Topic: Health Equity

Coffee Chat: Creating Healthier Spaces for Kids: A Walkthrough of OSNAP Resources for Out-of-School Time

In this coffee chat hosted by the CHOICES Community of Practice, Bekka Lee, Co-Investigator at the Prevention Research Center on Nutrition and Physical Activity & Lecturer in the Department of Social and Behavioral Sciences at the Harvard T.H. Chan School of Public Health and Director of the Community Engagement Program at Harvard Catalyst, provided an in-depth overview of resources from the Out-of-School Nutrition and Physical Activity (OSNAP) initiative including a discussion of how you can implement this evidence-based intervention in your program, city, or state.

View the resource round-up from this coffee chat

Download the January 2025 coffee chat presentation slides

Disclaimer: Our guest speakers share their own perspectives and do not speak for Harvard.

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Coffee Chat: Cost-Effective Strategies to Create Healthier Environments: A Walkthrough of the CHOICES National Action Kit 2.0

In this coffee chat hosted by the CHOICES Community of Practice, Jessica Barrett, Senior Research Analyst at the Prevention Research Center on Nutrition and Physical Activity at the Harvard T.H. Chan School of Public Health, demonstrated how to use the CHOICES National Action Kit 2.0, highlighting the metrics that can be compared and where to find more detailed information about a strategy to support the planning and prioritization of health promotion efforts.

View the resource round-up from this coffee chat

Download the November 2024 coffee chat presentation slides

Disclaimer: Our guest speakers share their own perspectives and do not speak for Harvard.

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Coffee Chat: Creating Healthier Spaces for Kids: Promoting Healthy Eating, Physical Activity, & Health Equity in Out-of-School Time

In this coffee chat hosted by the CHOICES Community of Practice, Kate Goddard, Project Director for the Collaborative for Advancing Health Equity in Out-of-School Time at the Education Development Center, discussed how out-of-school time standards can be used to support health and well-being and highlighted examples of evidence-based strategies, including the Out-of-School Nutrition and Physical Activity (OSNAP) Initiative.

View the resource round-up from this coffee chat

Download the October 2024 coffee chat presentation slides


Disclaimer: Our guest speakers share their own perspectives and do not speak for Harvard.

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Report: Sugary Drink Excise Tax in Boston, MA

Mom giving glass of water to young daughter

The information in this report is intended to provide educational information on the cost-effectiveness of sugary drink excise taxes.

Executive Summary

Sugary drink consumption has been linked to excess weight gain, obesity, incidence of type 2 diabetes, heart disease, and cancer. Federal, state, and local governments have considered implementing excise taxes on sugary drinks to reduce consumption, prevent obesity, and provide a new source of government revenue.1-3 In Massachusetts, legislative measures to introduce a tiered sugary drink excise tax have been proposed.4,5 The most recent proposed bills specify that tax revenue be dedicated to benefits, services, and programs, including universal free school meals and provision of healthy meals in Head Start and other high need early education settings, for communities most impacted by health inequity and burdened by chronic health outcomes related to sugary drink consumption.4,5

We modeled the impact of a statewide excise tax on sugary drinks on health outcomes among Boston residents. Consistent with current policy proposals, we assumed tiered tax rates depending on the sugar content of the beverage: $0.01/ounce for beverages with more than 7.5 but less than 30 grams of sugar per 12 fluid ounces and $0.02 for beverages with more than 30 grams of sugar per 12 fluid ounces. CHOICES cost-effectiveness analysis compared the costs and outcomes of implementing a tax with the costs and outcomes expected if the tax were not implemented over 10 years (2023-2032).

The sugary drink excise tax on distributors is projected to be cost-saving. This means that the tax would save more in future healthcare costs than it would cost to implement. This is without consideration of the potential revenue that would be generated, where a tiered $0.01-$0.02/ounce statewide excise tax on sugary drinks in Massachusetts could raise as much as $226 million to $322 million in annual revenue.6 Among Boston residents, the tax is projected to decrease sugary drink consumption, prevent more than 6,000 cases of obesity, and save $91.2 million in health care costs. People who consume sugary drinks are projected to spend less on these drinks with the excise tax in place. We also project that Black and Hispanic/Latinx Boston residents will experience a greater reduction in obesity rates compared with White, non-Hispanic/Latinx residents after the tax is implemented. These results are summarized below and in the complete report. Projected results for a $0.02/ounce state excise tax based on the volume of sugary drinks were similar.

