Table 2.

Best model summary output tables. Pseudo-R2 calculated as 1 – (residual deviance/null deviance): (a) based on AIC score; (b) based on BIC score and (c) with interaction term.

variableestimates.e.z-valuep-value
(a) AIC = 548.9029; pseudo-R2 = 0.391
formula: numFam ∼ groundDiv + groundCover + income + sqFeet + imp500m
 (intercept)3.392570.0809141.93<0.001
 local ground vegetation diversity0.225320.062383.612<0.001
 local ground vegetation coverage0.302920.070754.282<0.001
 mean neighbourhood income0.400110.089744.459<0.001
 house square footage0.620260.079577.795<0.001
 impervious surface area at 500 m radius0.161080.101051.5940.110918
(b) BIC = 558.874; pseudo-R2 = 0.385
formula: numFam groundDiv + groundCover + income + sqFeet
 (intercept)3.465950.0661152.428<0.001
 local ground vegetation diversity0.206310.061463.357<0.001
 local ground vegetation coverage0.316470.070364.498<0.001
 mean neighbourhood income0.37980.088974.269<0.001
 house square footage0.574880.074567.71<0.001
(c) AIC = 537.78; pseudo-R2 = 0.418
formula: numFam ∼ groundDiv + groundCover + income + sqFeet + groundCover × income
 (intercept)3.392570.0809141.93<0.001
 local ground vegetation diversity0.224180.061623.638<0.001
 local ground vegetation coverage0.745170.134745.531<0.001
 mean neighbourhood income0.985930.1815145.325<0.001
 house square footage0.590930.074877.892<0.001
 interaction (ground cover × income)−1.124610.30257−3.717<0.001