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PubMedDate not supplied

Community health workers and professional nurses: defining the roles and understanding the relationships.

The use of community health workers (CHWs) has been advocated in both developed and developing countries for many years. This article reports the findings of a descriptive research study that explored the relationship between CHWs and nurses working in resource-poor settings in South Africa. The findings of the study highlight dimensions of complex interactions occurring between these two main providers of care at the district level. Understanding the primary interaction of CHWs with nurses offers further understanding of the broader role of CHWs within the district health system. It is evident that CHWs are ideally suited to play a pivotal role in supporting the public health services. However, their role and functions are not formalized and the effectiveness of programs is often not rigorously evaluated. This article discusses some of the issues related to this cadre of health worker and their role in public health care structures.

Adult↗
PubMed2004

A model for home care clinician and home health aide collaboration: diabetes care by nurse case managers and community health workers.

Researchers at Johns Hopkins University conducted a randomized clinical trial to test the effect of nurse case management and community health worker interventions on diabetes control among inner city African Americans. The results demonstrated that the greatest improvement occurred when nurse case managers and community health workers worked together. This study has implications for how nurse/home health aide collaboration can enhance diabetes management in home care.

Adult↗
PubMed2004

[Assessment of management training for low-level community health workers providing care for children with acute respiratory infections in four districts of Senegal].

BACKGROUND: Acute respiratory infections are the leading cause of death in childhood and most child deaths in Senegal occur at home without qualified health care. Despite this situation, only qualified healthcare workers are authorized to prescribe antibiotics. A competency-based training program was developed to improve and assess management of acute respiratory infections in young children aged between 2 and 59 months by low-level educated community health workers (CHWs) in four districts of Senegal. METHODS: In accordance with the strategy developed by the World Health Organisation, educated low-level community health workers in four district of Senegal were given a three-day course on the management of acute respiratory failure. We assessed the effects of the course by comparing pre-training and post-training skills with the Students t test. RESULTS: The results showed that the educated low-level community health workers were capable of acquiring the skills needed to effectively manage children with acute respiratory failure. CONCLUSION: Further evaluation is needed to determine the mid- and long-term effects of the course and supervised post-training activities.

Acute Disease↗
PubMed2002

Using participant information to develop a tool for the evaluation of community health worker outreach services.

OBJECTIVE: Because there is no instrument that measures how clients judge community health worker (CHW) services, we sought to develop such a questionnaire. We report how we used client information to develop a brief questionnaire evaluating CHW services. DESIGN: We conducted and content-analyzed 18 in-depth semi-structured interviews of clients receiving CHW services to determine aspects of care salient to clients. Based on the results of these analyses, we developed and administered an in-person survey measuring the importance of 57 aspects of CHW services to 84 clients in 3 programs using CHWs to help control hypertension or diabetes. RESULTS: Clients perceived a broad array of aspects of CHW care including CHW attributes, services, benefits or outcomes of service and service arrangements. The 15 aspects ranking highest included: 1) CHW knows job; 2) CHW keeps client alive; 3) CHW gives information on high blood pressure; 4) CHW shows respect; 5) blood pressure is lowered; 6) CHW pays attention; 7) client gets better medical care; 8) CHW speaks understandably; and 9) client gets needed care. CONCLUSION: We used client information to generate and determine the relative importance of a pool of aspects that we and others can use to construct brief questionnaires to measure clients' judgments of CHW services. Such questionnaires are needed for ongoing evaluation as more providers and managed care organizations increase their use of CHWs for outreach programs.

Adult↗
PubMed1999

Linking community-based blood pressure measurement to clinical care: a randomized controlled trial of outreach and tracking by community health workers.

