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The influence of age on the BMI and all-cause mortality association: a meta-analysis

Winter, J.E., MacInnis, R.J. and Nowson, C.A. 2016, The influence of age on the BMI and all-cause mortality association: a meta-analysis, Journal of nutrition, health and aging, In Press, pp. 1-5, doi: 10.1007/s12603-016-0837-4.

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Title The influence of age on the BMI and all-cause mortality association: a meta-analysis
Author(s) Winter, J.E.
MacInnis, R.J.
Nowson, C.A.ORCID iD for Nowson, C.A.
Journal name Journal of nutrition, health and aging
Season In Press
Start page 1
End page 5
Total pages 5
Publisher Springer
Place of publication Berlin, Germany
Publication date 2016-11-07
ISSN 1279-7707
Summary Objectives: To assess BMI range with the lowest mortality for those aged <65 years and those >65 years, utilising cohort studies that spanned the entire adult age range.

Design: A two-stage random effects meta-analysis of studies that reported mortality in cohorts both ≥65 years and <65 years. Setting / Participants: Community living adults aged ≥65 and <65 years.

Results: Eight studies were included with a total of 370 416 subjects (306 340 aged <65 years; 64 076 ≥65 years). In the older age group, mortality risk increased at BMIs lower than 22 (BMI range 21.0-21.9: hazard ratio (HR) (95% confidence interval (CI)): 1.05 (1.03, 1.07)), which was not seen in younger adults. In the younger group, mortality increased from BMI range 28.0-28.9 (HR (95% CI): 1.13 (1.00, 1.29)), but mortality did not tend to increase significantly in the older group at BMIs above 23.

Conclusion: The recommended healthy weight range is appropriate for younger and middle aged adults but a higher BMI range should be recommended for older adults based on mortality.
Language eng
DOI 10.1007/s12603-016-0837-4
Field of Research 111101 Clinical and Sports Nutrition
Socio Economic Objective 920411 Nutrition
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Springer
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Document type: Journal Article
Collection: School of Exercise and Nutrition Sciences
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Created: Fri, 16 Dec 2016, 09:54:03 EST

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