Table 4.

Sequential regressions predicting time to maximum VPA while watching a sexual film from inflammation, sexual frequency, and relevant covariates.

Step	F	adjusted R2	Predictor	β	t	p
1	0.305	−0.033	Age	−0.011	−0.069	0.945
			BMI	0.124	0.762	0.451
2	4.613	0.296	Age	0.117	0.762	0.451
			BMI	0.308	1.735	0.091
			Salivary CRP	−1.283**	−3.808	< 0.001
			Sexual frequency	−1.043*	−2.678	0.011
			CRP x frequency	1.813**	3.733	0.001
The same sequential regressions including cortisol and time since waking.
Step	F	adjusted R2	Predictor	β	t	p
1	0.985	−0.002	Age	−0.077	−0.367	0.717
			BMI	0.251	1.173	0.253
			Salivary cortisol	−0.368	−1.795	0.086
			Time since waking	0.057	0.284	0.779
2	1.762	0.145	Age	−0.178	−0.847	0.406
			BMI	0.416	1.595	0.126
			Salivary cortisol	−0.448*	−2.302	0.032
			Time since waking	0.067	0.360	0.722
			Salivary CRP	−0.306	−1.292	0.210
			Sexual frequency	0.354	1.947	0.065
			CRP x frequency	—	—	—

* significant at p < 0.05, ** significant at p < 0.01.