Depression Research Studies

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Literature Review According to the research question our group proposed, the dependant variable is depression level among UTAR students and the independent variable is quality of sleep. Sleep quality is important for our health. Poor sleep quality will affect the physical health of the individual in the long run. First and foremost, there are two variables in this research question which is the depression level of the students and the quality of sleep. One of the factors that cause depression is school itself. School is the main source of stress for adolescents, and stress is one of the main factors causing depression. Due to fast physical changes and mental development at this stage, students may sometimes feel that their mental development and their physical changes or with the social environment are incompatible and thus they suffer from problems of inadequate adaptation. …show more content…

In Lai & Say’s (2012) research, 8.7 % of the UTAR students reported that their overall sleep was very good, 58% - fairly good, and 33.3% - fairly bad or very bad. The majority of the UTAR students (67.1%) were good sleepers based on the Pittsburgh Sleep Quality Index (PSQI). The second research question is “What are the depression level among UTAR students?”. In Tan’s (2011) research, the data collected in the research, UTAR students have moderate depression level on average based on the Patient Health Questionnaire (PHQ-9). The third research question is “Is there any significant relationship between quality of sleep and depression among UTAR students?”.According to Tan’s (2011) research, it shows that there is a significant positive correlation between insomnia and depression. The result of Pearson Correlation showed that there was a significant positive correlation between level of insomnia and depression among undergraduates in UTAR (Tan, 2011). Latest

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