Challenges and benefits of using the HeartDiet food frequency questionnaire in cardiac rehabilitation practice

Marianne B. Kristensen*, Cecilie L. Egholm, Heidi S. Vistisen, Britt Borregaard, Sofie M. Bruvik, M. Bertelsen Birgitte, Eva Myrup, Tanja Mortensen, Lone Viggers, Rikke E. Mols, Helle Kanstrup, Ann-Dorthe Zwisler

*Corresponding author for this work

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Abstract

Background and aims: A heart-healthy diet is an important component of secondary prevention in ischemic heart disease. The Danish Health Authority recommends using the validated 19-item food frequency questionnaire HeartDiet in cardiac rehabilitation practice to assess patients' need for dietary interventions, and HeartDiet has been included in national electronic patient-reported outcome instruments for cardiac rehabilitation. This study aims to evaluate challenges and benefits of its use. The objectives are to: 1) describe HeartDiet responses of patients with ischemic heart disease and discuss HeartDiet's suitability as a screening tool, 2) discuss whether an abridged version should replace HeartDiet. Methods and results: A cross-sectional study using data from a national feasibility test. HeartDiet was sent electronically to 223 patients with ischemic heart disease prior to cardiac rehabilitation. Data were summarised with descriptive statistics, and Spearman's rank correlations, explorative factor analysis, and Cohen's kappa coefficient were used to derive and evaluate abridged versions. The response rate was 68 % (n = 151). Evaluated with HeartDiet, no respondents had a heart-healthy diet. There was substantial agreement between HeartDiet and an abridged 9-item version (kappa = 0.6926 for Fat Score, 0.6625 for FishFruitVegetable Score), but the abridged version omits information on milk products, wholegrain, nuts, and sugary snacks. Conclusion: With the predefined cut-offs, HeartDiet's suitability as a screening tool to assess needs for dietary interventions was limited, since no respondents were categorised as having a heart-healthy diet. An abridged version can replace HeartDiet, but the tool's educational potential will be compromised, since important items will be omitted.

Original languageEnglish
JournalNutrition, Metabolism and Cardiovascular Diseases
Volume34
Issue number8
Pages (from-to)1968-1975
ISSN0939-4753
DOIs
Publication statusPublished - Aug 2024

Keywords

  • Dietary habits
  • Dietary treatment
  • Ischemic heart disease
  • Needs assessment
  • Nutrition
  • Patient-reported outcome

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