Re:Excess weight, obesity more deadly than previously believed
by Someone1234 on Friday February 24, 2023 @05:32PM
(#34931093)
> Previously believed by whom?
The previous data/methodology. The whole point of the study was to look at three untracked externalities[0] in BMI-outcome research. They used historical NHANES data combined 2015 data on mortality data.
> (1) confounding bias from heterogeneity in body shape; (2) positive survival bias in high-BMI samples due to recent weight gain; and (3) negative survival bias in low-BMI samples due to recent weight loss.
The previous data/methodology. The whole point of the study was to look at three untracked externalities[0] in BMI-outcome research. They used historical NHANES data combined 2015 data on mortality data.
> (1) confounding bias from heterogeneity in body shape; (2) positive survival bias in high-BMI samples due to recent weight gain; and (3) negative survival bias in low-BMI samples due to recent weight loss.
https://www.tandfonline.com/doi/abs/10.1080/00324728.2023.21...