Prevalence and Incidence of Dysthymia
Prevalance of Dysthymia:
about 10.9 million American adults (NIMH); estimated 1.6% adults (USSG) ... see also overview of Dysthymia.
Prevalance Rate:
approx 1 in 24 or 4.01% or 10.9 million people in USA [Source statistic for calcuation: "about 10.9 million American adults (NIMH); estimated 1.6% adults (USSG)" -- see also general information about data sources]
Dysthymia Prevalence: Book Excerpts
Lifetime risk for Dysthymia:
3-6% of adults will get dysthymia during their lifetime in Canada (Health Canada)
Prevalence/Incidence of Dysthymia: Online Medical Books
16 MEDICAL BOOKS ONLINE!
Review excerpts from medical books online, free, without registration,
for more information about the prevalence and/or incidence of Dysthymia.
Major depression:
Causes and incidence
(Professional Guide to Diseases (Eighth Edition))
The multiple causes of depression aren’t completely understood. Current research suggests possible genetic, familial, biochemical, physical, psychological, and social causes. Psychological causes (the focus of many nursing interventions) may include feelings of helplessness and vulnerability, anger, hopelessness and pessimism, and low self-esteem. They may be related to abnormal character and behavior patterns and troubled personal relationships. In many cases, the history identifies a specific personal loss or severe stressor that probably interacts with the person’s predisposition to provoke major depression.
Depression may be secondary to a specific medical condition — for example, metabolic disturbances, such as hypoxia and hypercalcemia; endocrine disorders, such as diabetes and Cushing’s syndrome; neurologic diseases, such as Parkinson’s and Alzheimer’s diseases; cancer (especially of the pancreas); viral and bacterial infections, such as influenza and pneumonia; cardiovascular disorders, such as heart failure; pulmonary disorders, such as chronic obstructive lung disease; musculoskeletal disorders, such as degenerative arthritis; GI disorders, such as irritable bowel syndrome; genitourinary problems, such as incontinence; collagen vascular diseases, such as lupus; and anemias.
Drugs prescribed for medical and psychiatric conditions as well as many commonly abused substances can also cause depression. Examples include antihypertensives, psychotropics, opioid and nonopioid analgesics, antiparkinsonian drugs, numerous cardiovascular medications, oral antidiabetics, antimicrobials, steroids, chemotherapeutic agents, cimetidine, and alcohol. Depression occurs in up to 18 million Americans, affecting all racial, ethnic, and socioeconomic groups. It affects both sexes, but is more common in women.
» READ BOOK EXCERPT ONLINE »
Source: Professional Guide to Diseases (Eighth Edition), 2005
About prevalence and incidence statistics:
The term 'prevalence' of Dysthymia usually refers to the estimated population
of people who are managing Dysthymia at any given time.
The term 'incidence' of Dysthymia refers to the annual diagnosis rate,
or the number of new cases of Dysthymia diagnosed each year.
Hence, these two statistics types can differ:
a short-lived disease like flu can have high annual incidence but low prevalence,
but a life-long disease like diabetes has a low annual incidence but high prevalence.
For more information see about prevalence and incidence statistics.
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