. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: Psychol Violence. 2014 Nov 3;5(3):305–313. doi: 10.1037/a0038316

Table 2.

Regression model estimates

	OLS		Square root		Poisson		Negative binomial		ZI Poisson		ZI Negative binomial

	B	SE	B	SE	B	SE	B	SE	B	SE	B	SE
Predicting increasing frequency of SA
Intercept	1.16^***	.16	.38^***	.04	−.38^***	.05	−.68^***	.14	1.54^***	.06	.78^*	.31
HTW	.01	.21	.05	.05	.10^*	.05	.13	.19	−.19^**	.06	−.07	.21
RMA	.30	.21	.09	.05	.15^**	.05	.45^*	.20	.15^*	.05	.21	.22
Charm	.05	.21	.05	.04	.21^***	.05	.23	.17	−.08^**	.05	.04	.20
Peer	.35	.18	.07	.04	−.05	.03	.25	.20	.14^***	.04	.04	.19
Sanctions	−.39^*	.17	−.09^*	.04	−.28^***	.04	−.20	.15	−.19^**	.04	−.24	.15
Pornography	.06	.18	.01	.04	.06	.04	.14	.16	.01	.04	.05	.14
Compulsion	.43^*	.18	.11^**	.04	.28^***	.03	.16	.16	.06	.04	−.01	.16
Impulsivity	.44^*	.18	.08^*	.04	.33^***	.04	.37^*	.16	.31^***	.05	.56^**	.20
Often drunk	.75^***	.18	.18^***	.04	.28^***	.03	.48^**	.18	.05^**	.03	.07	.11
α ^a							9.40^***	1.25			2.52^**	.93
Predicting membership in the true-zero SA group
Intercept									1.85^***	.13	.99^*	.40
HTW									−.31^*	.15	−.31	.24
RMA									−.25	.15	−.33	.24
Charm									−.23	.14	−.26	.22
Peer									−.06	.12	−.30	.29
Sanctions									.19	.12	.15	.17
Pornography									−.08	.12	−.09	.18
Compulsion									−.16	.11	−.29	.25
Impulsivity									−.08	.12	.29	.25

Often drunk									−.39^**	.11	−.81^**	.29
AIC	1830		---		2824		1129		1484		1108

Note: OLS = Ordinary least squares; ZI = Zero-inflated; HTW = Hostility toward Women; RMA = Rape Myth Acceptance; SA = Sexual Aggression; AIC = Akaike Information Criterion.

p<.05

^**

p<.01

^***

p<.001 (all two-tailed).

Overdispersion parameter estimate.