AI Article Synopsis
- The study explores how different patterns of BMI changes over time relate to various health risks and mortality in older adults.
- It identifies four distinct BMI trajectories: stable overweight, elevated BMI, increasing BMI, and decreasing BMI, with varying associations with conditions like diabetes and heart problems.
- The findings highlight the need to consider changes in BMI, rather than relying solely on current BMI readings, to better assess health risks in older populations.
Article Abstract
Objective: BMI is known to have an association with morbidities and mortality. Many studies have argued that identifying health risks using single BMI measures has limitations, particularly in older adults, and that changes in BMI can help to identify risks. This study identifies distinct BMI trajectories and their association with the risks of a range of morbidities and mortality.
Methods: The English Longitudinal Study of Aging provides data on BMI, mortality, and morbidities between 1998 and 2015, sampled from adults over 50 years of age. This study uses a growth-mixture model and discrete-time survival analysis, combined using a two-step approach, which is novel in this setting, to the authors' knowledge.
Results: This study identified four trajectories: "stable overweight," "elevated BMI," "increasing BMI," and "decreasing BMI." No differences in mortality, cancer, or stroke risk were found between these trajectories. BMI trajectories were significantly associated with the risks of diabetes, asthma, arthritis, and heart problems.
Conclusions: These results emphasize the importance of looking at change in BMI alongside most recent BMI; BMI trajectories should be considered where possible when assessing health risks. The results suggest that established BMI thresholds should not be used in isolation to identify health risks, particularly in older adults.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9546036 | PMC |
| http://dx.doi.org/10.1002/oby.23510 | DOI Listing |
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