A randomized controlled intervention tested the effectiveness of a community health worker (CHW) program in increasing compliance with annual preventive exams among uninsured Hispanic women living in a rural U.S.-Mexico border area. During 1999-2000, household surveys were administered to women aged 40 and older. Uninsured women not receiving routine comprehensive preventive care were invited to participate in a free comprehensive clinical exam. Participants in the initial exam were eligible to participate in the CHW (promotora) intervention. Women were randomized to one of two intervention arms. One arm received a post-card reminder for an annual preventive exam, the other a postcard reminder and follow-up visit by a promotora. Receiving the promotora intervention was associated with a 35% increase in rescreening over the postcard-only reminder (risk ratio [RR] = 1.35, 95% confidence interval 0.95-1.92). Using promotoras to increase compliance with routine screening exams is an effective strategy for reaching this female population.
The purpose of this qualitative study was to elicit information on why a promotora (or, community health worker (CHW)) increased adherence to chronic disease screening among women along the U.S.-Mexico border. After completion of the intervention, women and clinic staff who participated in the promotora phase of a randomized, controlled study answered structured, open-ended questionnaires. Clinicians from two non-participating clinics were also interviewed. Content analysis found that the promotora's roles included health education and the facilitation of routine and follow-up care. Clients appreciated the promotora's socio-cultural characteristics, as well as her personal skills and qualities, and described her as a trained, natural helper whose personalized support removed barriers to health care and helped women to take care of themselves. Most clinicians recommended working with a CHW to increase adherence to chronic disease prevention practices. A CHW can play a crucial role on a health care team and interventions should tap into this resource.
The Community Health Worker model is recognized nationally as a means to address glaring inequities in the burden of adverse health conditions that exist among specific population groups in the United States. This study explored Arizona CHW involvement in advocacy beyond the individual patient level into the realm of advocating for community level change as a mechanism to reduce the structural underpinnings of health disparities. A survey of CHWs in Arizona found that CHWs advocate at local, state and federal political levels as well as within health and social service agencies and business. Characteristics significantly associated with advocacy include employment in a not for profit organization, previous leadership training, and a work environment that allows flexible work hours and the autonomy to start new projects at work. Intrinsic characteristics of CHWs associated with advocacy include their belief that they can influence community decisions, self perception that they are leaders in the community, and knowledge of who to talk to in their community to make change. Community-level advocacy has been identified as a core CHW function and has the potential to address structural issues such as poverty, employment, housing, and discrimination. Agencies utilizing the CHW model could encourage community advocacy by providing a flexible working environment, ongoing leadership training, and opportunities to collaborate with both veteran CHWs and local community leaders. Further research is needed to understand the nature and impact of CHW community advocacy activities on both systems change and health outcomes.
Community Health Workers (CHWs) have gained national recognition for their role in addressing health disparities and are increasingly integrated into the health care delivery system. There is a lack of consensus, however, regarding empirical evidence on the impact of CHW interventions on health outcomes. In this paper, we present results from the 2010 National Community Health Worker Advocacy Survey (NCHWAS) in an effort to strengthen a generalized understanding of the CHW profession that can be integrated into ongoing efforts to improve the health care delivery system. Results indicate that regardless of geographical location, work setting, and demographic characteristics, CHWs generally share similar professional characteristics, training preparation, and job activities. CHWs are likely to be female, representative of the community they serve, and to work in community health centers, clinics, community-based organizations, and health departments. The most common type of training is on-the-job and conference training. Most CHWs work with clients, groups, other CHWs and less frequently community leaders to address health issues, the most common of which are chronic disease, prevention and health care access. Descriptions of CHW activities documented in the survey demonstrate that CHWs apply core competencies in a synergistic manner in an effort to assure that their clients get the services they need. NCHWAS findings suggest that over the past 50 years, the CHW field has become standardized in response to the unmet needs of their communities. In research and practice, the field would benefit from being considered a health profession rather than an intervention.
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