Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.
The MDE statistics are annual (last twelve month) prevalence rates.
A modified version of the Composite International Diagnostic Interview is administered to assess criteria necessary for a diagnosis of Major Depressive Episode based on DSM IV for adults. A person was defined as having had a depressive episode (MDE) if he or she had a period of time in the past 12 months when he or she felt depressed or lost interest or pleasure in daily activities for 2 weeks or longer, and had at least five or more of the following nine symptoms in the same 2-week period, in which at least one of the symptoms was a depressed mood or loss of interest or pleasure in daily activities: (1) depressed mood most of the day, nearly every day; (2) markedly diminished interest or pleasure in all or almost all activities most of the day, nearly every day; (3) significant weight loss when not dieting or weight gain or decrease or increase in appetite nearly every day; (4) insomnia or hypersomnia nearly every day; (5) psychomotor agitation or retardation nearly every day; (6) fatigue or loss of energy nearly every day; (7) feelings of worthlessness nearly every day; (8) diminished ability to think or concentrate or indecisiveness nearly every day; and (9) recurrent thoughts of death or recurrent suicide ideation.
Any change to the objective text, baseline, target, target-setting method or data source since the Healthy People 2020 launch.
In 2013, the original baseline was revised from 6.8 to 6.4 due to a change in programming. The target was adjusted from 6.1 to 5.8 to reflect the revised baseline using the original target-setting method. In 2014 due to a methodology change in NSDUH's calculation of estimates, the baseline was recalculated from 6.4 percent to 6.5 percent. This baseline change did not affect the target which remains at 5.8.
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