Articlehybrid2024

National taxation on sugar-sweetened beverages and its association with overweight, obesity, and diabetes

Michele Sassano · Carolina Castagna · Leonardo Villani · Gianluigi Quaranta · Roberta Pastorino · Walter Ricciardi +1 more

21 citations0/0 files storedAmerican Journal of Clinical Nutrition

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Global Public Health Policies and Epidemiology Economic and Fiscal Studies Obesity, Physical Activity, Diet

Abstract

BACKGROUND: Consumption of sugar-sweetened beverages (SSBs) has been linked to several adverse health outcomes, thus many countries introduced taxation to reduce it. OBJECTIVES: To summarize national SSB taxation laws and to assess their association with obesity, overweight and diabetes. METHODS: We conducted a systematic scoping review up to January 2022 on PubMed, Web of Science, Embase, and Google Search to identify taxes on SSBs. An interrupted time series analysis (ITSA) was conducted on 17 countries with taxation implemented in 2013 or before to evaluate the level and slope modifications in the rate of change of standardized prevalence rates of overweight, obesity, and diabetes. Random-effects meta-regression was used to assess whether year of entry into force of the law, national income, and tax design affected observed results. RESULTS: We included 76 tax laws issued between 1940 and 2020 by 43 countries, which were heterogeneous in terms of tax design, amount, and taxed products. Among children and adolescents, ITSA showed level or slope reduction for prevalence of overweight and obesity in 5 (Brazil, Samoa, Palau, Panama, Tonga) and 6 (El Salvador, Uruguay, Nauru, Norway, Palau, Tonga) countries out of 17, respectively. No clear pattern of modification of results according to investigated factors emerged from the meta-regression analysis. CONCLUSIONS: Taxation is highly heterogeneous across countries in terms of products and design, which might influence its effectiveness. Our findings provide some evidence regarding a deceleration of the increasing prevalence rates of overweight and obesity among children occurring in some countries following introduction of taxation. PROSPERO registration number: CRD42021233309.

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References

2018PRISMA Extension for Scoping Reviews (PRISMA-ScR): Checklist and Explanation 2019Impact of sugar‐sweetened beverage taxes on purchases and dietary intake: Systematic review and meta‐analysis 2022Outcomes Following Taxation of Sugar-Sweetened Beverages 2017Interventions to reduce consumption of sugar‐sweetened beverages or increase water intake: evidence from a systematic review and meta‐analysis 2016Taxes on Sugar-Sweetened Beverages to Reduce Overweight and Obesity in Middle-Income Countries: A Systematic Review 2018The impact of the tax on sweetened beverages: a systematic review 2020Association between tax on sugar sweetened beverages and soft drink consumption in adults in Mexico: open cohort longitudinal analysis of Health Workers Cohort Study 2021Taxing sugar-sweetened beverages as a policy to reduce overweight and obesity in countries of different income classifications: a systematic review

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