Validation of salt intake measurements
Comparisons of a food record checklist and spot-urine collection to 24-h urine collection
Bibliographic Data
| ID | 15095015 |
|---|---|
| Authors | Sigrid Beer-Borst (0000-0002-0997-6101, University of Bern, corresponding author), Stefanie Hayoz (0000-0002-2265-6559, University of Bern), Corinna Gréa Krause, Corinna Krause (University of Bern), Pasquale Strazzullo (0000-0001-8400-6458) |
| Year | 2022 |
| Volume | 25 |
| Issue | 11 |
| Pages | 2983-2994 |
| Publication date | 2022-11-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Public Health Nutrition (JOURNAL) |
| Journal identifiers | ISSN: 1368-9800 • E-ISSN: 1475-2727 |
| Publisher | Cambridge University Press (CUP) (PUBLISHER) |
| DOI | 10.1017/s1368980022001537 |
| PMID | 35850716 |
| OpenAlex | W4285798697 |
| Language | EN |
| References cited | 30 |
Objective: Monitoring population salt intake is operationally and economically challenging. We explored whether a questionnaire assessment and a prediction of Na intake from spot-urine could replace or complement the recommended measurement of Na in 24-h urine (24-h U). Design: Compare the agreement of a Na-specific food record checklist (FRCL) and a late-afternoon spot-urine measurement (PM-spot) with 24-h U measurement in estimating Na intake at group level. Each participant’s use of these methods extended over 3 d. Agreement was assessed using mean (95 % CI) differences, linear regression models and Bland–Altman plots. Setting: The validation study was part of a 1-year workplace intervention trial to lower salt intake in Switzerland. Participants: Seventy women and 71 men, aged 21–61 years, completed three FRCL, and acceptable PM-spot and 24-h U samples at baseline (April–October 2015). Results: Mean Na intake estimates varied slightly across methods (3·5–3·9 g/d). Mean Na intake differences from 24-h U were 0·2 (95 % CI (0, 0·5)) g/d for FRCL and 0·4 (95 % CI (0·2, 0·6)) g/d for PM-spot. Linear regression models and Bland–Altmann plots more clearly depicted differences by sex and discretionary salt use. Conclusions: Although 24-h U remains the best reference method for monitoring Na intake at the population level, PM-spot and FRCL might be more practical instruments for frequent, periodic Na intake assessments. Population-specific prediction models to estimate 24-h U could be developed and evaluated
Animal science · Biology · Checklist · Environmental health · Limits of agreement · Linear regression · Nuclear medicine · Population · Statistics · Urine · Consumer Attitudes and Food Labeling · Demography · Mathematics · Medicine · Nutritional Studies and Diet · Psychology · Sodium Intake and Health · Internal Medicine
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| Citation velocity | historical |
|---|---|
| Highly cited | No |