Skip to main content
. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Soc Networks. 2017 Mar 28;51:40–59. doi: 10.1016/j.socnet.2017.01.007

Table A3.

TERGM different cut-offs

Formation Models Model 1a Cut-off 0.0025 Model 2a Cut-off 0.0030 Model 3a Cut-off 0.010 Model 4a Backbone - alpha 0.01
Network structure
 Edge -3.52 (0.13) *** -3.62 (0.15) *** -4.22 (0.31) *** -4.92 (0.25) ***
 Reciprocity 0.16 (0.1) 0.12 (0.12) -3.12 (0.75) *** 0.32 (0.24)
 Geometrical weighted in-degree (popularity spread) -3.74 (0.31) *** -3.48 (0.25) *** -4.6 (0.34) *** -1.47 (0.21) ***
Receiver effects (“Work” community effects)
 Violent crime rate -3.93 (1.2) ** -3.31 (1.54) * 8.66 (2.84) ** 9.56 (2.86) ***
 Residential stability -0.61 (0.04) *** -0.59 (0.05) *** -0.86 (0.19) *** -0.34 (0.09) ***
 Racial and ethnic diversity -0.25 (0.04) *** -0.3 (0.04) *** -0.2 (0.11) -0.17 (0.09)
 Density of local jobs 4.34 (0.31) *** 3.25 (0.28) *** 0.33 (0.36) 0.74 (0.27) **
Sender effects (“Home” community effects)
 Violent crime rate 0.75 (1.42) -3.75 (1.72) * -4.81 (3.7) -8.59 (3.16) **
 Residential stability 0.22 (0.05) *** 0.27 (0.05) *** 0.82 (0.21) *** 0.59 (0.09) ***
 Racial and ethnic diversity 0.02 (0.05) 0.08 (0.05) 0.26 (0.12) * 0.36 (0.1) ***
 Density of local jobs 1.69 (0.31) *** 1.22 (0.27) *** 0.09 (0.37) -0.18 (0.28)
Relational effects
 Spatial proximity 0.8 (0.14) *** 1.17 (0.15) *** 1.41 (0.27) *** 2.59 (0.19) ***
 Transportation 0.29 (0.03) *** 0.27 (0.03) *** 0.28 (0.05) *** 0.02 (0.03)
Dissimilarity
 Violent crime rate -3.98 (1.49) ** -4.19 (1.77) * -2.46 (3.62) -8.35 (3.49) *
 Residential stability -0.23 (0.05) *** -0.18 (0.05) *** -0.76 (0.22) *** -0.06 (0.1)
 Racial and ethnic diversity -0.26 (0.05) *** -0.11 (0.05) * -0.26 (0.12) * -0.67 (0.11) ***
 Density of local jobs -1.72 (0.31) *** -1.2 (0.27) *** 0.17 (0.39) 0.34 (0.29)
AIC -463210 -594497 -741753 -740628
BIC -46306 -594349 -741601 -740476

Dissolution models Model 1b Cut-off 0.0025 Model 2b Cut-off 0.0030 Model 3b Cut-off 0.010 Model 4b Backbone - alpha 0.01

Network structure
 Edge 0.92 (0.15) *** 1.18 (0.16) *** -0.36 (0.46) 0.91 (0.36) *
 Reciprocity 0.01 (0.11) 0.2 (0.12) 2.23 (2.59) 1.47 (0.27) ***
 Geometrical weighted in-degree (popularity spread) -2.47 (0.28) *** -1.82 (0.25) *** -1.98 (0.42) *** -1.12 (0.29) ***
Receiver effects (“Work” community effects)
 Violent crime rate -3.78 (1.65) * -6.13 (1.83) *** 6.18 (5.09) -19.31 (4.22) ***
 Residential stability -0.35 (0.05) *** -0.52 (0.05) *** 0.06 (0.25) -0.32 (0.13) *
 Racial and ethnic diversity -0.1 (0.05) * -0.11 (0.05) * 0.07 (0.17) -0.1 (0.12)
 Density of local jobs 1.92 (0.24) *** 0.91 (0.17) *** 1.81 (0.41) *** 2.59 (0.4) ***
Sender effects (“Home” community effects)
 Violent crime rate -4.55 (1.42) ** -3.99 (1.59) * -3.98 (3.72) 8.01 (3.51) *
 Residential stability 0.17 (0.05) ** 0.15 (0.06) * -1 (0.35) ** 0.31 (0.12) **
 Racial and ethnic diversity 0.17 (0.05) *** 0.18 (0.05) *** -0.18 (0.14) 0.19 (0.11)
 Density of local jobs 0.32 (0.24) -0.07 (0.16) 0.01 (0.31) -0.14 (0.31)
Relational effects
 Spatial proximity 1.05 (0.12) *** 1.19 (0.13) *** 1.17 (0.35) *** 0.64 (0.25) *
 Transportation 0.21 (0.02) *** 0.16 (0.02) *** 0.11 (0.05) * 0.08 (0.04) *
Dissimilarity
 Violent crime rate -4.5 (1.62) ** -0.65 (1.86) -2.13 (4.8) 4.14 (4.93)
 Residential stability 0.06 (0.05) 0.02 (0.06) 0.93 (0.35) ** -0.46 (0.13) ***
 Racial and ethnic diversity 0.04 (0.05) -0.18 (0.05) ** -0.02 (0.17) -0.27 (0.15)
 Density of local jobs -0.29 (0.24) 0.07 (0.16) -0.28 (0.34) -0.1 (0.32)
AIC 5903 5538 1131 1373
BIC 6024 5658 1233 1476

Notes: Main cells represent ERGM estimates. Standard errors in parentheses. N = 77 nodes (community areas).

***

p < .001,

**

p < .01,

*

p < .05,

p <.10.

The model with cut-off 0.0025 includes only 2002-2011 period. The model with cut-off 0.0030 includes only 2003-2011 period.