Abstract
To the Editor The study of 3 Danish cohorts by Dr Afzal and colleagues1 concluded that the BMI value associated with the lowest all-cause mortality increased by 3.3 in cohorts enrolled from 1976-1978 through 2003-2013. The authors used Cox proportional hazards regression to estimate hazard ratios, with age as the time scale. By doing so, the authors stated that the age differences among the 3 cohorts were automatically adjusted for. However, some concerns about the study design may directly affect the results of the study.
| Original language | English |
|---|---|
| Pages (from-to) | 991-992 |
| Number of pages | 2 |
| Journal | JAMA |
| Volume | 316 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 6 Sep 2016 |
| Externally published | Yes |
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Cite this
Wang, Z. (2016). Body Mass Index and All-Cause Mortality. JAMA, 316(9), 991-992. https://doi.org/10.1001/jama.2016.10288