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Related Concept Videos

Percentage Frequency Distribution00:57

Percentage Frequency Distribution

A percentage frequency distribution, in general, is a display of data that indicates the percentage of observations for each data point or grouping of data points. It is a commonly used method for expressing the relative frequency of survey responses and other data. The percentage frequency distributions are often displayed as bar graphs, pie charts, or tables.
The process of making a percentage frequency distribution involves the following few steps: note the total number of observations;...
Mass and Weight01:19

Mass and Weight

Mass and weight are often used interchangeably in everyday conversation. For example,  medical records often show our weight in kilograms, but never in the correct units of newtons. In physics, however, there is an important distinction. Weight is the pull of the Earth on an object. It depends on the distance from the center of the Earth. Weight dramatically varies if we leave the Earth's surface, unlike mass, which does not vary with location. On the Moon, for example, the acceleration due to...
What are Estimates?01:06

What are Estimates?

It isn't easy to measure a parameter such as the mean height or the mean weight of a population. So, we draw samples from the population and calculate the mean height or mean weight of the individuals in the sample. This sample data acts as a representative measure of the population parameter. These sample statistics are known as estimates. 
The estimate for the mean of a sample is denoted by ͞x, whereas the mean of the population is designated as μ. Further, parameters such as the mean,...
Apparent Weight01:09

Apparent Weight

True weight is the measure of the gravitational force acting on an object. However, if the object accelerates, its measured weight is different from its true weight. Similar observations can be made when the object is submerged in water. An object's weight in water is its apparent weight, which is equal to the difference between its true weight and the buoyant forces.
Consider a person standing on a bathroom scale inside an elevator. If the scale is accurate at rest, its reading equals the...
Mass and Weight01:19

Mass and Weight

Mass and weight are often used interchangeably in everyday conversation. For example,  medical records often show our weight in kilograms, but never in the correct units of newtons. In physics, however, there is an important distinction. Weight is the pull of the Earth on an object. It depends on the distance from the center of the Earth. Weight dramatically varies if we leave the Earth's surface, unlike mass, which does not vary with location. On the Moon, for example, the acceleration due to...
Life Tables01:22

Life Tables

A life table is a statistical tool that summarizes the mortality and survival patterns of a population, providing detailed insights into the likelihood of survival or death across different age intervals within a cohort. By organizing data on survival probabilities and mortality rates, life tables offer a clear snapshot of population dynamics over time. They are extensively used in demography, public health, actuarial science, and ecology to analyze life expectancy, design health interventions,...

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Updated: Jun 26, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
09:36

Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

Height-weight tables.

G G Harrison

    Annals of Internal Medicine
    |December 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    The concept of ideal body weight is complex, as lowest-risk weights vary by population and mortality cause. Current tables may not apply to individuals, prompting debate on abandoning ideal weight concepts.

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    Area of Science:

    • Public Health
    • Epidemiology
    • Biostatistics

    Background:

    • The concept of "desirable" weight is based on correlations between relative body weight and mortality.
    • Ideal or lowest-risk weights are population-specific and can change over time or by cause of mortality.
    • An individual's ideal weight cannot be precisely identified from existing generalized tables.

    Purpose of the Study:

    • To examine the validity and limitations of the "desirable" weight concept.
    • To discuss the implications of updated height-weight tables and recent mortality studies.
    • To address the ongoing debate regarding the utility of ideal weight in health assessments.

    Main Methods:

    • Analysis of existing literature and actuarial data.
    • Review of updated height-weight tables for the U.S. population.
    • Examination of studies correlating body weight with mortality in defined populations.

    Main Results:

    • Existing "desirable" weight tables have limitations and may not accurately reflect individual ideal weights.
    • Recent studies show mixed results regarding the relationship between overweight and mortality.
    • Updated data and tables have refocused attention on the complexities of ideal weight determination.

    Conclusions:

    • The concept of a single "ideal" weight is problematic due to individual variability and changing data.
    • Relying solely on generalized desirable weight tables may be insufficient for accurate health risk assessment.
    • Further research is needed to refine our understanding of healthy body weight in diverse populations.