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Table 1 Cross-Classification of Measured BMI and Self-Reported BMI for Standard BMI Categories*

From: Accuracy and usefulness of BMI measures based on self-reported weight and height: findings from the NHANES & NHIS 2001-2006

 

Measured BMI:

Self Reported BMI:

Under-weight

< 18.5

Normal Weight

18.5 < 25

Over-

weight

25 < 30

Obese

30 < 40

Extreme Obesity

40+

< 18.5

56.5%

1.5%

0.1%

0.0%

0.0%

18.5 < 25

43.5%

90.4%

16.0%

0.8%

0.0%

25 < 30

0.0%

8.0%

78.9%

19.0%

0.3%

30 < 40

0.0%

0.1%

5.1%

78.5%

27.8%

40+

 

0.0%

0.0%

1.6%

71.9%

N = 15161; Population Size: 193,275,651

  1. * Measured BMI was calculated using physical measurements of height and weight;
  2. Self-reported BMI was calculated using self-reported height and weight.
  3. Source: National Health and Nutrition Examination Survey, 2001-2006. National Center for Health Statistics, CDC
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BMC Public Health

ISSN: 1471-2458

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