“…In addition, evidence from South Africa and Asia demonstrates that there is an increased risk for HIV infection among women experiencing intimate partner violence (IPV) (Dunkle et al, 2004;Kalichman et al, 2005Kalichman et al, , 2007 Modie-Moroka, 2009); and IPV has been linked to greater HIV and STI infection (Adebayo, Fahrmeir, Seiler, & Heumann, 2010;Ezechi et al, 2009;Silverman, Decker, Kapur, Gupta, & Raj, 2007;Silverman, Decker, Saggurti, Balaiah, & Raj, 2008). However, no study has examined the association between IPV and extramarital sex (or sexual concurrencies) in Nigeria.…”