Prevalence and Incidence of Obsessive-compulsive disorder
Prevalance of Obsessive-compulsive disorder:
3.3 million adult Americans (NIMH); 2.3% adults (NIMH); 1 in 50 people (NWHIC); 2.4% adults (USSG) ... see also overview of Obsessive-compulsive disorder.
Prevalance Rate:
approx 1 in 82 or 1.21% or 3.3 million people in USA [Source statistic for calcuation: "3.3 million adult Americans (NIMH); 2.3% adults (NIMH); 1 in 50 people (NWHIC); 2.4% adults (USSG)" -- see also general information about data sources]
Obsessive-compulsive disorder Prevalence: Book Excerpts
Incidence (annual) of Obsessive-compulsive disorder:
2.3% adults annualy (NIMH) ... see also overview of Obsessive-compulsive disorder.
Incidence Rate:
approx 1 in 43 or 2.30% or 6.3 million people in USA [Source statistic for calcuation: "2.3% adults annualy (NIMH)" -- see also general information about data sources]
Incidence extrapolations for USA for Obsessive-compulsive disorder:
6,255,999 per year,
521,333 per month,
120,307 per week,
17,139 per day,
714 per hour,
11 per minute,
0 per second.
[Source statistic for calculation: "2.3% adults annualy (NIMH)" -- see also general information about data sources]
Prevalance of Obsessive-compulsive disorder:
OCD afflicts about 3.3 million adult Americans. (Source: excerpt from Anxiety Disorders: NIMH)
Prevelance of Obsessive-compulsive disorder discussion:
Approximately 3.3 million American adults ages 18 to 54, or about
2.3 percent of people in this age group in a given year, have OCD.
12
(Source: excerpt from The Numbers Count: NIMH)
Incidence of Obsessive-compulsive disorder:
About 2.3% of the U.S. population ages 18 to 54 - approximately 3.3
million Americans - has OCD in a given year.
(Source: excerpt from Facts about Obsessive-Compulsive Disorder: NIMH)
Prevelance statistics for Obsessive-compulsive disorder:
The following statistics relate to the prevalence of Obsessive-compulsive disorder:
- Affects men and women equally in the US (National Institute of Mental Health, NIH)
- more statistics...»
More Statistics about Obsessive-compulsive disorder:
Hospitalization statistics
All statistics for Obsessive-compulsive disorder
Prevalence/Incidence of Obsessive-compulsive disorder: 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 Obsessive-compulsive disorder.
Obsessive-compulsive disorder:
Causes and incidence
(Professional Guide to Diseases (Eighth Edition))
The cause of OCD is unknown. Some studies suggest the possibility of brain lesions, but the most useful research and clinical studies base an explanation on psychological theories. In addition, major depression, organic brain syndrome, and schizophrenia may contribute to the onset of OCD. Some authorities think that OCD is closely related to some eating disorders.
OCD affects 2% to 3% of Americans — about 7 million people. Symptoms usually are noticed between ages 20 and 30, with 75% of patients displaying symptoms before age 30.
» READ BOOK EXCERPT ONLINE »
Source: Professional Guide to Diseases (Eighth Edition), 2005
Personality disorders:
Causes and incidence
(Professional Guide to Diseases (Eighth Edition))
Various theories attempt to explain the origin of personality disorders. Genetic factors influence the biological basis of brain function as well as basic personality structure. In turn, personality structure affects how a person responds to life experiences and interacts with the social environment. Over time, each person develops distinctive ways of perceiving the world and of feeling, thinking, and behaving.
Some researchers suspect that poor regulation of the areas controlling emotion within the brain increases the risk of a personality disorder, especially when combined with such factors as abuse, neglect, or separation. For a biologically predisposed person, the major developmental challenges of adolescence and early adulthood may trigger a personality disorder.
Social theories hold that disorders reflect learned responses, having much to do with reinforcement, modeling, and aversive stimuli as contributing factors. According to psychodynamic theories, personality disorders reflect deficiencies in ego and superego development and are related to poor mother-child relationships characterized by unresponsiveness, overprotectiveness, or early separation.
Personality disorders are common and affect 10% to 15% of the population in the United States. Gender influences presence; for example, antisocial and obsessive-compulsive personality disorders are more common in men, whereas borderline, dependent, and histrionic personality disorders are more prevalent in women.
» READ BOOK EXCERPT ONLINE »
Source: Professional Guide to Diseases (Eighth Edition), 2005
About prevalence and incidence statistics:
The term 'prevalence' of Obsessive-compulsive disorder usually refers to the estimated population
of people who are managing Obsessive-compulsive disorder at any given time.
The term 'incidence' of Obsessive-compulsive disorder refers to the annual diagnosis rate,
or the number of new cases of Obsessive-compulsive disorder 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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