HWDIHeat Wave Duration Index
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References in periodicals archive ?
In our study, HWDI, a relatively new obesity measurement indicator, was found to have an inverse relationship with BF% in both men and women.
Results of this study showed that the relationship between HWDI and BF% was linear, whereas other researchers have reported different forms in the relationship between BMI and BF%, such as a curvilinear one [16,27].
Although the units in the mathematical operation in HWDI are not the same (subtracting height (in cm) from body weight (in kg)), our objective was to use HWDI as an index to predict BF% rather than using it to indicate BF% directly.
We compared the adjusted [R.sup.2] and SEE of the BF% predictive model for both genders as a function of HWDI and age to a predictive model as a function of BMI and age.
[30] proposed HWDI to screen obesity for each age group by gender.
In our study, we have extended sensitivity and specificity analyses of BMI to compare them with HWDI, while at the same time referring to BF% as the gold standard.
Our predictive model derived in this study uses HWDI since it is more accurate and easier to use than BMI.
Azizi, "Validation study of Height-Weight Difference Index (HWDI) for screening underweight and obesity status in Tehranian adults," Research in Medicine, vol.
Caption: Figure 1: Relationship between (a) mean BMI and age, (b) mean HWDI and age, and (c) mean body-fat percentage and age, stratified by gender, (O) for women and (*) for men.
Caption: Figure 2: Relationship between (a) HWDI and body-fat percentage and (b) BMI and body-fat percentage, (O) for women and (*) for men.
Caption: Figure 3: HWDI and body-fat percentage in relation to age and gender.