OBJECTIVES: This study assessed the effectiveness of enhanced tracking and follow-up services provided by community health workers in promoting medical follow-up of persons whose elevated blood pressures were detected during blood pressure measurement at urban community sites. METHODS: In a randomized controlled trial, 421 participants received either enhanced or usual referrals to care. Participants were 18 years or older, were either Black or White, and had blood pressure greater than or equal to 140/90 mm Hg and income equal to or less than 200% of poverty. The primary outcome measure was completion of a medical follow-up visit within 90 days of referral. RESULTS: The enhanced intervention increased follow-up by 39.4% (95% confidence interval [CI] = 14%, 71%; P = .001) relative to usual care. Follow-up visits were completed by 65.1% of participants in the intervention group, compared with 46.7% of those in the usual-care group. The number needed to treat was 5 clients (95% CI = 3, 13) per additional follow-up visit realized. CONCLUSIONS: Enhanced tracking and outreach increased the proportion of persons with elevated blood pressure detected during community measurement who followed up with medical care.

Adolescent↗
PubMed2004

Direct observation of treatment for tuberculosis: a randomized controlled trial of community health workers versus family members.

We implemented community-based direct observation of treatment, short course (DOTS), including a randomized controlled trial of direct observation either by community health workers (CHWs) or family members, under operational conditions in a region of Swaziland. There was a high death rate of 15%, due to the high HIV rates in the region. There was no significant difference in the cure and completion rate between direct observation of treatment by CHWs and family members [2% difference (95% CI -3% to 7%), exact P = 0.52]. A before-and-after comparison of outcomes demonstrated that the cure and treatment completion rate improved from a baseline of 27-67% following implementation of community-based DOTS. We conclude that community-based tuberculosis DOTS can improve successful outcomes of treatment. However, direct observation can be undertaken effectively using either daily family or CHW supervision. The choice of treatment supporter should be based on access, patient preference and availability of CHW resource.

Adolescent↗
PubMed2006

Community health worker training and certification programs in the United States: findings from a national survey.

OBJECTIVE: To analyze trends and various approaches to professional development in selected community health worker (CHW) training and certification programs in the United States. We examined the expected outcomes and goals of different training and certification programs related to individual CHWs as well as the community they serve. METHOD: A national survey of CHW training and certification programs. Data collection was performed through personal interviews, phone interviews and focus groups. Data sources included public health officials, healthcare associations, CHW networks, community colleges, and service providers. Initial screening interviews resulted in in-depth interviews with participants in 19 states. We applied human capital theory concepts to the analysis of the rich qualitative data collected in each state. RESULTS: CHW programs in the U.S. seem to have been initiated mainly due to lack of access to healthcare services in culturally, economically, and geographically isolated communities. Three trends in CHW workforce development were identified from the results of the national survey: (1) schooling at the community college level - provides career advancement opportunities; (2) on-the-job training - improves standards of care, CHW income, and retention; and (3) certification at the state level - recognizes the work of CHWs, and facilitates Medicaid reimbursement for CHW services. CONCLUSION: Study findings present opportunities for CHW knowledge and skill improvement approaches that can be targeted at specific individual career, service agency, or community level goals. Trained and/or certified community health workers are a potential new and skilled healthcare workforce that could help improve healthcare access and utilization among underserved populations in the United States.

Certification↗
PubMedDate not supplied

[Changes in child health indicators in a municipality with community health workers: the case of Itapirapuã Paulista, Vale do Ribeira, São Paulo State, Brazil].

Twelve community health workers (CHWs) were trained to offer basic health care for children under five years of age through household visits in Itapirapuã Paulista, a municipality in Vale do Ribeira, São Paulo State, Brazil. Their tasks included diagnosis, initial treatment, and management of diarrhea and acute respiratory diseases at the household level, growth monitoring, incentives to complete basic immunization, and counseling on infant food supplementation. An average of 409 (396-417) children were visited weekly by CHWs in their homes over the course of three years. In this period, the hospitalization rate dropped drastically, and the use of oral rehydration therapy during bouts of diarrhea increased greatly. However, prevalence of stunting and incidence of low birth weight did not change. Child health indicators (CHI) in this municipality were better than those in a municipality chosen as a control. CHWs may have contributed to improved local CHI, but the results should be interpreted with caution for two reasons: (1) CHI is improving in Brazil countrywide and (2) it is a small program implemented in an area with high morbidity and mortality rates and low availability of health services.