Continue reading in the full report.

Contact choicesproject@hsph.harvard.edu for an accessible version of this report.

Citation

McCulloch SM, Barrett JL, Reiner JF, Cradock AL, Gortmaker SL. Boston: Sugary Drink Excise Tax. CHOICES Learning Collaborative Partnership at the Harvard T.H. Chan School of Public Health, Boston, MA; February 2024. For more information, please visit www.choicesproject.org.

The design for this brief and its graphics were developed by Molly Garrone, MA.

Funding

This work is supported by The JPB Foundation and the Centers for Disease Control and Prevention (U48DP006376), and the National Institutes for Health (R01HL146625). The findings and conclusions are those of the author(s) and do not necessarily represent the official position of the Centers for Disease Control and Prevention or other funders.

For further information, contact choicesproject@hsph.harvard.edu

References

  1. American Public Health Association Taxes on Sugar-Sweetened Beverages. 2012.

  2. Falbe J, Rojas N, Grummon AH, Madsen KA. Higher Retail Prices of Sugar-Sweetened Beverages 3 Months After Implementation of an Excise Tax in Berkeley, California. American Journal of Public Health. 2015;105(11):2194-2201.

  3. World Health Organization. Global action plan for the prevention and control of noncommunicable diseases 2013–2020 [Internet]. Geneva: WHO. Updated appendix 3, “Best buys” and other recommended interventions for the prevention and control of noncommunicable diseases; [updated 2017; cited 2019 Sep 17]. Available from: https://iris. who.int/bitstream/handle/10665/94384/9789241506236_eng.pdf?sequence=1

  4. Massachusetts Senate Docket No. 959. An Act to promote healthy alternatives to sugary drinks. https://malegislature.gov/Bills/193/SD959. Filed January 18, 2023. Accessed March 9, 2023.

  5. Massachusetts House Docket No. 1813. An Act to promote healthy alternatives to sugary drinks. https://malegislature.gov/Bills/193/HD1813. Filed January 18, 2023. Accessed March 9, 2023.

  6. UCONN Rudd Center. Revenue Calculator for Sugary Drink Taxes. Release: April 13, 2021. http://www.uconnruddcenter.org/revenue-calculator-for-sugary-drink-taxes. Accessed December, 2023.

See the report for the full list of references.

See the sugary drink excise tax report for the impact on the Massachusetts population.

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Report: Sugary Drink Excise Tax in Massachusetts

Young girl drinking a glass of water

The information in this report is intended to provide educational information on the cost-effectiveness of sugary drink excise taxes.

Executive Summary

Sugary drink consumption has been linked to excess weight gain, obesity, incidence of type 2 diabetes, heart disease, and cancer. Federal, state, and local governments have considered implementing excise taxes on sugary drinks to reduce consumption, prevent obesity, and provide a new source of government revenue.1-3 In Massachusetts, legislative measures to introduce a tiered sugary drink excise tax have been proposed.4,5 The most recent proposed bills specify that tax revenue be dedicated to benefits, services, and programs, including universal free school meals and provision of healthy meals in Head Start and other high need early education settings, for communities most impacted by health inequity and burdened by chronic health outcomes related to sugary drink consumption.4,5

We modeled implementation of a state excise tax on sugary drinks in Massachusetts. Consistent with current policy proposals, we assumed tiered tax rates depending on the sugar content of the beverage: $0.01/ounce for beverages with more than 7.5 but less than 30 grams of sugar per 12 fluid ounces and $0.02 for beverages with more than 30 grams of sugar per 12 fluid ounces. CHOICES cost-effectiveness analysis compared the costs and outcomes of implementing a tax with the costs and outcomes expected if the tax were not implemented over 10 years (2023-2032).

The sugary drink excise tax on distributors is projected to be cost-saving. This means that the tax would save more in future health care costs than it costs to implement. This is without consideration of the potential revenue that would be generated, where a tiered $0.01-$0.02/ounce statewide excise tax on sugary drinks in Massachusetts could raise as much as $226 million to $322 million in annual revenue.6 Among Massachusetts residents, the tax is projected to decrease sugary drink consumption, prevent over 62,000 of cases of obesity, and save $937 million in health care costs. People who consume sugary drinks are projected to spend less on these drinks with the excise tax in place. We also project that Black and Hispanic/Latinx Massachusetts residents will experience a greater than average reduction in obesity levels after the tax is implemented, leading to improved health equity. These results are summarized below and in the complete report. Projected results for a $0.02/ounce state excise tax based on the volume of sugary drinks were similar.

