Potato consumption and all-cause and cardiovascular disease mortality – a long-term follow-up of a Norwegian cohort

Author:

Arnesen Erik Kristoffer1ORCID,Laake Ida2ORCID,Carlsen Monica H.1ORCID,Veierød Marit Bragelien3ORCID,Retterstøl Kjetil4ORCID

Affiliation:

1. Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway

2. Norwegian Institute of Public Health, Oslo, Norway

3. Oslo Centre for Biostatistics and Epidemiology, Department of Biostatistics, Institute of Basic Medical Sciences, University of Oslo Faculty of Medicine, Oslo, Norway.

4. Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, and The Lipid Clinic, Department of Endocrinology, Morbid Obesity and Preventive Medicine, Oslo University Hospital, Oslo, Norway

Abstract

Abstract

Purpose. To examine the association between potato consumption and death of all-causes and cardiovascular disease (CVD) over a substantial follow-up period within a cohort predominantly consuming boiled potatoes. Methods. Adults from three Norwegian counties were invited to three health screenings in 1974–1988 (>80% attendance). Dietary data were collected using semi-quantitative food frequency questionnaires at each screening to categorize weekly potato consumption (≤6, 7–13, or ≥14 potatoes/week) and calculate daily cumulative mean intakes (grams/day). Hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated using multivariable Cox regression to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for the association between potato consumption and risk of death from all-causes, CVD, ischaemic heart disease (IHD), and acute myocardial infarction (AMI). Results. Among 78,400 subjects with a mean baseline age of 41 years, we observed 27,737 deaths, including 9,028 deaths due to CVD, over a median follow-up of 33.5 years. Subjects who consumed ≥14 potatoes/week had a lower risk of all-cause death compared to subjects consuming ≤6potatoes/week (HR=0.88; 95% CI 0.84, 0.92). Potato consumption was associated with a small, inverse risk of death due to CVD, IHD, and AMI. In continuous analyses, each 100 g/day increment was associated with 4% lower risk of death from all-causes (HR=0.96; 95% CI 0.94, 0.98) and CVD (0.96; 0.93, 0.99), along with 5% (0.95; 0.91, 1.00) and 4% lower (0.96; 0.91, 1.01) risk of IHD and AMI death, respectively. Conclusion. In this cohort with a generally high consumption of potatoes, we found modest, inverse associations between potato consumption and death of all-causes, CVD, and IHD.

Publisher

Research Square Platform LLC

Reference64 articles.

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2. The role of potatoes and potato components in cardiometabolic health: a review;McGill CR;Ann Med,2013

3. Blomhoff R, Andersen R, Arnesen EK, Christensen JJ, Eneroth H, Erkkola M et al (2023) Nordic Nutrition Recommendations 2023. Nordic Council of Ministers, Copenhagen

4. Scientific Advisory Committee on Nutrition [SACN] (2015) Carbohydrates and Health. TSO, London

5. Fruit and vegetable consumption and the risk of type 2 diabetes: a systematic review and dose-response meta-analysis of prospective studies;Halvorsen RE;BMJ Nutr Prev Health,2021

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