Table 3. Interaction between the Impact of Event Scale Revised (IES-R) and the significant demographic characteristics for the erectile/sexual function.

Variables		No interaction OR (CI 95%)	Principal effects OR (CI 95%)	Interaction term OR (CI 95%)
IES-R total score
	Marital status	1.62	2.70	0.98
	Without partner	(1.34 – 1.95)	(1.80 – 4.07)	(0.97 – 0.99)
	IES-R total score	1.02 (1.01 – 1.02)	1.02 (1.01 – 1.03)	---
Intrusion domain
	Marital status	1.68 (1.39 – 2.02)	2.30 (1.56 – 3.41)	0.97 (0.95 – 1.01)
Without partner
	Intrusion domain	1.02 (1.01 – 1.03)	1.03 (1.02 – 1.05)	---
Avoiding domain
	Marital status	1.63	2.43	0.97
	Without partner	(1.35 – 1.97)	(1.69 –3.50)	(0.94 – 0.99)
	Avoiding domain	1.03 (1.02 – 1.04)	1.05 (1.03 – 1.07)	---
Hyperarousal domain
	Marital status	1.59 (1.32 – 1.92)	2.79 (1.92 – 4.07)	0.94 (0.92 –0.97)
Without partner
	Hyperarousal domain	1.04 (1.03 – 1.06)	1.07 (1.05 – 1.10)	---

Verified by a Multivariate Logistic Regression model

IES-R = Impact of Event Scale – Revised; OD = odds ratio; CI = Confidence Interval