“…By comprehensively incorporating the significant factors identified in previous studies (Charlson et al, 1987;Miller, 2000;Pirkis, 2000;Akechi et al, 2002;Akechi et al, 2002;Amir., 2002;Bruce et al, 2004;Pirkola, 2004;Bjorkenstam et al, 2005;Misono et al, 2008;Shin et al, 2008;Park et al, 2009;Ahn et al, 2010;Fanger et al, 2010;Recklitis et al, 2010;Shim, 2010;Shin et al, 2010;Mitchell et al, 2011), this study analyzed the influential parameters using depression and suicidal ideation as dependent variables, and sociodemographic characteristics, health-related behavior, clinical conditions, and quality of life as independent variables. Age, education, income (monthly income after cancer diagnosis), and marital status were categorized as sociodemographic characteristics, and smoking and alcohol consumption represented health-related behavior.…”