Why the study?
High salt intake is linked to hypertension, a major modifiable cardiovascular risk factor, prompting evaluation of a government-led, multisectoral population intervention.
Does a government-led, population-based intervention reduce dietary sodium intake and blood pressure in adults?
Population
15 350 preintervention and 16 490 postintervention adults aged 18-69 years in Shandong Province, China
Comparison
2016 postintervention vs 2011 preintervention evaluation of the SMASH program
Design
Cross-sectional study
Authors
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Supports population sodium reduction programs; extends observational data but requires RCTs to confirm outcome benefits.
Does a government-led, population-based intervention reduce dietary sodium intake and blood pressure in adults?
A province-wide, multisectoral intervention in China was associated with a 25% reduction in dietary sodium intake and modest reductions in blood pressure over 5 years.
Xu et al. (2020) studied this question.
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