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Alternative names Return to top
Weight and height tablesDefinition Return to top
Information Return to top
Functions:
The function of a height and weight table is to help determine if weight is within an appropriate range for height and frame size. These tables are based on actuarial data from the National Center for Health Statistics (for infants, children and adolescents) and the Metropolitan Life Insurance Company (for adults). The Life Insurance statistics attempt to describe which "desirable" or "ideal" weight is the weight for height of insured persons with the longest life spans. These tables do not tend to take into account differences among races.
A measurement that is more commonly used today is body mass index (BMI). The BMI is thought to be a more accurate reflection of total body fat the comparison of height and weight measurements. The BMI, however, is also subject to errors such as that seen with body builders.
Weight loss or weight gain is classified by the percent of total body weight (actual weight, not the ideal weight) that is lost or gained. To calculate:
Take the amount of weight lost (or gained) divided by the previous (actual normal weight), and times by 100.
20/140 x 100 = loss of 14% of total body weight.
Obesity is classified by the percent over the ideal body weight.
The difference between the actual weight and the ideal weight is divided by the ideal weight, then times 100 to get the percent overweight.
For example, an ideal weight of 120 with an actual weight of 150 would be calculated this way:
150 - 120 = 30
30/120 x 100 = 25% overweight
Determining desirable body weight:
If the tables are not available, a simple way to determine desirable body weight is as follows:
Determining frame size:
To determine the body frame size, measure the wrist with a tape measure and use the following chart to determine whether the person is small, medium, or large boned.
Women:
Men:
Using the above formula, you can determine your desirable body weight. The formula provides an approximate desirable body weight for height. The weight range can vary on an individual basis.
These tables are only appropriate to use with adults. For children, the height, weight, and head circumference should be measured and plotted in relationship to age on a growth chart at each well child check from 2 weeks through 3 years of age. After age 3, only the height and weight are measured and recorded. Each individual growth measurement is not that helpful to the pediatrician, but the pattern of growth over time is extremely important.
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Page last updated: 28 October 2004 |