Table 2.

ERGM effects, parameter estimates, and standard errors for the multiplex one-mode and two-mode risk network

ERGM components	Structural effects	Parameter estimate	Standard error
One-mode structure	Arc (density)	−7.391	0.421
	Reciprocity	7.614	0.249
	No-receiver	−3.065	0.414
	Isolate	−2.094	0.400
	Alternating-in-star (AinS)	1.395	0.235
	Alternating-out-star (AoutS)	−0.977	0.188
	Alternating-triangle (AT)	1.007	0.054
	Alternating-two-path (A2P)	−0.132	0.033
Sender having attributes/behavior	HIV positive	−0.615	0.212
	Race/Ethnicity: Black	−0.982	0.275
	Race/Ethnicity: White	−0.426	0.289
	Homeless	−0.619	0.159
	Bisexual	−0.056	0.170
	Sex work	−0.059	0.209
	Consistent condom use	−0.341	0.180
Receiver having attributes/behavior	HIV positive	0.158	0.168
	Race/Ethnicity: Black	−0.855	0.266
	Race/Ethnicity: White	−0.299	0.243
	Homeless	0.168	0.133
	Bisexual	−0.346	0.149
	Sex work	−0.647	0.185
	Consistent condom use	0.297	0.141
Homophily on binary attributes/behavior	HIV positive	0.740	0.141
	Race/Ethnicity: White	0.507	0.190
	Race/Ethnicity: Black	1.648	0.218
	Homeless	0.415	0.114
	Bisexual	0.375	0.105
	Sex work	0.524	0.130
	Consistent condom use	0.278	0.128
Homophily on continuous attributes/behavior	Age	−0.037	0.005
	Years of schooling	0.011	0.016
	Number of cumulative arrest	−0.001	0.002
	Months of incarceration	0.001	0.001
	Number of paid sex partners	0.001	0.001
	Number of casual sex partners	−0.004	0.002
Venue-mediated ties	Weak tie	0.899	0.310
	Strong tie	−1.039	0.645
Venue-mediated ties among sex workers	Weak tie	0.494	0.318
	Strong tie	−1.301	0.668

Note: Significant parameter estimates (p< .05) are bolded. “Hispanic” Race/ethnicity variable did not have significant effects.