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Review Article

Applying a Health Equity Lens to the Commercial Determinants of Health: A Critical Review

Health Politics 2026;1(1):e005.
Published online: March 31, 2026

1Population Health Sciences Institute, Newcastle University, United Kingdom

2Health Behavior, Policy, and Administration Sciences, University of Nevada, Reno, USA

*Corresponding author: Courtney McNamara (Courtney.McNamara@newcastle.ac.uk)
• Received: March 12, 2026   • Revised: March 30, 2026   • Accepted: March 31, 2026

© 2026

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted distribution and reproduction in any medium, provided the original work is properly cited.

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  • Introducing Health Politics
    Haejoo Chung, Carles Muntaner
    Health Politics.2026; 1(1): e001.     CrossRef

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Applying a Health Equity Lens to the Commercial Determinants of Health: A Critical Review
Health Polit. 2026;1(1):e005  Published online March 31, 2026
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Applying a Health Equity Lens to the Commercial Determinants of Health: A Critical Review
Health Polit. 2026;1(1):e005  Published online March 31, 2026
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Applying a Health Equity Lens to the Commercial Determinants of Health: A Critical Review
Applying a Health Equity Lens to the Commercial Determinants of Health: A Critical Review
Framework Description CDOH integration
Cultural-Behavioural The cultural-behavioural explanation is based on the idea that health inequalities result from differences in health-related behaviour such as the consumption of tobacco, alcohol and health harming foods. These behaviours are often understood to be driven by norms and cultural practices. This explanation can also lend itself to interpretation within a biomedical model of health that prioritizes lifestyle choices. Strongest area of implicit alignment. CDOH scholarship has extensively shown how corporate actors shape consumption patterns and risk environments.
Materialist The materialist explanation focuses on income and the access it provides to goods and services (e.g. education and healthcare) and freedom from, or at least more autonomy over, harmful exposures (e.g. unhealthy working conditions and pollution). Materialist approaches also tend to give primacy to the role of public policy and/or welfare states in shaping distributions of income. Implicit alignment is present but limited. CDOH scholarship increasingly examines how commercial practices shape material conditions. Employment, income distribution, housing, and access to essential services are still under-theorised within the field.
Psychosocial Psychosocial explanations of health equity focus on how social inequality makes people feel and the biological and health consequences of this. Here the idea is that social inequality leads to long-term feelings of subordination or inferiority, which in turn stimulate chronic stress responses that have profound consequences for physical and mental health. Implicit alignment is partial and emerging. CDOH scholarship has examined associations between commercially produced commodities and mental health outcomes but rarely examined how commercial structures and practices themselves act as psychosocial stressors. The psychosocial consequences of precarious employment, algorithmic management, debt, predatory lending, and other commercially shaped forms of insecurity remain underexplored.
Life Course This approach is based on the idea that health inequities are the result of inequalities in the accumulation of social, psychological and biological advantages and disadvantages over time. A central idea here is that over their lifetime, people pass through critical life stages and particular social roles that affect their health. Limited implicit alignment. Some CDOH work considers children and young people, especially around marketing, consumption, and digital environments. Most CDOH scholarship however, focuses on immediate harms rather than cumulative, long-term, and intergenerational effects. There is little explicit attention to how commercial actors shape critical periods, trajectories, or the reproduction of disadvantage across generations.
Diderichsen Model Numerous empirical analyses of health inequities are based on the Diderichsen Model(Diderichsen et al., 2001; 2019). This Model identifies four different mechanisms through which health inequities arise, are perpetuated and can be altered. (1) Social stratification refers to the ways in which individuals and groups are hierarchically arranged in society, often based on factors like socioeconomic status, race, ethnicity and gender. (2) Differential exposure refers to the idea that those in less advantaged groups experience a higher burden of exposure to health risks. (3) Differential susceptibility refers to the idea that the adverse health impacts of any given risk factor are likely to be greater in less advantaged groups(Mackenbach et al., 2015). (4) Differential consequences refers to the differential social consequences of poor health which in turn perpetuates further social stratification. Implicit alignment is strong in relation to differential exposure, but more limited across the full framework. CDOH scholarship has powerfully documented how commercial actors structure unequal risk environments (mechanism 2) through targeted marketing, place-based concentration of harmful products, and patterned exposure to unhealthy commodities and conditions. The field engages far less with the other three mechanisms. Differential vulnerability, differential consequences, and especially the stratifying role of commercial actors in shaping social hierarchy and economic inequality remain insufficiently developed.
Fundamental Cause Fundamental Cause theory differentiates between so-called contextualised risk factors and fundamental causes(Phelan et al., 2010). Contextualised risk factors refer to exposures that shape individual risk factors. By contrast, the fundamental determinants of health refer to “flexible resources” like “knowledge, money, power, prestige, and beneficial social connections”, alongside structural conditions like racism(Phelan & Link, 2015), stigma(Hatzenbuehler et al., 2013) and cultural trauma (Subica & Link, 2022) . These factors are understood to generate a myriad of contextualised risk factors and to be the root causes of inequities in health. The overarching idea is that focusing only on contextualised risk factors, without addressing their underlying fundamental causes, will lead to ineffective efforts to address health equity, as people with greater access to flexible resources will always be better positioned to avoid risks. Strong unrealised theoretical opportunity. CDOH literature recognises that commercial actors accumulate and exercise money, power, institutional influence, and control over knowledge, regulation, and narratives. This closely aligns with the idea of flexible resources structuring health risks and protections. However, CDOH research has not yet explicitly theorised corporate power itself as a fundamental cause of health inequities.
Table 1. Mapping health equity explanations and theoretical perspectives onto CDOH scholarship