. Author manuscript; available in PMC: 2014 Oct 12.

Published in final edited form as: J Health Psychol. 2013 Apr 12;19(7):821–835. doi: 10.1177/1359105313479812

Table 2.

Negative binomial regression test of moderation with casual sex conflict and expectancies predicting the number of casual sex partners under the influence (N = 252).

	Model 1		Model 2
	Exp(B)	95% CI	Exp(B)	95% CI
Intercept	4.626^**	3.163–6.767	3.577^**	2.418–5.292
Conflict (low vs high)	1.454	0.946–2.237	2.390^*	1.346–4.247
Expectancies (low vs high)	0.330^**	0.215–0.507	0.611	0.319–1.170
Conflict × expectancies			0.332^*	0.140–0.790
Likelihood ratio χ²(2) = 26.24^**			Likelihood ratio $χ_{step (1)}^{2} = 6.24$ ^*
			Likelihood ratio $χ_{model (3)}^{2} = 32.48$ ^**

Group means (number of casual sex partners UI)	M	SD
Low expectancies, low conflict	1.74	0.34
Low expectancies, high conflict	2.19	0.58
High expectancies, low conflict	8.55	1.83
High expectancies, high conflict	3.58	0.71

CI: confidence interval.

p < .01,

^**

p < .001.