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A systematic review of economic evaluations of population-based sodium reduction interventions

Hope, Silvia F., Webster, Jacqui, Trieu, Kathy, Pillay, Arti, Ieremia, Merina, Bell, Colin, Snowdon, Wendy, Neal, Bruce and Moodie, Marj 2017, A systematic review of economic evaluations of population-based sodium reduction interventions, PLoS one, vol. 12, no. 3, pp. 1-22, doi: 10.1371/journal.pone.0173600.

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Title A systematic review of economic evaluations of population-based sodium reduction interventions
Author(s) Hope, Silvia F.
Webster, Jacqui
Trieu, Kathy
Pillay, Arti
Ieremia, Merina
Bell, ColinORCID iD for Bell, Colin orcid.org/0000-0003-2731-9858
Snowdon, Wendy
Neal, Bruce
Moodie, Marj
Journal name PLoS one
Volume number 12
Issue number 3
Article ID e0173600
Start page 1
End page 22
Total pages 22
Publisher Public Library of Science
Place of publication San Francisco, Calif.
Publication date 2017-03-29
ISSN 1932-6203
Keyword(s) Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
COST-EFFECTIVENESS ANALYSIS
CORONARY-HEART-DISEASE
REDUCING SALT INTAKE
CARDIOVASCULAR-DISEASE
BLOOD-PRESSURE
DIETARY-SODIUM
TOBACCO USE
HEALTH
STRATEGIES
BURDEN
Summary Objective
To summarise evidence describing the cost-effectiveness of population-based interventions targeting sodium reduction.

Methods

A systematic search of published and grey literature databases and websites was conducted using specified key words. Characteristics of identified economic evaluations were recorded, and included studies were appraised for reporting quality using the Consolidated Health Economic Evaluation Reporting Standards (CHEERS) checklist.

Results
Twenty studies met the study inclusion criteria and received a full paper review. Fourteen studies were identified as full economic evaluations in that they included both costs and benefits associated with an intervention measured against a comparator. Most studies were modelling exercises based on scenarios for achieving salt reduction and assumed effects on health outcomes. All 14 studies concluded that their specified intervention(s) targeting reductions in population sodium consumption were cost-effective, and in the majority of cases, were cost saving. Just over half the studies (8/14) were assessed as being of ‘excellent’ reporting quality, five studies fell into the ‘very good’ quality category and one into the ‘good’ category. All of the identified evaluations were based on modelling, whereby inputs for all the key parameters including the effect size were either drawn from published datasets, existing literature or based on expert advice.

Conclusion
Despite a clear increase in evaluations of salt reduction programs in recent years, this review identified relatively few economic evaluations of population salt reduction interventions. None of the studies were based on actual implementation of intervention(s) and the associated collection of new empirical data. The studies universally showed that population-based salt reduction strategies are likely to be cost effective or cost saving. However, given the reliance on modelling, there is a need for the effectiveness of new interventions to be evaluated in the field using strong study designs and parallel economic evaluations.
Language eng
DOI 10.1371/journal.pone.0173600
Field of Research 111104 Public Nutrition Intervention
MD Multidisciplinary
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2017, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30092783

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.