Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/107158
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Type: Journal article
Title: Food habits, lifestyle factors and mortality among oldest old Chinese: the Chinese longitudinal healthy longevity survey (CLHLS)
Author: Shi, Z.
Zhang, T.
Byles, J.
Martin, S.
Avery, J.
Taylor, A.
Citation: Nutrients, 2015; 7(9):7562-7579
Publisher: Multidisciplinary Digital Publishing Institute
Issue Date: 2015
ISSN: 2072-6643
2072-6643
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Responsibility: 
Zumin Shi, Tuohong Zhang, Julie Byles, Sean Martin, Jodie C. Avery and Anne W. Taylor
Abstract: There are few studies reporting the association between lifestyle and mortality among the oldest old in developing countries. We examined the association between food habits, lifestyle factors and all-cause mortality in the oldest old (¥80 years) using data from the Chinese Longitudinal Healthy Longevity Survey (CLHLS). In 1998/99, 8959 participants aged 80 years and older took part in the baseline survey. Follow-up surveys were conducted every two to three years until 2011. Food habits were assessed using an in-person interview. Deaths were ascertained from family members during follow-up. Cox and Laplace regression were used to assess the association between food habits, lifestyle factors and mortality risk. There were 6626 deaths during 31,926 person-years of follow-up. Type of staple food (rice or wheat) was not associated with mortality. Daily fruit and vegetable intake was inversely associated with a higher mortality risk (hazard ratios (HRs): 0.85 (95% CI (confidence interval) 0.77–0.92), and 0.74 (0.66–0.83) for daily intake of fruit and vegetables, respectively). There was a positive association between intake of salt-preserved vegetables and mortality risk (consumers had about 10% increase of HR for mortality). Fruit and vegetable consumption were inversely, while intake of salt-preserved vegetables positively, associated with mortality risk among the oldest old. Undertaking physical activity is beneficial for the prevention of premature death.
Keywords: Diet; lifestyle factors; mortality; elderly; longitudinal study; Chinese
Rights: © 2015 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).
RMID: 0030035347
DOI: 10.3390/nu7095353
Appears in Collections:Medicine publications

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