Brown sugar, how come you taste so good? The impact of a soda tax on prices and consumption

Tackling the complexity of obesity in the US through adaptation of public health strategies

Obesity prevalence continues to rise in the US despite more than two decades of recommendations and guidelines for its prevention and management. The encouragement of individuals to adopt a healthy diet and lifestyle has remained the focus of clinical interventions and recommendations despite these efforts alone proving ineffective for long-term weight management. There are many recognized barriers to obesity prevention and management in community and clinical settings including political factors, social determinants of health, weight bias and stigma, and inequities in access to treatment and insurance coverage. We discuss these barriers in more detail and attempt to identify areas where public health and healthcare approaches can be better aligned, allowing for better advocating by public health officials to enable a more meaningful and population-level change in obesity prevention and management in the US.

The association between the health promotion levy and employment in South Africa: an interrupted time series analysis

BACKGROUND

The production and consumption of sugar-sweetened beverages (SSBs) have been increasing over the past years, globally. However, there is overwhelming evidence linking SSBs to the rising prevalence in obesity and its comorbidities. In South Africa, the prevalence of overweight and obesity is high and is among the highest in Sub-Saharan Africa. In response to rising prevalence in obesity and its comorbidities, on 1 April 2018 the South African government introduced an SSB tax, known as the Health Promotion Levy (HPL). However, the levy has been opposed by the sugar industry, claiming that it leads to jobs losses. Against this backdrop, this study seeks to investigate the association between the HPL and employment in the sugar industry.

METHODS

We employed single-group interrupted time series analyses using the Quarterly Labour Force Survey data from Statistics South Africa.

RESULTS

Our results show that the HPL has not been associated with job losses (or generation) in the sugar-related industries in South Africa. These findings are consistent with the findings on the effects of SSB taxes on employment in other jurisdictions.

CONCLUSIONS

Considering that the HPL does not impede employment, and the overwhelming evidence on the effectiveness of SSB taxes, together with the relatively low tax burden, it is imperative that the government raises the HPL from the current 8% of the retail price to the WHO-recommended 20% threshold. The government should also consider expanding the HPL to fruit juices. Such strategies are important in encouraging people to reduce the intake of SSBs, while enabling the government to raise additional revenue for the fiscus.

Effectiveness of implemented global dietary interventions: a scoping review of fiscal policies

BACKGROUND

Although the World Health Organisation (WHO) has proposed the use of fiscal policies to mitigate consumption externalities such as overweight and obesity-related diseases, very little is known about the impacts of the different types and framing of national and/or regional fiscal policies that have been implemented over the years. There is the need to provide up-to-date evidence on the impact of fiscal policies that have been enacted and implemented across the globe.

METHODS

We conducted a scoping review of all implemented government fiscal policies in the food and drinks sector to identify the different types of fiscal policies that exist and the scope of their impact on consumers as well as the food environment. Electronic databases such as the Web of Science and Google Scholar were used to search for appropriate literature on the topic. A total of 4,191 articles were retrieved and 127 were synthesized and charted for emerging themes.

RESULTS

The results from this review were synthesized in MS Excel following Arksey & O'Malley (2005). Emerging themes were identified across different countries/settings for synthesis. The results confirms that fiscal policies improve consumers' health; increase the prices of foods that are high in fats, sugar, and salt; increase government revenue; and shift consumption and purchases towards healthier and untaxed foods.

CONCLUSION

Governments already have the optimum tool required to effect changes in consumer behaviour and the food environment.

The health and economic benefits of sugar taxation and vegetables and fruit subsidy scenarios in Canada

A tax on sugar-sweetened beverages (SSB) has been implemented in various jurisdictions. Though research confirmed this tax to reduce sugar consumption and to prevent chronic diseases, it also revealed concerns: one concern relates to the small proportion of sugar in the diet coming from SSBs; and another concern relates to the disproportional tax burden to low-income groups. To inform public health decision makers on alternatives, we examined three 'real world' taxation and subsidy scenarios in Canada: 1) a CAD$0.75/100 g tax on SSBs; 2) a CAD$0.75/100 g tax on free sugar in all foods; and 3) a 20% subsidy on vegetables and fruit (V&F). Using national survey data and a proportional multi-state life table-based Markov model, we simulated the changes in disability-adjusted life years, healthcare costs, tax revenue, intervention costs, and incremental cost-effectiveness ratio for five income quintiles after implementing the three scenarios, over a lifetime of the 2015 Canadian adult population. The first, second and third scenario would prevent 28,921, 262,348 and 551 cases of type 2 diabetes, respectively. They would avert 752,353, 12,167,113, and 29,447 disability-adjusted life years and save CAD$12,942 million, 149,927 million, and 442 million in health care costs, respectively, over a lifetime. Combining the second and third scenarios would lead to the largest health and economic benefits. Although the lowest income quintile would bear a higher sugar tax burden (0.81% of income, CAD$120/person/year), this would be compensated by a coinciding subsidy on V&F (1.30% of income, CAD$194/person/year). These findings support policies that include a tax on all free sugar in foods and a subsidy on V&F as an effective means to reduce chronic diseases and health care costs. Although the sugar tax was financially regressive, the V&F subsidy could compensate for the tax burden of the disadvantaged groups and improve health and economic equity.

