2.7. Sociodemographic, Clinical, and Psychological Assessment
Depression, Cognitive distortions
KIDNEY DISEASE
For each participant the following sociodemographic variables were evaluated by a data sheet that was collected as part of the study: age, gender, grade level, employment status, living status, number of dependents, medication use, comorbidities, previous transplant, smoking status before getting sick or at the time of the evaluation, and months on hemodialysis. The medical record of every patient was consulted by accessing the hospital database to obtain the latest results for biochemical variables: glucose (mg/dL), hemoglobin (mg/dL), albumin (g/dL), and creatinine (mg/dL).All psychological questionaries were previously validated in the Spanish language. Depression symptoms were assessed with the BDI which has a reliability (Cronbach’s alpha, α) of 0.87 [Quality of life was evaluated by the KDQOL-36 scale developed by the Kidney Disease Quality of Life Working Group. It has 36 items divided into 5 dimensions, the scores range from 0 to 100 points and the internal consistency of the instrument is 0.80 [Resilience was evaluated using the Mexican Resilience Scale, which has 43 items divided into 6 dimensions with a global internal consistency of 0.93 [Cognitive distortions were evaluated by the questionnaire via 30 items divided into 5 dimensions (catastrophizing, dichotomous thinking, outside self-worth, negative self-labeling, and perfectionism) and global internal consistency of 0.93 [