Body mass index - Revision history

Fire: Marked this version for translation

2024-02-28T11:16:04Z

Marked this version for translation

Fire at 11:15, 28 February 2024

2024-02-28T11:15:49Z

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	{{Short description\|Relative weight based on mass and height}}		{{Short description\|Relative weight based on mass and height}}
	{{Infobox diagnostic		{{Infobox diagnostic
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	In 1998, the U.S. [[National Institutes of Health]] brought U.S. definitions in line with [[World Health Organization]] guidelines, lowering the normal/overweight cut-off from a BMI of 27.8 (men) and 27.3 (women) to a BMI of 25. This had the effect of redefining approximately 25 million Americans, previously ''healthy'', to ''overweight''.		In 1998, the U.S. [[National Institutes of Health]] brought U.S. definitions in line with [[World Health Organization]] guidelines, lowering the normal/overweight cut-off from a BMI of 27.8 (men) and 27.3 (women) to a BMI of 25. This had the effect of redefining approximately 25 million Americans, previously ''healthy'', to ''overweight''.

	This can partially explain the increase in the ''overweight'' diagnosis in the past 20 years~~{{when\|date=February 2023}}~~, and the increase in sales of weight loss products during the same time. [[World Health Organization\|WHO]] also recommends lowering the normal/overweight threshold for southeast Asian body types to around BMI 23, and expects further revisions to emerge from clinical studies of different body types.		This can partially explain the increase in the ''overweight'' diagnosis in the past 20 years, and the increase in sales of weight loss products during the same time. [[World Health Organization\|WHO]] also recommends lowering the normal/overweight threshold for southeast Asian body types to around BMI 23, and expects further revisions to emerge from clinical studies of different body types.

	A survey in 2007 showed 63% of Americans were then overweight or obese, with 26% in the obese category (a BMI of 30 or more). By 2014, 37.7% of adults in the United States were obese, 35.0% of men and 40.4% of women; class 3 obesity (BMI over 40) values were 7.7% for men and 9.9% for women. The U.S. National Health and Nutrition Examination Survey of 2015-2016 showed that 71.6% of American men and women had BMIs over 25. Obesity—a BMI of 30 or more—was found in 39.8% of the US adults.		A survey in 2007 showed 63% of Americans were then overweight or obese, with 26% in the obese category (a BMI of 30 or more). By 2014, 37.7% of adults in the United States were obese, 35.0% of men and 40.4% of women; class 3 obesity (BMI over 40) values were 7.7% for men and 9.9% for women. The U.S. National Health and Nutrition Examination Survey of 2015-2016 showed that 71.6% of American men and women had BMIs over 25. Obesity—a BMI of 30 or more—was found in 39.8% of the US adults.
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	[[Category:Medical signs]]		[[Category:Medical signs]]
	[[Category:Ratios]]		[[Category:Ratios]]
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Explanatory notes

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	* [[Somatotype and constitutional psychology]]		* [[Somatotype and constitutional psychology]]
	<!-- please keep entries in alphabetical order -->		<!-- please keep entries in alphabetical order -->

	~~== Explanatory notes ==~~
	~~{{Notelist\|30em\|refs=~~
	* {{efn\|name="range-precision"\|After rounding.}}
	}}

	== Further reading ==		== Further reading ==

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	! scope="col"\| Category		! scope="col"\| Category
	! scope="col"\| BMI (kg/m<sup>2</sup>)~~{{efn\|name="range-precision"}}~~		! scope="col"\| BMI (kg/m<sup>2</sup>)
	! scope="col"\| Health risk		! scope="col"\| Health risk
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Japan

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	! scope="col"\| BMI (kg/m<sup>2</sup>)~~{{efn\|name="range-precision"}}~~		! scope="col"\| BMI (kg/m<sup>2</sup>)
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	! scope="row"\| Underweight (Thin)		! scope="row"\| Underweight (Thin)

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Hong Kong

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	! scope="col"\| BMI (kg/m<sup>2</sup>)~~{{efn\|name="range-precision"}}~~		! scope="col"\| BMI (kg/m<sup>2</sup>)
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	! scope="row"\| Underweight (Unhealthy)		! scope="row"\| Underweight (Unhealthy)

Fire at 10:49, 28 February 2024

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	'''Body mass index''' ('''BMI''') is a value derived from the [[mass]] ([[Mass versus weight\|weight]]) and [[height]] of a person. The BMI is defined as the [[human body weight\|body mass]] divided by the [[square (algebra)\|square]] of the [[human height\|body height]], and is expressed in [[Units of measurement\|units]] of kg/m<sup>2</sup>, resulting from mass in [[kilogram]]s (kg) and height in [[metre]]s (m).		'''Body mass index''' ('''BMI''') is a value derived from the [[mass]] ([[Mass versus weight\|weight]]) and [[height]] of a person. The BMI is defined as the [[human body weight\|body mass]] divided by the [[square (algebra)\|square]] of the [[human height\|body height]], and is expressed in [[Units of measurement\|units]] of kg/m<sup>2</sup>, resulting from mass in [[kilogram]]s (kg) and height in [[metre]]s (m).

