Association between coffee drinking and telomere length in the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial

Bella Steiner, Leah M Ferrucci, Lisa Mirabello, Qing Lan, Wei Hu, Linda M Liao, Sharon A Savage, Immaculata De Vivo, Richard B Hayes, Preetha Rajaraman, Wen-Yi Huang, Neal D Freedman and Erikka Loftfield

PLOS ONE, 2020, vol. 15, issue 1, 1-14

Abstract: Mounting evidence indicates that coffee, a commonly consumed beverage worldwide, is inversely associated with various chronic diseases and overall mortality. Few studies have evaluated the effect of coffee drinking on telomere length, a biomarker of chromosomal integrity, and results have been inconsistent. Understanding this association may provide mechanistic insight into associations of coffee with health. The aim of our study was to test the hypothesis that heavier coffee intake is associated with greater likelihood of having above-median telomere length. We evaluated the cross-sectional association between coffee intake and relative telomere length using data from 1,638 controls from four previously conducted case-control studies nested in the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial. Coffee intake was assessed using a food frequency questionnaire, and relative telomere length was measured from buffy-coat, blood, or buccal cells. We used unconditional logistic regression models to generate multivariable-adjusted, study-specific odds ratios for the association between coffee intake and relative telomere length. We then conducted a random-effects meta-analysis to determine summary odds ratios. We found that neither summary continuous (OR = 1.01, 95% CI = 0.99–1.03) nor categorical (OR

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0226972

DOI: 10.1371/journal.pone.0226972

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