Dataset Information

Relative validity and reliability of a diet risk score (DRS) for clinical practice.

ABSTRACT:

Introduction

Adherence to cardioprotective dietary patterns can reduce risk for developing cardiometabolic disease. Rates of diet assessment and counselling by physicians are low. Use of a diet screener that rapidly identifies individuals at higher risk due to suboptimal dietary choices could increase diet assessment and brief counselling in clinical care.

Methods

We evaluated the relative validity and reliability of a 9-item diet risk score (DRS) based on the Healthy Eating Index (HEI)-2015, a comprehensive measure of diet quality calculated from a 160-item, validated food frequency questionnaire (FFQ). We hypothesised that DRS (0 (low risk) to 27 (high risk)) would inversely correlate with HEI-2015 score. Adults aged 35 to 75 years were recruited from a national research volunteer registry (ResearchMatch.org) and completed the DRS and FFQ in random order on one occasion. To measure reliability, participants repeated the DRS within 3?months.

Results

In total, 126 adults (87% female) completed the study. Mean HEI-2015 score was 63.3 (95% CI: 61.1 to 65.4); mean DRS was 11.8 (95% CI: 10.8 to 12.8). DRS and HEI-2015 scores were inversely correlated (r=-0.6, p<0.001; R²=0.36). The DRS ranked 37% (n=47) of subjects in the same quintile, 41% (n=52) within ±1 quintile of the HEI-2015 (weighted ?: 0.28). The DRS had high reliability (n=102, ICC: 0.83). DRS mean completion time was 2?min.

Conclusions

The DRS is a brief diet assessment tool, validated against a FFQ, that can reliably identify patients with reported suboptimal intake. Future studies should evaluate the effectiveness of DRS-guided diet assessment in clinical care. Trial registration details ClinicalTrials.gov (NCT03805373).

SUBMITTER: Johnston EA

PROVIDER: S-EPMC7841834 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Publications

Relative validity and reliability of a diet risk score (DRS) for clinical practice.

Johnston Emily A EA Petersen Kristina S KS Beasley Jeannette M JM Krussig Tobias T Mitchell Diane C DC Van Horn Linda V LV Weiss Rick R Kris-Etherton Penny M PM

BMJ nutrition, prevention & health 20201008 2

<h4>Introduction</h4>Adherence to cardioprotective dietary patterns can reduce risk for developing cardiometabolic disease. Rates of diet assessment and counselling by physicians are low. Use of a diet screener that rapidly identifies individuals at higher risk due to suboptimal dietary choices could increase diet assessment and brief counselling in clinical care.<h4>Methods</h4>We evaluated the relative validity and reliability of a 9-item diet risk score (DRS) based on the Healthy Eating Index ...[more]

PMID: 33521537

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Dataset Information

Relative validity and reliability of a diet risk score (DRS) for clinical practice.

Introduction

Methods

Results

Conclusions

Publications

Relative validity and reliability of a diet risk score (DRS) for clinical practice.

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