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Table 1 Details of salt substitution strategies including estimated uptake, cost, resources and coverage

From: The cost-effectiveness of government actions to reduce sodium intake through salt substitutes in Vietnam

Parameter Voluntary Subsidised Regulatory
Description Companies that make target products* voluntarily introduce new products low sodium products with potassium chloride. Government subsidisation of potassium chloride to equal cost of salt – allowing manufacturers to use potassium chloride in target products* as a salt substitute. Legislation requiring all target products* to have a portion of their sodium content replaced by potassium chloride.
Industry uptake Assumed to be low Assumed to be moderate Assumed to be high
Cost Extra cost of low sodium products is passed onto consumers Borne by Government (for subsidy). Manufacturers are assumed to produce and sell low salt products at a similar price to regular products and therefore no extra cost is passed onto consumers Borne by Government (for legislation) and manufacturers (for production). Low salt products are assumed to be sold at a similar price
Proportion of target products* reformulated with potassium chloride 30% 50% 100%
Proportion of people choosing reformulated target products* 5% 44% 100%
Media and communications campaign Not included Included Not included