A study in Nutrients by Paterson K et al estimated mean population salt intake in a sub-national sample in Vanuatu.
Mean salt intake was estimated to be 7.2 g/day from spot urine samples (n=483), and 5.9 g/day from 24-h urine samples (n=71). Men had higher salt intakes than women, based on spot urine samples.
Due to the small sample size of the 24-h urine samples, the authors suggested future research was still needed to obtain a more accurate estimate. However, the study was able to determine that salt intake was above the 5g/day recommended daily maximum.
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