Continue reading in the full report.

Contact choicesproject@hsph.harvard.edu for an accessible version of this report.

Citation

McCulloch SM, Barrett JL, Reiner JF, Cradock AL, Gortmaker SL. Massachusetts: Sugary Drink Excise Tax. The CHOICES Learning Collaborative Partnership at the Harvard T.H. Chan School of Public Health, Boston, MA; February 2024. For more information, please visit www.choicesproject.org.

The design for this brief and its graphics were developed by Molly Garrone, MA.

Funding

This work is supported by The JPB Foundation and the Centers for Disease Control and Prevention (U48DP006376), and the National Institutes for Health (R01HL146625). The findings and conclusions are those of the author(s) and do not necessarily represent the official position of the Centers for Disease Control and Prevention or other funders.

For further information, contact choicesproject@hsph.harvard.edu

References

  1. American Public Health Association Taxes on Sugar-Sweetened Beverages. 2012.

  2. Falbe J, Rojas N, Grummon AH, Madsen KA. Higher Retail Prices of Sugar-Sweetened Beverages 3 Months After Implementation of an Excise Tax in Berkeley, California. American Journal of Public Health. 2015;105(11):2194-2201.

  3. World Health Organization. Global action plan for the prevention and control of noncommunicable diseases 2013–2020 [Internet]. Geneva: WHO. Updated appendix 3, “Best buys” and other recommended interventions for the prevention and control of noncommunicable diseases; [updated 2017; cited 2019 Sep 17]. Available from: https://iris. who.int/bitstream/handle/10665/94384/9789241506236_eng.pdf?sequence=1

  4. Massachusetts Senate Docket No. 959. An Act to promote healthy alternatives to sugary drinks. https://malegislature.gov/Bills/193/SD959. Filed January 18, 2023. Accessed March 9, 2023.

  5. Massachusetts House Docket No. 1813. An Act to promote healthy alternatives to sugary drinks. https://malegislature.gov/Bills/193/HD1813. Filed January 18, 2023. Accessed March 9, 2023.

  6. UCONN Rudd Center. Revenue Calculator for Sugary Drink Taxes. Release: April 13, 2021. http://www.uconnruddcenter.org/revenue-calculator-for-sugary-drink-taxes. Accessed December, 2023.

See the report for the full list of references.

See the sugary drink excise tax report for the impact on the Boston, MA population.

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Coffee Chat: Advancing Equitable Access to Improved Nutrition: Evidence and Policy

Advancing Equitable Access to Improved Nutrition: Evidence and Policy

In this coffee chat hosted by the CHOICES Community of Practice, Sara Bleich, Professor of Public Health Policy at the Harvard T.H. Chan School of Public Health and inaugural Vice Provost for Special Projects at Harvard University and Steve Gortmaker, Professor of the Practice of Health Sociology, Director of the Prevention Research Center on Nutrition and Physical Activity, and Director and Co-Principal Investigator of the CHOICES Project at the Harvard T.H. Chan School of Public Health shared evidence about cost-effective, population-level nutrition policies that have been shown to prevent obesity and improve health equity as well as updates about implementation.

View the resource round-up from this coffee chat

Download the April 2024 coffee chat presentation slides

Disclaimer: Our guest speakers share their own perspectives and do not speak for Harvard.

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Exploring the Cost-Effectiveness of Strategies to Improve Child Health in Massachusetts

The information in this brief is intended only to provide educational information.

The CHOICES Project at the Harvard T.H. Chan School of Public Health, the Massachusetts Department of Public Health (MDPH), and the Massachusetts Department of Elementary and Secondary Education (DESE) worked together as part of the Massachusetts-CHOICES Project, a training, technical assistance, and modeling initiative, to develop a playbook of strategies to promote healthy weight and advance health equity in addition to studying how cost-effectiveness metrics are used by partners throughout the state.

Methods & Strategies Modeled

CHOICES cost-effectiveness analysis examines: How many and what types of people would be affected by the policy or program? What the effect of the policy or program would be on health? What will be the implementation costs and the potential health care cost savings? How could the policy or program reduce health disparities and improve health equity?

