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OP1 Cost-effectiveness of the FDA salt reduction targets for the processed food industry: are there internal incentives to reformulate?
  1. B Collins1,
  2. C Kypridemos1,
  3. J Pearson-Stuttard1,
  4. Y Huang2,
  5. P Bandosz1,
  6. S Capewell1,
  7. D Mozaffarian2,
  8. L Whitsel3,
  9. R Micha2,
  10. M O’Flaherty1,
  11. P Wilde2,
  12. R Kerch4
  1. 1Public Health and Policy, University of Liverpool, Liverpool, UK
  2. 2Friedman School of Nutrition Science and Policy, Tufts University, Boston, USA
  3. 3American Heart Association, American Heart Association, Washington DC, USA
  4. 4Wake Forest University, Winston, Salem, USA


Background In 2016, the US Food & Drug Administration (FDA) proposed voluntary industry reductions in salt, a major modifiable risk factor for CVD, for processed foods. Yet, reformulation could cost the food industry up to $16 bn over 10 years, perhaps partly explaining why in 2017 Congress blocked the FDA from implementing these long-term voluntary targets.

Aim To estimate the potential health gains and health-related cost savings for food industry employees from the FDA salt targets. We defined the industry perspective as including all costs to the food industry and all health-related costs and health benefits to people working in the industry.

Methods Utilizing the validated US IMPACT Food Policy dynamic microsimulation model, we estimated QALYs gained, costs, and incremental cost effectiveness ratios (incremental cumulative cost per QALY gained, with costs and QALYs discounted at 3%) from 2017–2036 in individuals working in the wider food system (food services and drinking places; food and beverage stores; food manufacturing) and the subset of food manufacturing. Data sources included NHANES, matched to demographic data for workers from the American Community Survey, and meta-analyses of salt effects on blood pressure and blood pressure on CVD. Costs included industry reformulation costs, government costs, and health-related costs (healthcare, productivity, informal care) for individuals working in the industry.

We modelled the FDA salt targets under 2 scenarios:

  1. Short–term, 100% compliance of 2-year reformulation targets with no further progress.

  2. Long–term, 100% compliance of 10-year reformulation targets.

We tested our assumptions with probabilistic sensitivity analysis.

Results Achieving the short-term, 2-year reformulation targets would generate net discounted industry costs of ∼$7 bn, health-related cost savings of ∼$1.7 bn (95% UI: $1.0 bn, $2.9 bn) and health gains of ∼60 000 QALYs (50 000, 77 000) over 20 years, with an ICER of ∼$85 000 ($12 000, $243 000) per QALY gained. Achieving the long-term salt reduction targets could result in industry costs of ∼$16 bn, health-related cost savings of approximately $5.1 bn ($3.4 bn, $8.3 bn), and industry health gain of ∼1 80 000 (149 000, 209 000) QALYs, with an ICER of ∼$60 000 ($2 000, $168 000).

For the subset of food manufacturing, the long-term salt reduction targets would lead to health-related savings of ∼$1 bn ($0.6 bn, $1.6 bn) and ∼32 000 (27 000, 37 000) QALYs gained with an ICER of $4 89 000 ($160 000, $1 052 000).

Conclusion Sustained salt reduction is estimated to benefit the overall food industry with a healthier workforce and partly offset the reformulation costs for the subset of the processed food industry.

  • Salt
  • cost-effectiveness
  • food industry
  • cardiovascular disease

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