Μελέτη των υποκλιμάκων που συνθέτουν την κλίμακα κατάθλιψης EUROD
A study of the sub-scales of the EUROD scale of depression
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ΒιοστατιστικήAbstract
Depression occupies an important position as a mental disorder in today's age. In this MSc thesis, the association of depression and, more specifically, of the two sub-scales of depression with demographic factors, socioeconomic factors, risky behaviors, etc. is examined among people aged 50 and over in Europe, including Greece. The data used to implement the aforementioned analysis come from the 8th wave of the Survey of Health, Ageing and Retirement in Europe (SHARE). More specifically, the 1st chapter presents important information on mental health and depression as morbidity factors, and discuss how various socio-demographic factors, risky behaviors and physical health affect depression. Moreover, the levels of depression in Europe are analyzed. The 2nd chapter analyzes the definition and provides information about psychometric scales, the construction of the EUROD depression scale and its characteristics. In addition, the 2 sub-scales of the EUROD scale are mentioned and information about these 2 sub-scales from relevant bibliography is provided. Chapter 3 provides information on the Survey of Health, Ageing and Retirement in Europe (SHARE) and the dataset used in the analysis, which was based on the 8th wave of this survey. Further, the descriptive analysis carried out to separate the variable of interest (EUROD) into two factors, lack of motivation and affective suffering, is presented, as well as the means of each symptom of the variable of interest per gender for each country separately, in barcharts. Moreover, the symptoms belonging to each of the two subscales according to the present analysis are compared to those found by Castro-Costa. In the 4th chapter, the concept of logistic regression is discussed and 4 logistic regression models are presented (2 for each of the two countries selected) in order to investigate which independent variables are associated with the appearance of each factor in each of the two countries; the findings for the two countries are compared by factor. The 5th chapter lists the final conclusions of our analysis and, more specifically, which independent variables contribute to the appearance of symptoms. Our findings indicate that lack of motivation is associated withself-perceived health, orientation, mobility limitations, memory and the ability to cope, while the variables that contribute to the appearance of symptoms of affective suffering are gender, self-perceived health, mobility limitations, memory and coping ability.