Brazil↗
PubMed1976

An introductory course in prescription drugs for community health workers developed by a systems approach.

A 16-hour introductory course in prescription drugs for community health workers was developed by a systems approach. It featured an emphasis on: (1) learning the broad indications, side effects, and adverse reactions of the 30 most commonly prescribed drugs in the outpatient clinic, and (2) aiding the workers in patient education. Teaching materials were simple and inexpensive. An evaluation based on a pretest of the course's objectives compared to a final test documented the success of the instruction.

Boston↗
PubMed2002

Validity and utility of community health workers' estimation of kava use.

OBJECTIVE: Estimating illicit substance use in epidemiological studies is challenging, particularly across ethical, cultural and language barriers. While developing the methods for a case-control study of the effects of heavy kava consumption among Aboriginal people in remote Northern Territory (NT), we examined the validity and utility of alternative methods for estimating exposure. METHODS: We assessed the level of agreement between a consensus of Aboriginal health workers in two different communities using interviews conducted with community members and health workers and individuals' self-reported kava consumption. Exposure measures included history of kava use, current kava use and history of heavy use. Agreement between a health worker consensus classification and individuals' self-report was analysed and agreement among several health workers in a consensus classification without self-report was assessed. RESULTS: Health workers concurred about an individual's history of kava use (k=0.83), current use (k=0.43) and also level of use (k=0.33). There was very good agreement between health workers' consensus and self-reported history of use (k=0.77). Agreement among health workers about current kava use was poor (k=0.08), while there was fair agreement between health workers and self-reported heavy kava users (k=0.36). Data from review of clinic patient notes supported agreement between consensus classification and self-reported history and level of use (k=0.39). CONCLUSIONS: Self-reported kava use may be a poor estimate of current use especially when obtained from interviews away from a confidential clinic setting. Consensus classification by knowledgeable Aboriginal health workers provided comprehensive coverage, efficiently and with greater reliability and assisted to identify 'excessive' kava use.

Community Health Workers↗
PubMedDate not supplied

State of evaluation: community health workers.

Disparity groups, especially racial and ethnic minority groups, are at greater risk for poor health yet experience numerous obstacles in accessing health care. Community health workers (CHWs) are indigenous, trusted, and respected members of the underserved community. They can serve as a bridge between peers and health professionals. Use of CHWs has fluctuated since the federal government first endorsed their use for expanded health access to the underserved in the 1960s. National demands to eliminate health disparities and recent socioeconomic pressures have focused attention on use of CHWs to improve community health. Still, underutilization exists due to, in part, a lack of understanding of the CHW concept and a dearth of evaluation literature on CHWs. This article describes the CHW concept, provides a summary of CHW evaluation literature, and suggests quality care indicators to strengthen evaluation. The review of evaluation research relating to CHWs provides a preliminary state of the science for nurses to begin building an evidence-based practice. Quality of care indicators pertinent to CHW are summarized from the existing evaluation literature. The three best practice domains (therapeutic alliance, risk reduction and health care utilization) are proposed along with suggestions for using quality indicators to improve evaluation. A reduction in health disparities can occur with enhanced CHW utilization.

Benchmarking↗
PubMed2006

Falls prevention training for community health workers: strategies and actions for independent living (SAIL).

This article describes a quasi-experimental study on falls prevention for clients of home support services in British Columbia, Canada. The study tested a nurse-designed multifactorial intervention, delivered by community health workers. The intervention consisted of 1 day of falls surveillance and prevention training for 51 community health workers, followed by 6 months of evidence-based interventions with their clients (n = 70) using a pretested Checklist and Action Plan. Study findings showed a 43% reduction (chi2 = 8.742, p < .01) in falls and a 44% reduction (chi2 = 5.739, p < .05) for fallers (those who fell once or more) from the 6-month preintervention period to postintervention. The proportion of falls resulting in any injury did not decrease; however, fractures were reduced from seven in the 6-month preintervention period to one following the intervention. The results indicate this intervention is an effective and inexpensive falls prevention strategy for frail recipients of home support services.

