status. A family history density (FHD) measure is useful for disorders influenced by genetic and environmental components, such as PTSD and alcohol dependence, since it can include other affected family members and account for degrees of relatedness (Cservenka, Gillespie, Michael, & Nagel, 2015; Pandey et al., 2020; Powers, Berger, Fuhrmann, & Fendrich, 2017).
