“…In Figure 3 we see that in Denmark, Norway, Sweden, and the United States, female same-sex unions appear to be substantially less stable than male same-sex unions, with relative risk ratios of 1.5, 1.7, 2.2, and 2.1, respectively (Andersson and Noack 2010;Andersson et al 2006;Rosenfeld 2014;and Wiik, Seierstad, and Noack 2014).…”