	The BMI may be determined first by measuring its components by means of a [[weighing scale]] and a [[stadiometer]]. The multiplication and division may be carried out directly, by hand or using a calculator, or indirectly using a [[lookup table]] (or chart).{{efn\|e.g., the {{cite web \| url = http://www.nhlbi.nih.gov/guidelines/obesity/bmi_tbl.htm \| title = Body Mass Index Table \| archive-url = https://web.archive.org/web/20100310114919/http://www.nhlbi.nih.gov/guidelines/obesity/bmi_tbl.htm \| archive-date=2010-03-10 \| publisher = [[National Institutes of Health]]'s [[National Heart, Lung, and Blood Institute\|NHLBI]] }}}} The table displays BMI as a function of mass and height and may show other units of measurement (converted to [[Metric system\|metric units]] for the calculation).{{efn\|For example, in the UK where people often know their weight in [[Stone (unit)\|stone]] and height in feet and inches – see {{cite news \|url=http://news.bbc.co.uk/2/hi/health/5297790.stm \|title=Calculate your body mass index \|date=30 August 2006 \|access-date=2019-12-11 }}}} The table may also show contour lines or colours for different BMI categories.		The BMI may be determined first by measuring its components by means of a [[weighing scale]] and a [[stadiometer]]. The multiplication and division may be carried out directly, by hand or using a calculator, or indirectly using a [[lookup table]] (or chart). The table displays BMI as a function of mass and height and may show other units of measurement (converted to [[Metric system\|metric units]] for the calculation). The table may also show contour lines or colours for different BMI categories.

	The BMI is a convenient [[rule of thumb]] used to broadly categorize a person as based on tissue mass ([[muscle]], [[fat]], and [[bone]]) and height. Major adult BMI classifications are ''[[underweight]]'' (under 18.5 kg/m<sup>2</sup>), ''[[normal weight]]'' (18.5 to 24.9), ''[[overweight]]'' (25 to 29.9), and ''[[obese]]'' (30 or more). When used to predict an individual's health, rather than as a statistical measurement for groups, the BMI has [[#Limitations\|limitations]] that can make it less useful than some of the [[#Alternatives\|alternatives]], especially when applied to individuals with [[abdominal obesity]], [[short stature]], or [[Bodybuilding\|high muscle mass]].		The BMI is a convenient [[rule of thumb]] used to broadly categorize a person as based on tissue mass ([[muscle]], [[fat]], and [[bone]]) and height. Major adult BMI classifications are ''[[underweight]]'' (under 18.5 kg/m<sup>2</sup>), ''[[normal weight]]'' (18.5 to 24.9), ''[[overweight]]'' (25 to 29.9), and ''[[obese]]'' (30 or more). When used to predict an individual's health, rather than as a statistical measurement for groups, the BMI has [[#Limitations\|limitations]] that can make it less useful than some of the [[#Alternatives\|alternatives]], especially when applied to individuals with [[abdominal obesity]], [[short stature]], or [[Bodybuilding\|high muscle mass]].

Fire: Created page with "{{Short description|Relative weight based on mass and height}} {{Infobox diagnostic | name = Body mass index (BMI) | synonyms = Quetelet index | image = BMI chart.png | alt = | caption = Chart showing body mass index (BMI) for a range of heights and weights in both metric and imperial. Colours indicate BMI categories defined by the World Health Organization; ''underweight'', ''normal weight'', ''overweight'', ''moderately obese'', ''severely obese'' a..."

2024-02-28T10:46:40Z

Created page with "{{Short description|Relative weight based on mass and height}} {{Infobox diagnostic | name = Body mass index (BMI) | synonyms = Quetelet index | image = BMI chart.png | alt = | caption = Chart showing body mass index (BMI) for a range of heights and weights in both metric and imperial. Colours indicate BMI categories defined by the World Health Organization; ''underweight'', ''normal weight'', ''overweight'', ''moderately obese'', ''severely obese'' a..."

