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In science, prevalence describes a proportion (typically expressed as a percentage). For example, the prevalence of obesity among American adults in 2001 was estimated by the U. S. Centers for Disease Control (CDC) at approximately 20.9%. [5] Prevalence is a term that means being widespread and it is distinct from incidence.
The average lifetime prevalence found was 6.7% for MDD (with a relatively low lifetime prevalence rate in higher-quality studies, compared to the rates typically highlighted of 5–12% for men and 10–25% for women), and rates of 3.6% for dysthymia and 0.8% for Bipolar 1. [18]
The lifetime prevalence of at least one mental disorder: 57.4% [5]; 12 month prevalence of at least one mental disorder: 32.4%; Comorbidity: Of the people who had experienced a mental illness in their lifetime (48% of the population), 27% had experienced more than one.
One can select by recall period: last month, last year, or lifetime. Also by age: young adults (15–34), or adults (15–64). Hover over a country for the data. [13] A non-interactive map is below. Lifetime prevalence of cannabis use among all adults (aged 15 to 64 years old) in nationwide surveys among
The study found that an average global citizen lives 9.6 fewer healthy years than they live altogether — so, for example, someone who lived to 80 might have spent the last decade of their life ...
Dissociative disorders in general have a lifetime prevalence of 9.1%–18.3% in the general population. [ 84 ] As of 2012, DID was diagnosed 5 to 9 times more common in women than men during young adulthood, although this may have been due to selection bias as men meeting DID diagnostic criteria were suspected to end up in the criminal justice ...
For example, among 15–29 year ... the lifetime prevalence of suicidal ideation in the homeless community was 41.60% while the lifetime prevalence of suicide attempt ...
[12] [13] Studies conflict on the prevalence of depression in the elderly, but most data suggest there is a reduction in this age group. [14] Depressive disorders are most common in urban than in rural population and, in general, the prevalence is higher in groups with adverse socio-economic factors (for example in homeless people). [15]