2.7. Variables and Measuring Instruments
depression, anxiety, pain
The main variable of the study is cognitive performance measured by various tests (Montreal Cognitive Assessment (MOCA), Mini-Mental State Examination test (MMSE), Rey Auditory Verbal Learning Test, and verbal fluency). Functional activities were also measured through the Pfeffer Functional Activities Questionnaire (FAQ) and quality of life through the EuroQol Questionnaire and the World Health Organization Quality of Life Instrument (WHOQOL) in its adaptation of WHOQOL-AGE.Montreal Cognitive Assessment (MOCA) [Mini-Mental State Examination (MMSE) [Rey Auditory Verbal Learning Test [Verbal fluency [Pfeffer Functional Activities Questionnaire (FAQ): The test designed by Pfeffer [World Health Organization Quality of Life Instrument (WHOQOL) in its adaptation to the elderly population WHOQOL-AGE [EuroQol Questionnaire [The EuroQol questionnaire assesses quality of life using two instruments: the EuroQol-5D (EQ-5D) and the EuroQol Visual Analogue Scale (EQ-VAS). The EuroQol-5D (EQ-5D) analyzes five dimensions related to the presence of pain, anxiety and depression, self-care, mobility problems, and problems in carrying out activities of daily living [Data collection procedure, data management, and monitoring.Data from the baseline assessment and the 6-month visit were collected by a specially trained nurse. Each study participant was identified with a unique code, which corresponded to the data collected at each of the visits. All measurements were compiled in a data collection notebook and kept in a safe place at the faculty. A database was created with all the values collected, which could only be accessed by the study researchers.