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Cost effectiveness of a government supported policy strategy to decrease sodium intake: global analysis across 183

Michael Webb¹, Saman Fahimi², Gitanjali M Singh³

¹Stanford University, Stanford, CA, USA, and Institute for Fiscal Studies, London, UK.

BMJ (Clinical Research Ed.)

|January 12, 2017

Summary

This summary is machine-generated.

Implementing government policies to reduce sodium intake globally is highly cost-effective. This strategy, combining industry agreements and public education, averts millions of disability-adjusted life years (DALYs) annually.

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Area of Science:

Public Health
Health Economics
Cardiovascular Disease Prevention

Background:

High sodium intake is a significant contributor to cardiovascular disease (CVD) globally.
Effective public health interventions are needed to reduce population-level sodium consumption.
Previous strategies have varied in success, necessitating cost-effective policy evaluations.

Purpose of the Study:

To quantify the cost-effectiveness of a global "soft regulation" policy aimed at reducing dietary sodium intake.
To evaluate this policy across 183 countries, considering industry agreements and public education.
To model the impact on cardiovascular disease burden and associated costs.

Main Methods:

A global modeling study simulating a "soft regulation" policy (industry agreements, public education) in 183 countries.
Evaluation of various sodium reduction scenarios (10% to 30% or 0.5g/day to 1.5g/day over 10 years).
Utilized the WHO Noncommunicable Disease Costing Tool and comparative risk assessment to estimate costs and disability-adjusted life years (DALYs) saved.

Main Results:

A 10% global sodium reduction was projected to avert 5.8 million DALYs/year from CVD at a mean cost of I$1.13 per capita.
The population-weighted mean cost-effectiveness ratio was approximately I$204/DALY.
Intervention was highly cost-effective globally, with 99.6% of the population living in countries where the ratio was below I$1.0 per GDP per capita.

Conclusions:

A government "soft regulation" strategy for sodium reduction is highly cost-effective worldwide.
This approach, combining industry collaboration and public awareness, offers significant public health benefits.
The cost-effectiveness remains strong even without factoring in potential healthcare savings from averted events.