Accident Prevention↗
PubMed2004

Knowledge, beliefs and attitudes of community health workers about hypertension in the Cape Peninsula, South Africa.

This article explores the perceptions and attitudes of community health workers (CHWs) about hypertension. The level of knowledge of hypertension, as well as their personal attitude towards this is crucial in the style and quality of their interventions. CHWs, whose role in health promotion is being increasingly recognised, can help contain or reduce the prevalence of hypertension by influencing the community to adopt healthy lifestyles. Forty-three CHWs employed by Zanempilo in two study areas, Sites B and C in Khayelitsha in the Cape Peninsula, South Africa, were included in the study. Firstly, focus group discussions were conduced with 17 purposively selected CHWs to explore attitudes, beliefs and perceptions of hypertension. Secondly, interviews were conducted to assess their basic knowledge about causes, prevention and control of hypertension. The focus group discussions revealed that CHWs were uncertain about the causes of hypertension. They also found it difficult to grasp the fact that people without risk factors, such as overweight or a family history of hypertension, could be hypertensive. Many CHWs believe in traditional medicines and home-brewed beer as the best treatment for hypertension. They believe that people who take medical treatment become sicker and that their health deteriorates rapidly. Risk factors of hypertension mentioned during the structured interviews include inheritance, lack of physical activity, consuming lots of salty and fatty food. Conclusions drawn from the findings of the CHWs' responses highlighted their insufficient knowledge about hypertension as a chronic disease of lifestyle. Meanwhile they are expected to play a role in stimulating community residents' interest in the broad principle of preventive health maintenance and follow-up. Data obtained from this research can be used for the planning of health-promotion programmes. These should include preventing hypertension and improving primary management of individual sufferers. Because of their working relations and close link with CHWs, community nurses in primary health-care facilities need to recognise these beliefs and attitudes since these may differ from their own.

Adult↗
PubMed2005

Intervention models for the management of children with signs of pneumonia or malaria by community health workers.

A systematic review was conducted to categorize and describe Intervention Models involving community health workers (CHWs) that aim to improve case management of sick children at the household and community levels. The review focused on management of children with signs of malaria or pneumonia. Seven Intervention Models were identified, and classified according to: (1) the role of CHWs and families in assessment and treatment of children, (2) system of referral to the nearest health facility (verbal or facilitated), and (3) the location in the community of the drug stock. Standardization of terminology for Intervention Models using this or a similar classification could facilitate comparison and selection of models, including deciding how to modify programmes when policies change concerning first-line drugs, and setting priorities for further research. Of the seven models, that of CHW pneumonia case management (Model 6) has the strongest evidence for an impact on mortality. Pneumonia case management by CHWs is a child health intervention that warrants considerably more attention, particularly in Africa and South Asia.

Case Management↗
PubMed2001

Community health worker performance in the management of multiple childhood illnesses: Siaya District, Kenya, 1997-2001.

OBJECTIVES: To characterize community health worker (CHW) performance using an algorithm for managing common childhood illnesses in Siaya District, Kenya, we conducted CHW evaluations in 1998, 1999, and 2001. METHODS: Randomly selected CHWs were observed managing sick outpatient and inpatient children at a hospital, and their management was compared with that of an expert clinician who used the algorithm. RESULTS: One hundred, 108, and 114 CHWs participated in the evaluations in 1998, 1999, and 2001, respectively. The proportions of children treated "adequately" (with an antibiotic, antimalarial, oral rehydration solution, or referral, depending on the child's disease classifications) were 57.8%, 35.5%, and 38.9%, respectively, for children with a severe classification and 27.7%, 77.3%, and 74.3%, respectively, for children with a moderate (but not severe) classification. CHWs adequately treated 90.5% of malaria cases (the most commonly encountered classification). CHWs often made mistakes assessing symptoms, classifying illnesses, and prescribing correct doses of medications. CONCLUSIONS: Deficiencies were found in the management of sick children by CHWs, although care was not consistently poor. Key reasons for the deficiencies appear to be guideline complexity and inadequate clinical supervision; other possible causes are discussed.

