December 1, 1988Journal of Hypertension
Salt intake and blood pressure in the general population: a controlled intervention trial in two towns
Why the study?
Does a community-level low-sodium intervention reduce urinary sodium excretion and blood pressure in the general population?
Population
General population in two Belgian towns (n=2211 subjects examined)
Comparison
Community-level low-sodium intervention… vs Control town (merely observed)
Design
Cross-sectional
Follow-up
5 years
Authors
Discussion
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Member takes
Implication
Community sodium reduction lowered urinary excretion in women without added BP benefit; leaves open intervention efficacy on population hypertension.
Structured PICO
Does a community-level low-sodium intervention reduce urinary sodium excretion and blood pressure in the general population?
P
Population
General population in two Belgian towns (n=2211 subjects examined)
I
Intervention
Community-level low-sodium intervention implemented through mass media techniques, mainly directed at women
C
Comparator
Control town (merely observed)
O
Outcome
24-h urinary excretion of sodium (UVNa) and blood pressure (systolic and diastolic)surrogate
A community-based mass media intervention successfully reduced urinary sodium excretion in women but did not result in a greater reduction in blood pressure compared to a control community.
Cite This Study
Staessen et al. (1988) studied this question.