RC, K. (2003). The epidemiology of major depressive disorder: results from the National Comorbidity Survey Replication. JAMA , 289, 3095-105.
This study shows results from a national survey conducted from February 2001 to December 2002 in 48 different states of America. This is an important survey as it provides recent statistics for depression based on DSM-IV criteria. Many studies exist and report different prevalence of depression so a nationwide study is a reliable source.
The lifetime prevalence of major depression was found to be 16.2% as was almost always associated with other mental disorders (72.1%). It was also found that depression led to severe disability in 59.3% of the participants and only 49.1% of the patients with major depression received adequate treatment. This shows that major depression is common, disabling condition in general population and is a major public health issue. It exists as a group of mental illnesses rather than a primary entity but is not recognized earlier and is inadequately treated. Thus, individuals should be screened for depression in primary care settings.
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