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Prevalence and Incidence of Lactose Intolerance
Prevalance of Lactose Intolerance:
30 million people to 50 million people (NIDDK 1994); about 25% of population (1994/NIDDK) ... see also overview of Lactose Intolerance.
Prevalance Rate:
approx 1 in 9 or 11.03% or 30 million people in USA [Source statistic for calcuation: "30 million people to 50 million people (NIDDK 1994); about 25% of population (1994/NIDDK)" -- see also general information about data sources]
Prevalance of Lactose Intolerance:
Between 30 and 50 million Americans are lactose intolerant. (Source: excerpt from Lactose Intolerance: NIDDK) ... This most common food intolerance affects at least one out of ten people. (Source: excerpt from Food Allergy and Intolerances, NIAID Fact Sheet: NIAID) ... 30 to 50 million people (1994) (Source: excerpt from Digestive Diseases Statistics: NIDDK) ... An estimated 30 to 50 million Americans (about 25% of the United States population) are affected by lactose intolerance. (Source: excerpt from Lactose Intolerance: NWHIC)
Prevelance statistics for Lactose Intolerance:
The following statistics relate to the prevalence of Lactose Intolerance:
- 90% of Asian American adults have lactose intolerance (NIDDK 1994)
- 70% of African-American adults have lactose intolerance (NIDDK 1994)
- 74% of Native American adults have lactose intolerance (NIDDK 1994)
- 53% of Mexican-American adults have lactose intolerance (NIDDK 1994)
- 15% Caucasian adults have lactose intolerance (NIDDK 1994)
- more statistics...»
More Statistics about Lactose Intolerance:
Prevalence/Incidence of Lactose Intolerance: 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 Lactose Intolerance.
Lactose Intolerance:
Lactose Intolerance - epidemiology
(The 5-Minute Pediatric Consult)
Lactose Intolerance - prevalence
- ~70% of the world’s population has primary lactase deficiency.
- The prevalence of primary lactase deficiency in Northern Europeans, who have a diet rich in dairy, is 2%.
- In Hispanic people, the prevalence of primary lactase deficiency is 50–80%.
- In Ashkenazi Jewish people as well as in African Americans the prevalence is 60–80%.
- In the Asian population, the prevalence of primary lactase deficiency is almost 100%.
- Nearly 20% of children <5 years from Hispanic, Asian, or African American descent have lactase deficiency and lactose malabsorption.
- Caucasian children usually do not develop symptoms until after 5 years of age.
Source: The 5-Minute Pediatric Consult, 2008
Milk Protein Intolerance:
Milk Protein Intolerance - epidemiology
(The 5-Minute Pediatric Consult)
Prevalence has been estimated at 2–7.5% of otherwise normal infants. It may rarely present for the 1st time in older children and recur in adults.
Source: The 5-Minute Pediatric Consult, 2008
About prevalence and incidence statistics:
The term 'prevalence' of Lactose Intolerance usually refers to the estimated population of people who are managing Lactose Intolerance at any given time. The term 'incidence' of Lactose Intolerance refers to the annual diagnosis rate, or the number of new cases of Lactose Intolerance 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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