Participants in a CHW-led etiological cohort study experienced multiple benefits including emotional support, health information acquisition, and individualized health results that mobilized them to take tangible action to improve their own wellbeing.
Key Findings
Results
Community health worker-led research participation produced multiple perceived benefits spanning emotional, informational, and practical health domains among Mexican-origin border residents.
Study recruited 282 Latino/a adult residents of southern Yuma County, Arizona using a randomized household door-to-door approach
Data gathering occurred between March 2022 and April 2024
Closing interview question was analyzed among a subset of 192 participants who completed the final timepoint of data collection
Benefits ranged from 'immaterial experiences of emotional support and opportunities for novel self-reflection to the practical acquisition of health information and individualized health results'
Results
Participants reported that study interactions with CHW researchers mobilized them to take tangible health actions including improved dietary and physical activity practices.
Tangible actions reported included improved dietary practices, greater physical activity, greater rates of access to medical care, and prioritization of mental health needs
Positive study experiences were described as mobilizing participants toward health behavior change
These outcomes emerged from an observational etiological cohort study, not an interventional design
Findings suggest 'the potential for participants to derive substantial gains in the context of both interventional and observational research'
Results
Community health workers developed an environment of care and trust with participants that enabled deep sharing, self-reflection, and receptivity to new health information.
The analysis identified 'an important relational component of participants' study experience' centered on CHW relationships
This environment of care and trust 'inspired deep sharing and reflection and receptivity of new health information'
The study used the theoretical lens of 'therapeutic landscape' to interpret how CHW-led research impacted participants
CHWs were involved in all phases of the mixed-methods study including conception, design, methodology, data gathering, analysis, and dissemination
Methods
The study used a community-engaged participatory approach with a longstanding university-community partnership focused on chronic disease and mental health in a farmworker community.
The study builds upon a longstanding partnership between the University of Arizona and a community farmworker service organization
The focus was on chronic disease and mental health in Yuma County, Arizona, along the US-Mexico border
The parent study was an etiological cohort study of stress and resilience
Participants were Mexican-origin adult residents recruited via randomized household door-to-door approach
Discussion
CHW-led research participation has implications for bolstering inclusion of immigrant and displaced populations in the research endeavor.
The study focused on a Latino/a border community that includes immigrant and displaced populations
Results imply 'the potential for participants to derive substantial gains in the context of both interventional and observational research'
The therapeutic landscape framework helped conceptualize how research interactions themselves can be health-promoting
Community health workers occupied a prominent role in centering 'equitable and inclusive research practices' that 'prioritize community needs'
What This Means
This research suggests that participating in a research study led by community health workers (CHWs) can itself be beneficial for participants — beyond any direct health interventions. The study followed 282 Mexican-origin adults living near the US-Mexico border in Yuma County, Arizona, over roughly two years. When participants were interviewed at the end of the study, 192 of them shared their experiences. Researchers found that participants felt emotionally supported, gained new health knowledge, received personalized health information, and were moved to reflect on their own health in new ways — all as a result of their interactions with the CHW researchers.
Participants reported that these positive research experiences led them to make real changes in their lives, such as eating better, being more physically active, seeking medical care, and paying more attention to their mental health. The study found that a key ingredient was the relationship between participants and the community health workers, who created an atmosphere of trust and care that made people feel comfortable opening up and receptive to health information. This is notable because the study was observational — meaning it was designed to study health patterns, not to deliver health interventions — yet participants still experienced meaningful health-related benefits.
This research suggests that how a study is designed and who leads it matters greatly for participants, particularly in communities that are often underrepresented in research such as immigrant and farmworker populations. Involving community health workers as full research partners — from study design through data collection — may help build the kind of trust that makes research participation a positive and empowering experience for community members, and could serve as a model for more equitable and community-centered public health research.
Crocker R, Duenas K, Ingram M, Figueroa M, Torres E, Carvajal S. (2026). "They connected me to my health": perceived benefits of an etiological cohort study led by community health workers in the Southwest Borderlands.. Frontiers in public health. https://doi.org/10.3389/fpubh.2026.1736316