Algorithms↗
PubMed2003

The effectiveness of a community health worker outreach program on healthcare utilization of west Baltimore City Medicaid patients with diabetes, with or without hypertension.

OBJECTIVES: Assess impact of community health workers (CHWs) on healthcare utilization of African-American Medicaid patients with diabetes mellitus (DM) with/without hypertension (HTN). DESIGN: Maryland Medicaid claim files were analyzed to compare utilization of emergency rooms, hospitalization, and costs in a population managed by CHWs (N=117). SETTING/PATIENTS: Patients were recruited from the discharge rolls of the University of Maryland Medical System (UMMS) and/or the Maryland Diabetes Care Program from March 1992 to June 1994. INTERVENTION: CHWs alternated weekly home visits and phone contacts to teach patients to understand the need to control their illnesses, to follow both their therapy and behavioral regimens, and to maintain appropriate visits to a primary care practitioner. RESULTS: Total emergency room (ER) visits declined by 40%; ER admissions to hospitals declined by 33%, as did total hospital admissions; and Medicaid reimbursements declined by 27%. CONCLUSIONS: The CHW program resulted in an average savings of 2,245 dollars per patient per year, and a total savings of 262,080 dollars for 117 patients, with improved quality of life (QOL) indicating cost effectiveness.

Adolescent↗
PubMed1997

Effect of a bicultural community health worker on completion of diabetes education in a Hispanic population.

OBJECTIVE: To determine the effect of a bicultural community health worker (CHW) on completion of diabetes education in an inner-city Hispanic patient population and to evaluate the impact of completion of the education program on patient knowledge, self-care behaviors, and glycemic control. RESEARCH DESIGN AND METHODS: Patients were randomized into CHW intervention and non-CHW intervention groups. All patients received individualized, comprehensive diabetes education from a certified diabetes nurse educator after baseline demographic information, diabetes knowledge, diabetes self-care practices, and glycohemoglobin levels were assessed. Rates of education program completion were determined. Diabetes knowledge, self-care practices, and glycohemoglobin levels were reassessed at program completion and at a later postprogram follow-up medical appointment and compared to baseline. Logistic regression analysis and the Mantel-Haenszel chi 2 statistic were used to determine the effect of the CHW assignment on program completion. Analyses of covariance were performed with end-of-treatment behavior scores, knowledge scores, and glycohemoglobin levels as outcome variables, controlling for baseline values and testing for the effect of CHW assignment. RESULTS: Of 64 patients enrolled in the study, 40 (63%) completed and 24 (37%) dropped out before completing the diabetes education program. Of the patients having CHW intervention, 80% completed the education program, compared with 47% of patients without CHW intervention (P = 0.01). "Dropouts" were younger (age 47.5 +/- 12.5 years [mean +/- SD]) compared with patients who completed the program (55.9 +/- 9.9 years) (P = 0.004). Dropout status showed no significant relationship to educational level achieved or literacy level. For the program "completers," knowledge levels and selected self-care practices significantly improved, and glycohemoglobin levels improved from a baseline level of 11.7% to 9.9% at program completion (P = 0.004) and 9.5% at the postprogram follow-up (P < 0.001). The effect of the CHW assignment on program completion, controlling for financial status and language spoken, was extremely robust (P = 0.007). The effect of the CHW on knowledge, self-care behavior, or glycohemoglobin outcome variables was not statistically significant. CONCLUSIONS: These findings suggest that intervention with a bicultural CHW improved rates of completion of a diabetes education program in an inner-city Hispanic patient population irrespective of literacy or educational levels attained. Our data further suggests that completion of individualized diabetes educational strategies leads to improved patient knowledge, self-care behaviors, and glycemic control.

Adult↗