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Diet quality and telomere length in older Australian men and women

Milte, Catherine M., Russell, Aaron P., Ball, Kylie, Crawford, David, Salmon, Jo and McNaughton, Sarah A. 2018, Diet quality and telomere length in older Australian men and women, European journal of nutrition, vol. 57, no. 1, pp. 363-372, doi: 10.1007/s00394-016-1326-6.

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Title Diet quality and telomere length in older Australian men and women
Author(s) Milte, Catherine M.ORCID iD for Milte, Catherine M. orcid.org/0000-0003-0035-6405
Russell, Aaron P.ORCID iD for Russell, Aaron P. orcid.org/0000-0002-7323-9501
Ball, KylieORCID iD for Ball, Kylie orcid.org/0000-0003-2893-8415
Crawford, DavidORCID iD for Crawford, David orcid.org/0000-0002-2467-7556
Salmon, JoORCID iD for Salmon, Jo orcid.org/0000-0002-4734-6354
McNaughton, Sarah A.ORCID iD for McNaughton, Sarah A. orcid.org/0000-0001-5936-9820
Journal name European journal of nutrition
Volume number 57
Issue number 1
Start page 363
End page 372
Total pages 10
Publisher Springer
Place of publication Berlin, Germany
Publication date 2018-02
ISSN 1436-6215
Keyword(s) Ageing
Diet
Diet quality
Mediterranean diet
Telomere length
Science & Technology
Life Sciences & Biomedicine
Nutrition & Dietetics
MIDDLE-AGED WOMEN
PREDIMED-NAVARRA
PROSTATE-CANCER
EATING PATTERNS
NATIONAL-HEALTH
ADULT HEALTH
RISK-FACTORS
ASSOCIATIONS
MORTALITY
Summary Purpose
Telomere length is a biomarker of cellular ageing, with longer telomeres associated with longevity and reduced risk of chronic disease in older age. Consumption of a healthy diet may contribute to longevity via its impact on cellular ageing, but studies on diet and telomere length to date have been limited and their findings equivocal. The aim of this study was to examine associations between three indices of diet quality and telomere length in older men and women.

Methods
Adults aged 57–68 years participating in the Wellbeing, Eating and Exercise for a Long Life (WELL) study in Victoria, Australia (n = 679), completed a postal survey including an 111-item food frequency questionnaire in 2012. Diet quality was assessed via three indices: the Dietary Guideline Index, the Recommended Food Score, and the Mediterranean Diet Score. Relative telomere length was measured by quantitative polymerase chain reaction. Associations between diet quality and telomere length were assessed using linear regression adjusted for covariates.

Results
After adjustment for age, sex, education, smoking, physical activity, and body mass index (BMI), there were no significant associations between diet quality and relative telomere length.

Conclusions
In a sample of older adults residing in Victoria, Australia, men and women aged 57–68 years with better-quality diets did not have longer telomeres. Further investigation in longitudinal studies will determine whether diet can influence telomere length over time in an ageing population.
Language eng
DOI 10.1007/s00394-016-1326-6
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
1111 Nutrition And Dietetics
Socio Economic Objective 920411 Nutrition
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID ARC DP1095595
ARC FT100100581
NHMRC ID 1042442
NHMRC ID 1104636
NHMRC APP1026216
Copyright notice ©2016, Springer
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30088672

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.