CHOICES uses cost-effectiveness analysis to compare the costs and outcomes of different policies and programs promoting improved nutrition or increased physical activity in schools, early care and education and out-of-school settings, communities, and clinics.

Using CHOICES cost-effectiveness analysis and local data, the MDPH and DESE team worked with CHOICES to create a virtual population that mirrors the current population of Massachusetts. Then, the teams examined the expected costs, health outcomes, impacts on health equity, and health care costs saved if the following strategies were implemented in Massachusetts over a 10-year timeframe (2020-2029):

Movement Breaks in the Classroom
Water Dispensers in Schools

Movement Breaks in the Classroom

Movement breaks in the classroom is a strategy to promote physical activity during the school day by incorporating five-to-10-minute movement breaks in K-5 public elementary school classrooms. To implement this evidence-based strategy,1 the Massachusetts Departments of Public Health and Elementary and Secondary Education would collaborate to connect school districts to the School Wellness Coaching Program. This program helps school districts integrate movement breaks into their local wellness policies and meet state and federal physical activity recommendations.

Teachers in K-5 classrooms would receive training, technical assistance, and materials to support implementation. School wellness champions could also elect to be trained. This strategy aligns with the School Wellness Coaching Program2 and the Whole School, Whole Community, Whole Child initiative to create school environments that prioritize students’ health, well-being, and ability to learn.

Implementing movement breaks in the classroom is an investment in the future. By the end of 2029: 31,600 children would be reached over 10 years; 25 additional minutes of moderate-to-vigorous physical activity per student per school week; $5.72 per child per year.

Additional Key Findings

If movement breaks were incorporated into classrooms in Massachusetts, it is likely to be cost-effective at commonly accepted thresholds3 based on net cost per population health improvement related to excess weight ($66,200 per quality-adjusted life year gained).

By training and equipping over 200 teachers and other school staff to incorporate movement breaks in the classroom, this strategy could help Massachusetts public schools cultivate a positive school climate and improve social emotional learning.4 Additionally, movement breaks allow students an opportunity for a “brain break” to refocus, reconnect and bring their attention back to their academic work.

To learn more about this strategy, read the research brief.

  • Good N, Bolton AA, Barrett JL, Reiner JF, Cradock AL, Gortmaker SL. Massachusetts: Movement Breaks in the Classroom {Issue Brief}. The CHOICES Learning Collaborative Partnership at the Harvard T.H. Chan School of Public Health, Boston, MA; June 2023.
References

1.The Community Preventive Services Task Force. Physical Activity: Classroom-based Physical Activity Break Interventions. The Community Guide; 2021. Accessed Jun 20, 2023. https://www.thecommunityguide.org/pages/tffrs-physical-activity-classroom-based-physical-activity-break-interventions.html
2.School Wellness Initiative for Thriving Community Health (SWITCH). Initiatives: Massachusetts School Wellness Coaching Program. Published 2022. Accessed Oct 5, 2022. https://massschoolwellness.org/initiatives
3.Neumann PJ, Cohen JT, Weinstein MC. Updating cost-effectiveness–the curious resilience of the $50,000-per-QALY threshold. New England Journal of Medicine. 2014 Aug 28;371(9):796-7. DOI: 10.1056/NEJMp1405158. PMID: 25162885.
4.Centers for Disease Control and Prevention. School-Based Physical Activity Improves the Social and Emotional Climate for Learning. CDC Healthy Schools. Published 2021. Accessed March 9, 2022. https://www.cdc.gov/healthyschools/school_based_pa_se_sel.htm

Water Dispensers in Schools

This strategy applies an equity lens to increasing water access by installing touchless water dispensers on or near school cafeteria lunch lines in K-8 Massachusetts public schools with identified needs. Priority schools would be those with elevated concentrations of lead in drinking water documented via state lead testing programs1 and located in cities and towns with Environmental Justice designation based on the community’s share of households with lower incomes, limited English proficiency, or individuals identifying as Black, Indigenous, or people of color.2

Better drinking water access in schools has been shown to increase water intake and may help promote a healthy weight.3 The Massachusetts Departments of Public Health and Elementary and Secondary Education would provide outreach to school districts to encourage the installation of water dispensers through existing relationships.

