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Developing equations to predict waist circumference measurements based on the National Heart, Lung, and Blood Institute method from the World Health Organization method
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1 2021
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Source: Ann Epidemiol. 53:21-26.e1
[PDF-423.47 KB]
Details:
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Alternative Title:Ann Epidemiol
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Personal Author:
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Description:Purpose:
The purpose of the study was to convert waist circumference (WC) measurements obtained by the World Health Organization (WHO-WC) method to the National Heart, Lung, and Blood Institute (NHLBI-WC) method.
Methods:
During 2016, the National Health and Nutrition Examination Survey participants aged 20 years and older had two different WC measurements taken (n = 2405). The mean differences in the WC between the NHLBI-WC and WHO-WC measurements were calculated. Multivariable prediction models were developed to predict the NHLBI-WC from the measured WHO-WC. Sensitivity and specificity of the abdominal obesity classification (AOC) were calculated for the measured WHO-WC and the predicted NHLBI-WC. Kappa coefficients were calculated to evaluate the agreements between the AOC derived from the NHLBI-WC and from the WHO-WC and the predicted NHLBI-WC.
Results:
The mean differences between the NHLBI-WC and WHO-WC were 0.8 cm for males and 3.2 cm for females (P ≤ .05). Sensitivity of the AOC for the measured WHO-WC was 93% for males and 87% for females, and the specificity of the AOC was 97% or greater for both genders. Sensitivity and specificity of the AOC for the predicted NHLBI-WC were 95% or greater for both genders. The AOC derived from the predicted NHLBI-WC had higher agreements for both genders.
Conclusions:
The prediction equations provided may be used to predict the NHLBI-WC from the WHO-WC for comparability in WC estimates across studies.
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Pubmed ID:32835769
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Pubmed Central ID:PMC9422776
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