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The epidemiology of depression has been studied across the world. Depression is a major cause of morbidity and mortality worldwide, as the epidemiology has shown. [1] Lifetime prevalence estimates vary widely, from 3% in Japan to 17% in India. Epidemiological data shows higher rates of depression in the Middle East, North Africa, South Asia and ...
e. Depression is a mental state of low mood and aversion to activity. [3] It affects about 3.5% of the global population, or about 280 million people of all ages (as of 2020). [4] Depression affects a person's thoughts, behavior, feelings, and sense of well-being. [5]
Major depressive disorder (MDD), also known as clinical depression, is a mental disorder [ 9 ] characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or pleasure in normally enjoyable activities. Introduced by a group of US clinicians in the mid-1970s, [ 10 ] the term was adopted by the American ...
Base rates and prevalence. About 8% of children and adolescents suffer from depression. [7] In 2016, 51% of students (teens) who visited a counseling center reported having anxiety, followed by depression (41%), relationship concerns (34%) and suicidal ideation (20.5%). [8] Many students reported experiencing multiple conditions at once.
A review that pooled surveys of mood disorders in different countries up to 2000 found 12-month prevalence rates of 4.1% for major depressive disorder (MDD), 2% for dysthymic disorder and 0.72% for bipolar 1 disorder. The average lifetime prevalence found was 6.7% for MDD (with a relatively low lifetime prevalence rate in higher-quality studies ...
The Center for Epidemiologic Studies Depression Scale (CES-D) is a brief self-report questionnaire developed in 1977 by Laurie Radloff to measure depressive symptoms severity in the general population. [1] The CES-D consists of 20 questions that asks about various symptoms of depression as they have occurred in the past week, and the majority ...
Depressive disorder (also known as depression) is a common mental disorder. It involves a depressed mood or loss of pleasure or interest in activities for long periods of time. Depression is different from regular mood changes and feelings about everyday life. It can affect all aspects of life.
Psychiatric epidemiology is a field which studies the causes (etiology) of mental disorders in society, as well as conceptualization and prevalence of mental illness. It is a subfield of the more general epidemiology. It has roots in sociological studies of the early 20th century. However, while sociological exposures are still widely studied ...