. Author manuscript; available in PMC: 2022 Jun 24.

Published in final edited form as: Compr Psychoneuroendocrinol. 2021 Oct 16;8:100086. doi: 10.1016/j.cpnec.2021.100086

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 × 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 × frequency	—	—	—

significant at p < 0.05

^**

significant at p < 0.01