“…Disease-specific factors that have been found to be associated with depression include the characteristics of dialysis received [11][12][13][14], dialysis adequacy [15], kidney disease [16], restless leg syndrome [17], as well as markers of creatinine, haemoglobin and serum albumin [15,18,19]. With respect to patient status, physical functioning [20,21], exercise fitness [22,23], cytokines [18,24,25], disease comorbidity [19], nutrition [15,26], sleep problems [27], and fatigue [28] have all been linked to depression.…”