What are health disparities, and how do they affect communities?
Health disparities are noticeable and preventable differences in health outcomes or opportunities to achieve optimal health among different population groups [1]. These differences are not solely caused by natural biological variations; they are heavily influenced by daily life, social, and economic conditions—such as where people are born, live, learn, work, and age [1].
These disparities appear in various aspects, including the prevalence, severity, complication rates, and mortality rates of specific diseases, as well as in the availability of and access to healthcare and preventive screenings [2]. These population groups can be defined by factors such as race, ethnicity, economic status, education level, gender, sexual orientation, or geographical location [2].
Examples of Health Disparities
Health disparities manifest in many areas, such as oral health. For example, children in low-income families face nearly three times the rate of tooth decay compared to children in high-income families [1]. Furthermore, working-age adults who lack health insurance suffer from untreated tooth decay at twice the rate of those with private health insurance [1].
Additionally, disparities appear in periodontal disease (periodontitis with bone loss), which has been twice as common in low-income adults compared to high-income adults [1]. Even in oral cancer, new cases are three times more common in men than in women, and mortality rates vary significantly among different racial and ethnic groups [1].
Factors Influencing Health Disparities
Health disparities are influenced by a complex set of social, economic, and environmental factors. These include:
- Socioeconomic Status: Lower income and education levels are linked to higher rates of chronic disease and health complications [3].
- Access to Healthcare: Individuals in rural or low-income areas may face difficulty accessing quality healthcare services, including dentists [1].
- Insurance Coverage: Lack of sufficient health or dental insurance can be a significant barrier to receiving preventive and therapeutic care [1].
- Environmental Conditions: The conditions in which people live play a role in their health, such as air and water quality, access to healthy food, and a safe environment [1].
- Health Behaviors: Behaviors such as smoking, physical activity, and diet are influenced by socioeconomic factors, which in turn affect overall health [3].
The Importance of Addressing Health Disparities
Addressing health disparities is crucial for building fairer and healthier communities. When everyone has a fair and equal opportunity to achieve the highest level of health, the entire society benefits [1]. This requires a comprehensive understanding of how health is maintained, improved, or degraded through modifiable influences [3].
Efforts to reduce health disparities can include improving access to high-quality healthcare and providing effective preventive programs—such as school-based dental sealant programs—which can prevent tooth decay for many years, especially for children who might not otherwise receive dental care [1]. Understanding how specific factors like insurance coverage, health literacy, and language barriers affect the access to and use of care services can help guide efforts to address health disparities [1].
For more information on the challenges and efforts made in Jordan, you can visit Health Disparities in Jordan: Challenges of Accessing Care and Building an Equitable Society (Arabic).
Medical references
Cite this answer
ClinicsJo Editorial Team. What are health disparities, and how do they affect communities? (Sep 13, 2026).
https://clinicsjo.com/en/faq/what-are-health-disparities-and-how-do-they-affect-communities#answerRead the text version with referencesHow to use medical information