9.7 3.5 8.4 6.7 17.6  
Mean Segregation Index       
  Dissimilarity (500 m)2 0.652 0.531 0.688 0.708 0.652 < 0.001
  Dissimilarity (1000 m)2 0.612 0.490 0.655 0.676 0.608 < 0.001
  Dissimilarity (2000 m)2 0.566 0.453 0.615 0.640 0.553 < 0.001
  Dissimilarity (4000 m)2 0.512 0.414 0.568 0.588 0.490 < 0.001
  Dissimilarity (Tract)3 0.546 0.446 0.612 0.631 0.518 < 0.001
  Isolation (500 m)2 0.493 0.260 0.479 0.468 0.576 < 0.001
  Isolation (1000 m)2 0.457 0.235 0.445 0.433 0.536 < 0.001
  Isolation (2000 m)2 0.411 0.213 0.397 0.386 0.484 < 0.001
  Isolation (4000 m)2 0.356 0.186 0.338 0.322 0.426 < 0.001
  Isolation (Tract)3 0.409 0.228 0.415 0.413 0.458 < 0.001
Difference in Dissimilarity Index      
500 m - Tract Mean 0.106 0.086 0.076 0.077 0.135 < 0.001
  25th percentile 0.068 0.061 0.057 0.052 0.095  
  Median 0.094 0.077 0.069 0.073 0.124  
  75th percentile 0.13 0.104 0.093 0.094 0.172  
4000 m - Tract Mean -0.034 -0.031 -0.044 -0.042 -0.028 0.04
  25th percentile -0.055 -0.046 -0.064 -0.073 -0.014  
  Median -0.033 -0.032 -0.045 -0.032 -0.027  
  75th percentile -0.012 -0.016 -0.025 -0.01 -0.003  
Difference in Isolation Index      
500 m - Tract Mean 0.084 0.031 0.065 0.056 0.119 < 0.001
  25th percentile 0.048 0.015 0.053 0.026 0.081  
  Median 0.073 0.03 0.068 0.053 0.111  
  75th percentile 0.111 0.04 0.074 0.076 0.154  
4000 m - Tract Mean -0.052 -0.042 -0.077 -0.091 -0.031 < 0.001
  25th percentile -0.073 -0.057 -0.096 -0.127 -0.049  
  Median -0.046 -0.036 -0.072 -0.093 -0.027  
  75th percentile -0.024 -0.031 -0.054 -0.056 -0.01  
  1. 1. P-value from ANOVA analysis of mean values across census regions.
  2. 2. Dissimilarity and isolation indices calculated with a spatial egocentric neighborhood defined by biweight kernel with specified bandwidth.
  3. 3. Dissimilarity and isolation indices calculated with the census tract as the local/neighborhood area of interest