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Food habits, lifestyle factors and mortality among oldest old Chinese: the Chinese longitudinal healthy longevity survey (CLHLS)

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dc.contributor.authorShi, Z.
dc.contributor.authorZhang, T.
dc.contributor.authorByles, J.
dc.contributor.authorMartin, S.
dc.contributor.authorAvery, J.
dc.contributor.authorTaylor, A.
dc.date.issued2015
dc.description.abstractThere 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.
dc.description.statementofresponsibilityZumin Shi, Tuohong Zhang, Julie Byles, Sean Martin, Jodie C. Avery and Anne W. Taylor
dc.identifier.citationNutrients, 2015; 7(9):7562-7579
dc.identifier.doi10.3390/nu7095353
dc.identifier.issn2072-6643
dc.identifier.issn2072-6643
dc.identifier.orcidShi, Z. [0000-0002-3099-3299]
dc.identifier.orcidAvery, J. [0000-0002-8857-9162]
dc.identifier.orcidTaylor, A. [0000-0002-4422-7974]
dc.identifier.urihttp://hdl.handle.net/2440/107158
dc.language.isoen
dc.publisherMultidisciplinary Digital Publishing Institute
dc.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/).
dc.source.urihttps://doi.org/10.3390/nu7095353
dc.subjectDiet; lifestyle factors; mortality; elderly; longitudinal study; Chinese
dc.titleFood habits, lifestyle factors and mortality among oldest old Chinese: the Chinese longitudinal healthy longevity survey (CLHLS)
dc.typeJournal article
pubs.publication-statusPublished

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