The installation of touchless water dispensers in schools in Massachusetts is an investment in a more equitable future. By the end of 2029: 265,000 students would be reached with improved access to safe drinking water in schools over 10 years; 129,000 Black and Hispanic/Latinx students would be reached with improved access to safe drinking water in schools over 10 years; $9 per student per year.

Additional Key Findings

If water dispensers were installed in K-8 public schools in Massachusetts, it is likely to be cost-effective at commonly accepted thresholds4 based on net cost per population health improvement related to excess weight, at a cost of $72,700 per quality-adjusted life year gained.

Additionally, this strategy would prioritize installing water dispensers in schools that identify elevated concentrations of lead in their drinking water and in school districts located in communities meeting criteria for Environmental Justice designation.2 Fifty percent of the students that would gain access to improved drinking water would be Black and Hispanic/Latinx, a higher proportion than the state’s student population overall.5

To learn more about this strategy, read the research brief.

  • McCulloch SM, Barrett JL, Reiner JF, Cradock AL, Gortmaker SL. Massachusetts: Water Dispensers in Schools {Issue Brief}. The CHOICES Learning Collaborative Partnership at the Harvard T.H. Chan School of Public Health, Boston, MA; June 2023.
References

1. MA Executive Office of Energy and Environmental Affairs. Lead and Copper in School Drinking Water Sampling Results. Accessed December 5, 2022. https://www.mass.gov/service-details/lead-and-copper-in-school-drinking-water-sampling-results
2. MA Executive Office of Energy and Environmental Affairs. Environmental Justice Populations in Massachusetts. Accessed April 7, 2023. https://www.mass.gov/info-details/environmental-justice-populations-in-massachusetts
3. Schwartz AE, Leardo M, Aneja S, Elbel B. Effect of a School-Based Water Intervention on Child Body Mass Index and Obesity. JAMA Pediatr. 2016; 170(3):220-226. doi:10.1001/jamapediatrics.2015.3778.
4. Neumann PJ, Cohen JT, Weinstein MC. Updating cost-effectiveness–the curious resilience of the $50,000-per-QALY threshold. New England Journal of Medicine. 2014 Aug 28;371(9):796-7. doi: 10.1056/NEJMp1405158. PMID: 25162885.
5. Massachusetts Department of Elementary and Secondary Education. 2022-23 Enrollment By Race/Gender Report (District). Updated December 1, 2022. Accessed April 7, 2023. https://profiles.doe.mass.edu/statereport/enrollmentbyracegender.aspx


The design for this brief and its graphics were developed by Molly Garrone, MA and partners at Burness.

This document was developed at the Harvard T.H. Chan School of Public Health through the Childhood Obesity Intervention Cost-Effectiveness Study (CHOICES) Learning Collaborative Partnership. This document is intended for educational use only. This work is supported by The JPB Foundation and the Centers for Disease Control and Prevention (U48DP006376). The findings and conclusions are those of the author(s) and do not necessarily represent the official position of the Centers for Disease Control and Prevention or other funders.

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Explore and compare these strategies and more using the CHOICES National Action Kit 2.0!

Coffee Chat: Engaging Community Partners in Health Improvement Planning

In this coffee chat hosted by the CHOICES Community of Practice, Anna Clayton, Senior Program Analyst from the National Association of County and City Health Officials explored resources available through the Mobilizing for Action through Planning and Partnerships (MAPP 2.0) framework that can support community engagement and partnerships in planning efforts.

View the resource round-up from this coffee chat

Download the February 2024 coffee chat presentation slides

Disclaimer: Our guest speakers share their own perspectives and do not speak for Harvard.

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Cost-effectiveness of Improved WIC Food Package for Preventing Childhood Obesity

This study determines the cost-effectiveness of changes to WIC’s nutrition standards in 2009 for preventing obesity and to estimate impacts on socioeconomic and racial/ethnic inequities.

Kenney EL, Lee MM, Barrett JL, Ward ZJ, Long MW, Cradock AL, Williams DR, Gortmaker SL. Cost-effectiveness of Improved WIC Food Package for Preventing Childhood Obesity. Pediatrics. 2024 Jan;153. doi: 10.1542/peds.2023-063182.

Abstract

Background & Objectives

The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) prevents food insecurity and supports nutrition for more than 3 million low-income young children. Our objectives were to determine the cost-effectiveness of changes to WIC’s nutrition standards in 2009 for preventing obesity and to estimate impacts on socioeconomic and racial/ethnic inequities.

