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Accepted manuscript

Self-report of 24-hour urine completeness compared to PABA recovery does not bias estimates of dietary salt intake in the UK

Published online by Cambridge University Press:  06 January 2026

Kerry S. Jones Open the ORCID record for Kerry S. Jones [Opens in a new window] ,
Dave Collins ,
Sarah R. Meadows ,
Damon A. Parkington ,
Albert Koulman Open the ORCID record for Albert Koulman [Opens in a new window]  and
Polly Page Open the ORCID record for Polly Page [Opens in a new window]
Kerry S. Jones*
Affiliation:
Nutritional Biomarker Laboratory, MRC Epidemiology Unit, University of Cambridge
Dave Collins
Affiliation:
Nutritional Measurement Platform, MRC Epidemiology Unit, University of Cambridge
Sarah R. Meadows
Affiliation:
Nutritional Biomarker Laboratory, MRC Epidemiology Unit, University of Cambridge
Damon A. Parkington
Affiliation:
Nutritional Biomarker Laboratory, MRC Epidemiology Unit, University of Cambridge
Albert Koulman
Affiliation:
Nutritional Biomarker Laboratory, MRC Epidemiology Unit, University of Cambridge
Polly Page
Affiliation:
Nutritional Measurement Platform, MRC Epidemiology Unit, University of Cambridge
*
Corresponding author: Kerry Jones, Nutritional Biomarker Laboratory, Clifford Allbutt Building, Cambridge Biomedical Campus, Hills Road, Cambridge, CB2 0AH
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Abstract

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The measurement of sodium excretion in 24-hour urine samples is the recommended method to assess dietary salt intake to monitor salt-related public health policies. Ensuring complete collection of 24-h urine samples is important for the accurate assessment of salt intake. We compare the use of the objective biomarker, recovery of para-aminobenzoic acid (PABA), to self-reported 24-h urine completeness.

Keywords

sodiumpotassium24-hour urinesurveypara-amino benzoic acidNational Diet and Nutrition Survey

Information

Type
Research Article
Information
British Journal of Nutrition , Accepted manuscript , pp. 1 - 22
Copyright
© The Author(s), 2026. Published by Cambridge University Press on behalf of The Nutrition Society