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Olle Melander

Principal investigator

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Plant foods, dietary fibre and risk of ischaemic heart disease in the European prospective investigation into cancer and nutrition (EPIC) cohort

Author

  • Aurora Perez-Cornago
  • Francesca L Crowe
  • Paul N Appleby
  • Kathryn E Bradbury
  • Angela M Wood
  • Marianne Uhre Jakobsen
  • Laura Johnson
  • Carlotta Sacerdote
  • Marinka Steur
  • Elisabete Weiderpass
  • Anne Mette L Würtz
  • Tilman Kühn
  • Verena Katzke
  • Antonia Trichopoulou
  • Anna Karakatsani
  • Carlo La Vecchia
  • Giovanna Masala
  • Rosario Tumino
  • Salvatore Panico
  • Ivonne Sluijs
  • Guri Skeie
  • Liher Imaz
  • Dafina Petrova
  • J Ramón Quirós
  • Sandra Milena Colorado Yohar
  • Paula Jakszyn
  • Olle Melander
  • Emily Sonestedt
  • Jonas Andersson
  • Maria Wennberg
  • Dagfinn Aune
  • Elio Riboli
  • Matthias B Schulze
  • Emanuele di Angelantonio
  • Nicholas J Wareham
  • John Danesh
  • Nita G Forouhi
  • Adam S Butterworth
  • Timothy J Key

Summary, in English

BACKGROUND: Epidemiological evidence indicates that diets rich in plant foods are associated with a lower risk of ischaemic heart disease (IHD), but there is sparse information on fruit and vegetable subtypes and sources of dietary fibre. This study examined the associations of major plant foods, their subtypes and dietary fibre with risk of IHD in the European Prospective Investigation into Cancer and Nutrition (EPIC).

METHODS: We conducted a prospective analysis of 490 311 men and women without a history of myocardial infarction or stroke at recruitment (12.6 years of follow-up, n cases = 8504), in 10 European countries. Dietary intake was assessed using validated questionnaires, calibrated with 24-h recalls. Multivariable Cox regressions were used to estimate hazard ratios (HR) of IHD.

RESULTS: There was a lower risk of IHD with a higher intake of fruit and vegetables combined [HR per 200 g/day higher intake 0.94, 95% confidence interval (CI): 0.90-0.99, P-trend = 0.009], and with total fruits (per 100 g/day 0.97, 0.95-1.00, P-trend = 0.021). There was no evidence for a reduced risk for fruit subtypes, except for bananas. Risk was lower with higher intakes of nuts and seeds (per 10 g/day 0.90, 0.82-0.98, P-trend = 0.020), total fibre (per 10 g/day 0.91, 0.85-0.98, P-trend = 0.015), fruit and vegetable fibre (per 4 g/day 0.95, 0.91-0.99, P-trend = 0.022) and fruit fibre (per 2 g/day 0.97, 0.95-1.00, P-trend = 0.045). No associations were observed between vegetables, vegetables subtypes, legumes, cereals and IHD risk.

CONCLUSIONS: In this large prospective study, we found some small inverse associations between plant foods and IHD risk, with fruit and vegetables combined being the most strongly inversely associated with risk. Whether these small associations are causal remains unclear.

Department/s

  • EXODIAB: Excellence in Diabetes Research in Sweden
  • EpiHealth: Epidemiology for Health
  • Cardiovascular Research - Hypertension
  • Nutrition Epidemiology

Publishing year

2021

Language

English

Pages

212-222

Publication/Series

International Journal of Epidemiology

Volume

50

Issue

1

Document type

Journal article

Publisher

Oxford University Press

Topic

  • Cancer and Oncology
  • Nutrition and Dietetics

Status

Published

Research group

  • Cardiovascular Research - Hypertension
  • Nutrition Epidemiology

ISBN/ISSN/Other

  • ISSN: 1464-3685