Letters

Obesity in middle age and future risk of dementia: Authors' reply

BMJ 2005; 331 doi: https://doi.org/10.1136/bmj.331.7514.455-a (Published 18 August 2005) Cite this as: BMJ 2005;331:455
  1. Rachel Whitmer, gerontological epidemiologist (raw@dor.kaiser.org),
  2. Charles P Quesenberry Jr, senior biostatistician,
  3. Kristine Yaffe, associate professor
  1. Division of Research, Kaiser Permanente, Oakland, CA 94612, USA
  2. Division of Research, Kaiser Permanente, Oakland, CA 94612, USA
  3. Department of Psychiatry, University of California, San Francisco, CA, USA

    EDITOR—The study that Goble referenced as also investigating midlife obesity and dementia was conducted in subjects with obesity measurements at age 70.1

    Goble questions whether the midlife health status of those who left the health plan was similar to those who remained, and the comparison of dementia cases between this study and another from the same cohort.2 The midlife physical characteristics (cholesterol, blood pressure, and diabetes) did not differ between those who left or stayed in the plan. The eight count difference in dementia cases in our two studies is the result of a …

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