Companies' Responses to a Tax on Sugar-Sweetened Beverages: Implications for Research Comment on "Understanding Marketing Responses to a Tax on Sugary Drinks: A Qualitative Interview Study in the United Kingdom, 2019"

The paper by Forde et al, newly published in this journal, sheds light on how sugar-sweetened beverages (SSBs) companies may react to the introduction of a SSB tax. This commentary goes over the paper's main findings and drafts implications for research on the impacts of SSB taxes. First and foremost, future research needs to assess the actual impacts of SSB taxes on companies' actions, especially reformulation. Second, cross-country research, comparing large companies with similar beverage portfolios, could bring insights about the impacts of external factors, including different SSB taxes, on companies' decisions. Third, SSB companies' actions are potential confounders in empirical studies looking into the impacts of SSB taxes on prices, demand, or other outcomes. Researchers need to be aware of and discuss such aspects thoroughly in their studies, as the implications for the interpretation of results are evident.

Systematic review on fiscal policy interventions in nutrition

Introduction

Both the World Health Organization and the Lancet Series on Adolescent nutrition recommend that governments adopt fiscal policies to combat diet-related non-communicable diseases (NCDs). However, rigorous, systematic evidence regarding the effects of these interventions is lacking.

Methods

We synthesize the available evidence regarding the impacts of taxes and subsidies that directly affect consumer prices on availability and accessibility of foods and beverages, purchasing behavior, diet quality, health and well-being outcomes as well as considerations for implementation, sustainability and equity.

Results

Our initial search returned 2,113 de-duplicated studies, and ultimately 24 impact evaluations and two systematic reviews met final eligibility criteria and represented unique evaluations. Our meta-analysis of these studies suggests that taxes may decrease purchases of taxed beverages (SMD = -0.14 [95% CI: -0.29 to -0.07], n = 15). Results should be interpreted cautiously due to considerable heterogeneity (Q(14) = 335.19, p = 0.01,τ ^ 2 = 0.03 , I 2 = 95.82%).

Discussion

The evidence base is too limited to draw conclusions about the effects of taxes on beverages and calorie-dense foods on purchases, or on the effects of subsidies on purchasing or diet quality. Overall, the evidence base is inconclusive on whether fiscal policies can meaningfully influence the availability and accessibility of foods and beverages, diet quality, and health outcomes. Policymakers implementing fiscal policies should consider information campaigns on health benefits and health risks associated with certain food and beverage consumption. For taxes, exposure to health information may amplify signaling effects of taxes and reduce avoidance behaviors, such as cross-border shopping. Future evaluations should diversify data sources to better understand impacts on diet and health outcomes.

Adhering to a Mediterranean diet in a Mediterranean country: an excess cost for families?

BACKGROUND

Adherence to the Mediterranean diet has been decreasing in southern Europe, which could be linked to several cultural or educational factors. Our aim is to evaluate the extent to which economic aspects may also play a role, exploring the relationship between food prices in Portugal and adherence to the Mediterranean diet.

METHODS

We evaluated data from the Portuguese National Food, Nutrition, and Physical Activity Survey (IAN-AF 2015-2016) (n=3,591). Diet expenditures were estimated by attributing a retail price to each food group and the diet was transposed into the Mediterranean Diet Score used in the literature. Prices were gathered from five supermarket chains (65% of the Portuguese market share). Linear regression models were used to assess the association between different adherence levels to the MD levels and dietary costs.

RESULTS

Greater adherence to the MD was associated with a 21.2% (p< 0.05) rise in total dietary cost, which accounts for more 0.59€ in mean daily costs when compared with low adherence. High adherence individuals (vs. low adherence) had higher absolute mean daily costs with fish (0.62€/+285.8%; p< 0.05), fruits (0.26€/+115.8%; p< 0.05), and vegetables (0.10€/+100.9%; p< 0.05). The analysis stratified by education and income level showed significantly higher mean daily diet cost only amongst higher income groups.

CONCLUSIONS

Our findings suggest that greater adherence to the MD was positively and significantly associated with higher total dietary cost. Policies to improve population's diet should take into consideration the cost of healthy foods, especially for large low- and middle-income families.