The patients with chronic kidney disease treated with hemodialysis (42 patients) and those with CAPD (41 patients) were included in this study. Also a healthy control group with matched baseline sociodemographic characteristics were included in the study. The patients aged 18-65 years with a history of ≥1 year of dialysis therapy and being literate and signing informed consent were included, while patients with the history of known dementia, delirium, organic brain syndrome (OBS), mental retardation, psychosis, bipolar disorder or under the influence of substance or alcohol, leading to disrupted cooperation, reality sense and cognitive functions and thereby interfering with the interview or answering the scale were excluded. The Structured Clinical Interview for DSM-IV Axis I Disorders (SCID-I) was used to assess current psychiatric disorders. Additional data were also collected from Hospital Anxiety and Depression Scale (HADS), Health related quality of life Short Form-36 (SF-36), COPE (Coping strategies with stress) inventory and sociodemographic data forms.