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	! scope="col"\| Category		! scope="col"\| Category
	! scope="col"\| BMI (kg/m<sup>2</sup>)~~{{efn\|name="range-precision"}}~~		! scope="col"\| BMI (kg/m<sup>2</sup>)
	! scope="col"\| [[#BMI prime (exponent of 2, normalization factor)\|BMI Prime]]~~{{efn\|name="range-precision"}}~~		! scope="col"\| [[#BMI prime (exponent of 2, normalization factor)\|BMI Prime]]
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	! scope="row"\| Underweight (Severe thinness)		! scope="row"\| Underweight (Severe thinness)

← Older revision		Revision as of 19:49, 28 February 2024
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	'''Body mass index''' ('''BMI''') is a value derived from the [[mass]] ([[Mass versus weight\|weight]]) and [[height]] of a person. The BMI is defined as the [[human body weight\|body mass]] divided by the [[square (algebra)\|square]] of the [[human height\|body height]], and is expressed in [[Units of measurement\|units]] of kg/m<sup>2</sup>, resulting from mass in [[kilogram]]s (kg) and height in [[metre]]s (m).		'''Body mass index''' ('''BMI''') is a value derived from the [[mass]] ([[Mass versus weight\|weight]]) and [[height]] of a person. The BMI is defined as the [[human body weight\|body mass]] divided by the [[square (algebra)\|square]] of the [[human height\|body height]], and is expressed in [[Units of measurement\|units]] of kg/m<sup>2</sup>, resulting from mass in [[kilogram]]s (kg) and height in [[metre]]s (m).

	The BMI may be determined first by measuring its components by means of a [[weighing scale]] and a [[stadiometer]]. The multiplication and division may be carried out directly, by hand or using a calculator, or indirectly using a [[lookup table]] (or chart).{{efn\|e.g., the {{cite web \| url = http://www.nhlbi.nih.gov/guidelines/obesity/bmi_tbl.htm \| title = Body Mass Index Table \| archive-url = https://web.archive.org/web/20100310114919/http://www.nhlbi.nih.gov/guidelines/obesity/bmi_tbl.htm \| archive-date=2010-03-10 \| publisher = [[National Institutes of Health]]'s [[National Heart, Lung, and Blood Institute\|NHLBI]] }}}} The table displays BMI as a function of mass and height and may show other units of measurement (converted to [[Metric system\|metric units]] for the calculation).{{efn\|For example, in the UK where people often know their weight in [[Stone (unit)\|stone]] and height in feet and inches – see {{cite news \|url=http://news.bbc.co.uk/2/hi/health/5297790.stm \|title=Calculate your body mass index \|date=30 August 2006 \|access-date=2019-12-11 }}}} The table may also show contour lines or colours for different BMI categories.		The BMI may be determined first by measuring its components by means of a [[weighing scale]] and a [[stadiometer]]. The multiplication and division may be carried out directly, by hand or using a calculator, or indirectly using a [[lookup table]] (or chart). The table displays BMI as a function of mass and height and may show other units of measurement (converted to [[Metric system\|metric units]] for the calculation). The table may also show contour lines or colours for different BMI categories.

	The BMI is a convenient [[rule of thumb]] used to broadly categorize a person as based on tissue mass ([[muscle]], [[fat]], and [[bone]]) and height. Major adult BMI classifications are ''[[underweight]]'' (under 18.5 kg/m<sup>2</sup>), ''[[normal weight]]'' (18.5 to 24.9), ''[[overweight]]'' (25 to 29.9), and ''[[obese]]'' (30 or more). When used to predict an individual's health, rather than as a statistical measurement for groups, the BMI has [[#Limitations\|limitations]] that can make it less useful than some of the [[#Alternatives\|alternatives]], especially when applied to individuals with [[abdominal obesity]], [[short stature]], or [[Bodybuilding\|high muscle mass]].		The BMI is a convenient [[rule of thumb]] used to broadly categorize a person as based on tissue mass ([[muscle]], [[fat]], and [[bone]]) and height. Major adult BMI classifications are ''[[underweight]]'' (under 18.5 kg/m<sup>2</sup>), ''[[normal weight]]'' (18.5 to 24.9), ''[[overweight]]'' (25 to 29.9), and ''[[obese]]'' (30 or more). When used to predict an individual's health, rather than as a statistical measurement for groups, the BMI has [[#Limitations\|limitations]] that can make it less useful than some of the [[#Alternatives\|alternatives]], especially when applied to individuals with [[abdominal obesity]], [[short stature]], or [[Bodybuilding\|high muscle mass]].