Methods

We conducted a cost-effectiveness analysis to estimate impacts from 2010 through 2019 of the 2009 WIC food package change on obesity risk for children aged 2 to 4 years participating in WIC. Microsimulation models estimated the cases of obesity prevented in 2019 and costs per quality-adjusted-life year gained.

Results

An estimated 14.0 million 2- to 4-year old US children (95% uncertainty interval (UI), 13.7–14.2 million) were reached by the updated WIC nutrition standards from 2010 through 2019. In 2019, an estimated 62 700 (95% UI, 53 900–71 100) cases of childhood obesity were prevented, entirely among children from households with low incomes, leading to improved health equity. The update was estimated to cost $10 600 per quality-adjusted-life year gained (95% UI, $9760–$11 700). If WIC had reached all eligible children, more than twice as many cases of childhood obesity would have been prevented.

Conclusions

Updates to WIC’s nutrition standards for young children in 2009 were estimated to be highly cost-effective for preventing childhood obesity and contributed to reducing socioeconomic and racial/ethnic inequities in obesity prevalence. Improving nutrition policies for young children can be a sound public health investment; future research should explore how to improve access to them.


Funding

This study was supported by the National Institutes of Health (R01HL146625 and K01DK125278), The JPB Foundation, and the Centers for Disease Control and Prevention (U48DP006376). The authors have indicated they have no potential conflicts of interest to disclose. The findings and conclusions are those of the authors and do not necessarily represent the official position of the National Institutes of Health, the Centers for Disease Control and Prevention, or other funders.

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A Sugar-Sweetened Beverage Excise Tax in California: Projected Benefits for Population Obesity and Health Equity

Sugary drinks

This study evaluates the cost-effectiveness of a hypothetical 2-cent-per-ounce excise tax in California (CA) and implications for population health and health equity.

Lee MM, Barrett JL, Kenney EL, Gouck J, Whetstone L, McCulloch SM, Cradock AL, Long MW, Ward ZJ, Rohrer B, Williams DR, Gortmaker SL. A Sugar-Sweetened Beverage Excise Tax in California: Projected Benefits for Population Obesity and Health Equity. Am J Prev Med. 2024 Jan;66(1):94-103. doi: 10.1016/j.amepre.2023.08.004. Epub 2023 Aug 6. PubMed PMID: 37553037;

Abstract

Introduction

Amid the successes of local sugar-sweetened beverage (SSB) taxes, interest in state-wide policies has grown. This study evaluated the cost-effectiveness of a hypothetical 2-cent-per-ounce excise tax in California (CA) and implications for population health and health equity.

Methods

Using the CHOICES microsimulation model, tax impacts on health, health equity, and cost-effectiveness over ten years in CA were projected, both overall and stratified by race/ethnicity and income. Expanding upon prior models, differences in the effect of SSB intake on weight by BMI category were incorporated. Costing was performed in 2020, and analyses were conducted in 2021-2022.

Results

The tax is projected to save $4.55b in healthcare costs, prevent 266,000 obesity cases in 2032, and gain 114,000 QALYs. Cost-effectiveness metrics, including the cost/QALY gained, were cost-saving. Spending on SSBs was projected to decrease by $33/adult and by $26/child in the first year overall. Reductions in obesity prevalence for Black and Hispanic Californians were 1.8 times larger compared to White Californians, and reductions for adults with lowest incomes (<130%FPL) were 1.4 times the reduction among those with highest incomes (>350%FPL). The tax is projected to save $112 in obesity-related healthcare costs per $1 invested.

Conclusions

A state-wide SSB tax in California would be cost saving and lead to reductions in obesity and improved SSB-related health equity, and lead to overall improvements in population health. The policy would generate more than $1.6 billion in state tax revenue annually that can also be used to improve health equity.


Funding

This work was supported by The JPB Foundation (Grant No. 1085), the National Institutes of Health (Grant No. R01HL146625), the Centers for Disease Control and Prevention (CDC) (Grant No. U48DP006376). This work is solely the responsibility of the authors and does not represent official views of the CDC or other agencies. The findings and conclusions in this article are those of the author(s) and do not necessarily represent the views or opinions of the California Department of Public Health or the California Health and Human Services Agency. The sponsors had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.

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