Population
Healthy Latvian adults aged 19–64 (n = 30)
Design
Cross-sectional
Authors
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Dietary sodium records warrant cautious interpretation in practice; leaves open whether urinary validation improves accuracy across populations.
Self-reported dietary data significantly underestimates sodium and potassium intake compared to 24-hour urinary excretion in Latvian adults, who generally exceed recommended salt limits.
Lazda et al. (2018) studied this question.
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