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Impact of Community Health Workers on Access to Care for Rural Populations in the United States: A Systematic Review

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Abstract

Community Health Worker (CHW) interventions have shown potential to reduce inequities for underserved populations. However, there is a lack of support for CHW integration in the delivery of health care. This may be of particular importance in rural areas in the Unites States where access to care remains problematic. This review aims to describe CHW interventions and their outcomes in rural populations in the US. Peer reviewed literature was searched in PubMed and PsycINFO for articles published in English from 2015 to February 2021. Title and abstract screening was performed followed by full text screening. Quality of the included studies was assessed using the Downs and Black score. A total of 26 studies met inclusion criteria. The largest proportion were pre-post program evaluation or cohort studies (46.2%). Many described CHW training (69%). Almost a third (30%) indicated the CHW was integrated within the health care team. Interventions aimed to provide health education (46%), links to community resources (27%), or both (27%). Chronic conditions were the concern for most interventions (38.5%) followed by women’s health (34.6%). Nearly all studies reported positive improvement in measured outcomes. In addition, studies examining cost reported positive return on investment. This review offers a broad overview of CHW interventions in rural settings in the United States. It provides evidence that CHW can improve access to care in rural settings and may represent a cost-effective investment for the healthcare system.

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Acknowledgements

The authors thank Teri Lynn Herbert for her expert assistance in finalizing the database search strategies.

Funding

There was no funding for this study.

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Contributions

All authors contributed to the conceptualization of the study; the first author performed the initial literature search and rating, the second author served as second rater, all authors contributed to subsequent analysis; the first author produced the initial draft, all authors critically revised the work and approved the final manuscript.

Corresponding author

Correspondence to Carole R. Berini.

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Because the study is based on previously published information, no institutional review board approval is needed.

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Appendices

Appendix

Search strategies

PubMed: ((Rural OR “rural health”) AND (“continuum of care” OR “Access to care” OR “health systems” OR “Women’s health” OR “disease prevention” OR “patient education” OR “managed care” OR “program cost” OR “health care system” OR "cost–benefit" OR "cost-effectiveness" OR "ED visit" OR “fees” OR "emergency department visit" OR "emergency room visit" OR "ER visit" OR "urgent care use" OR "urgent care visit" OR cost OR expenditure OR expense OR finance OR hospitalization OR payment OR profit OR readmission OR “Return on investment” OR savings OR utilization OR “insurance, health” [MeSH Terms] OR "costs and cost analysis"[MeSH Terms] OR "Medicaid/economics"[MeSH Terms] OR "Medicaid/utilization"[MeSH Terms] OR "Models, econometric"[MeSH Terms]) AND ("Abuse Counselor" OR "Birth attendant" OR "Case coordinator" OR "Community coordinator" OR "Community health advocate" OR "Community health aide" OR "Community health educator" OR "Community health representative" OR "Community health worker" OR "Community liaison" OR "Community organizer" OR "Community social worker" OR "Doula" OR "Family advocate" OR "Family support worker" OR "Health adviser" OR "Health advisor" OR "Health advocate" OR "Health agent" OR "Health assistant" OR "Health attendant" OR “health care volunteer” OR "Health coach" OR "Health Communicator" OR "Health Educator" OR "Home Care Worker" OR "Home health aide" OR "Home Visitor" OR "Intake specialist" OR "Lay attendant" OR "Lay health advisor" OR “Lay health adviser” OR "Lay health worker" OR "Lay personnel" OR "Medical representative" OR "Mental Health Worker" OR "Nutrition educator" OR "Outreach Coordinator" OR "Outreach Educator" OR "Outreach Worker" OR "Parent Aide" OR "Parent Liaison" OR "Patient navigator" OR "Peer advocate" OR "Peer coach" OR "Peer leader" OR "Promotora” OR "Recovery coach" OR Paraprofessional OR "community health workers"[MeSH Terms] OR "health educators"[MeSH Terms] OR "patient navigation"[MeSH Terms] OR "home health aides"[MeSH Terms])).

PsycINFO: (Rural OR “rural health”) AND (“continuum of care” OR “Access to care” OR “health systems” OR “Women’s health” OR “disease prevention” OR “patient education” OR “managed care” OR “program cost” OR “health care system” OR "cost–benefit" OR "cost-effectiveness" OR "ED visit" OR “fees” OR "emergency department visit" OR "emergency room visit" OR "ER visit" OR "urgent care use" OR "urgent care visit" OR cost OR expenditure OR expense OR finance OR hospitalization OR payment OR profit OR readmission OR “Return on investment” OR savings OR utilization) AND ("Abuse Counselor" OR "Birth attendant" OR "Case coordinator" OR "Community coordinator" OR "Community health advocate" OR "Community health aide" OR "Community health educator" OR "Community health representative" OR "Community health worker" OR "Community liaison" OR "Community organizer" OR "Community social worker" OR "Doula" OR "Family advocate" OR "Family support worker" OR "Health adviser" OR "Health advisor" OR "Health advocate" OR "Health agent" OR "Health assistant" OR "Health attendant" OR “health care volunteer” OR "Health coach" OR "Health Communicator" OR "Health Educator" OR "Home Care Worker" OR "Home health aide" OR "Home Visitor" OR "Intake specialist" OR "Lay attendant" OR "Lay health advisor" OR “Lay health adviser” OR "Lay health worker" OR "Lay personnel" OR "Medical representative" OR "Mental Health Worker" OR "Nutrition educator" OR "Outreach Coordinator" OR "Outreach Educator" OR "Outreach Worker" OR "Parent Aide" OR "Parent Liaison" OR "Patient navigator" OR "Peer advocate" OR "Peer coach" OR "Peer leader" OR "Promotora” OR "Recovery coach" OR Paraprofessional).

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Berini, C.R., Bonilha, H.S. & Simpson, A.N. Impact of Community Health Workers on Access to Care for Rural Populations in the United States: A Systematic Review. J Community Health 47, 539–553 (2022). https://doi.org/10.1007/s10900-021-01052-6

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