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Tinned fruit consumption and mortality in three prospective cohorts.


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Authors

Aasheim, Erlend T 
Sharp, Stephen J 
Appleby, Paul N 
Shipley, Martin J 
Lentjes, Marleen AH 

Abstract

Dietary recommendations to promote health include fresh, frozen and tinned fruit, but few studies have examined the health benefits of tinned fruit. We therefore studied the association between tinned fruit consumption and mortality. We followed up participants from three prospective cohorts in the United Kingdom: 22,421 participants from the European Prospective Investigation into Cancer and Nutrition (EPIC)-Norfolk cohort (1993-2012), 52,625 participants from the EPIC-Oxford cohort (1993-2012), and 7440 participants from the Whitehall II cohort (1991-2012), all reporting no history of heart attack, stroke, or cancer when entering these studies. We estimated the association between frequency of tinned fruit consumption and all cause mortality (primary outcome measure) using Cox regression models within each cohort, and pooled hazard ratios across cohorts using random-effects meta-analysis. Tinned fruit consumption was assessed with validated food frequency questionnaires including specific questions about tinned fruit. During 1,305,330 person years of follow-up, 8857 deaths occurred. After adjustment for lifestyle factors and risk markers the pooled hazard ratios (95% confidence interval) of all cause mortality compared with the reference group of tinned fruit consumption less often than one serving per month were: 1.05 (0.99, 1.12) for one to three servings per month, 1.10 (1.03, 1.18) for one serving per week, and 1.13 (1.04, 1.23) for two or more servings per week. Analysis of cause-specific mortality showed that tinned fruit consumption was associated with mortality from cardiovascular causes and from non-cardiovascular, non-cancer causes. In a pooled analysis of three prospective cohorts from the United Kingdom self-reported tinned fruit consumption in the 1990s was weakly but positively associated with mortality during long-term follow-up. These findings raise questions about the evidence underlying dietary recommendations to promote tinned fruit consumption as part of a healthy diet.

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Keywords

Adult, Aged, Aged, 80 and over, Cause of Death, Diet, Feeding Behavior, Female, Food, Preserved, Fruit, Humans, Male, Middle Aged, Mortality, Proportional Hazards Models, Prospective Studies, Public Health Surveillance, Risk Factors, Surveys and Questionnaires, United Kingdom, Young Adult

Journal Title

PLoS One

Conference Name

Journal ISSN

1932-6203
1932-6203

Volume Title

2

Publisher

Public Library of Science (PLoS)
Sponsorship
Medical Research Council (G0401527)
Medical Research Council (G1000143)
Medical Research Council (MC_UU_12015/1)
Medical Research Council (G0500300)
MRC (UD99999933)
Medical Research Council (MC_U106179471)
Cancer Research Uk (None)
Medical Research Council (G0401527/1)
Cancer Research Uk (None)
EPIC-Norfolk is supported by the Medical Research Council (grant numbers G1000143, G0401527, G9502233, G0300128) and Cancer Research UK (grant numbers C864/A14136, C865/A2883). EPIC-Oxford is supported by Cancer Research UK (C570/A11691). Whitehall II has been supported by grants from the Medical Research Council; the British Heart Foundation; the British Health and Safety Executive; the British Department of Health; the National Heart, Lung, and Blood Institute (R01HL036310); and the National Institute on Aging at the US National Institutes of Health (NIH). ETA is supported by an academic clinical fellowship awarded by the United Kingdom National Institute for Health Research. EB is funded by the British Heart Foundation. MAHL received grants from Cancer Research UK, and Medical Research Council. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.