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https://hdl.handle.net/2440/111909
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Type: | Journal article |
Title: | Association between body mass index and all-cause mortality among oldest old Chinese |
Author: | Wang, J. Taylor, A. Zhang, T. Appleton, S. Shi, Z. |
Citation: | Journal of Nutrition, Health and Aging, 2018; 22(2):262-268 |
Publisher: | Springer |
Issue Date: | 2018 |
ISSN: | 1279-7707 1760-4788 |
Statement of Responsibility: | J. Wang, A. W. Taylor, T. Zhang, S. Appleton, Zumin Shi |
Abstract: | Objectives: To examine the association between BMI and all-cause mortality in the oldest old (≥80 years). Design: The study used a prospective cohort study design. Setting: Chinese Longitudinal Healthy Longevity Survey (CLHLS) between 1998/99 and 2011. Population: 8026 participants aged 80 years and older were followed every two to three years. Measurements: Body weight and knee height were measured. Height was calculated based on knee height using a validated equation. Deaths were ascertained from family members during follow-up. Results: The mean BMI was 19.8 (SD 4.5) kg/m2. The prevalence of underweight, overweight and obese was 37.5%, 10.2% and 4.4%, respectively. There were 5962 deaths during 29503 person-years of follow-up. Compared with normal weight, underweight was associated with a higher mortality risk (HRs: 1.20 (95%CI 1.13-1.27) but overweight (HR 0.89 (95%CI 0.81-0.99)) were associated with a lower risk. Obesity had a HR 0.91 (95%CI 0.78-1.05) for mortality. Conclusion: Among oldest old Chinese, underweight is associated with an increased risk of all-cause mortality but overweight is associated with a reduced risk. Interventions to reduce undernutrition should be given priority among the oldest old Chinese. |
Keywords: | Body mass index Chinese all-cause mortality cohort study older adults |
Rights: | © Serdi and Springer-Verlag France 2017 |
DOI: | 10.1007/s12603-017-0907-2 |
Published version: | http://dx.doi.org/10.1007/s12603-017-0907-2 |
Appears in Collections: | Aurora harvest 8 Medicine publications |
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