Journal
JOURNAL OF CLINICAL HYPERTENSION
Volume 23, Issue 4, Pages 744-754Publisher
WILEY
DOI: 10.1111/jch.14147
Keywords
hour urinary sodium; dietary sodium intake; population survey; potassium; Thailand
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Funding
- Thai Health Promotion Foundation
- WHO from the Resolve to Save Lives
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Thailand aims to reduce population sodium intake by 30% by 2025, but lacks nationally representative data for monitoring. Analysis showed Thai adults consume nearly double the recommended dietary sodium levels, with consumption associated with age, education, BMI, and hypertension.
Thailand has committed to reducing population sodium intake by 30% by 2025. However, reliable nationally representative data are unavailable for monitoring progress toward the goal. We estimated dietary sodium consumption using 24-hour urinary analyses in a nationally representative, cross-sectional population-based survey. We selected 2388 adults (aged >= 18 years) from the North, South, North-east, Central Regions, and Bangkok, using multi-stage cluster sampling. Mean sodium excretion was inflated by 10% to adjust for non-urinary sources. Multivariate logistic regression was performed to assess factors associated with sodium consumption >= 2000 mg. Among 1599 (67%) who completed urine collection, mean age was 43 years, 53% were female, and 30% had hypertension. Mean dietary sodium intake (mg/day) was 3636 (+/- 1722), highest in South (4108 +/- 1677), and lowest in North-east (3316 +/- 1608). Higher sodium consumption was independently associated with younger age (Adjusted Odds Ratio (AOR) 2.81; 95% Confidence interval (CI): 1.53-5.17; p = .001); higher education (AOR 1.79; 95% CI: 1.19-2.67; p = .005), BMI >= 25 (AOR 1.55; 95% CI: 1.09-2.21; p=.016), and hypertension (AOR 1.58; 95% CI: 1.02-2.44; p = .038). Urine potassium excretion was 1221 mg/day with little variation across Regions. Estimated dietary sodium consumption in Thai adults is nearly twice as high as recommended levels. These data provide a benchmark for future monitoring.
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