. Author manuscript; available in PMC: 2015 Sep 1.

Published in final edited form as: Psychol Addict Behav. 2014 Aug 18;28(3):893–898. doi: 10.1037/a0037354

Table 2.

Negative Binomial Regression Analyses Predicting Drinking

Step	Variable entered	Step 1 β	Step 2 β	Step 3 β	SE	Wald’s χ²	Wald’s 95% CI
1.	Sex	0.14	−0.04	−0.03	0.21	0.02	(−0.45, 0.39)
	Race	−0.34	−0.46^*	−0.49^*	0.19	6.44	(−0.87, −0.11)
2.	Relational aggression: Aggressor		0.31^*	0.32^*	0.14	5.46	(0.05, 0.59)
	Relational aggression: Target		−0.26^*	−0.25^*	0.13	3.86	(−0.51, 0.00)
	Negative urgency		−0.05	−0.05	0.14	0.13	(−0.32, 0.22)
	Positive urgency		0.21	0.21	0.14	2.37	(−0.06, 0.49)
3.	Negative Urgency × Aggressor			0.12	0.15	0.58	(−0.18, 0.41)
	Negative Urgency × Target			−0.08	0.16	0.23	(−0.39, 0.24)
	Positive Urgency × Aggressor			−0.09	0.15	0.39	(−0.39, 0.20)
	Positive Urgency × Target			0.04	0.14	0.08	(−0.24, 0.32)

NoteStandard errors are reported for the final step of the regression.

p < .05