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Linking birth certificates with Medicaid data to enhance population health assessment: methodological issues addressed.

This study linked birth certificates with Minnesota Medicaid deliveries in order to identify Medicaid births. This article describes the link between methodology and results. Medicaid claims from 1997 were used to identify women with a delivery code. Identifiers for these women were linked to birth certificate files, with a match rate of 93.2 percent. Women's match status did not differ by maternal age. Women in some border counties matched at much lower rates than the rest of the population. The methodology was effective in linking Medicaid and birth certificate data and will be implemented as a data linkage protocol for Minnesota.

Birth Certificates↗

Measuring the impact of a public health data training program.

In spring and fall of 2000, 109 community health professionals participated in "Public Health Data: Our Silent Partner," a training program developed by the Centers for Disease Control and Prevention (CDC). The two-day training was offered four times in different locations in New York State in response to local health departments and community partners identifying a need for data analysis training. Participants completed evaluations during the training, and they were surveyed within a year of completing the training. This article discusses the impact of the training and suggests ways to increase the value of the training.

Centers for Disease Control and Prevention, U.S.↗

Public health surveillance approaches in Oregon's Medicaid population.

The development of methods for public health surveillance in Medicaid populations is an important goal for public health practice. In Oregon, we developed approaches to case finding using claims and self-reported data obtained from the Medicaid beneficiary population. Disease rosters, derived from claims data, form the basis for analyses pertaining to particular health conditions. Self-reported information obtained through a telephone survey forms the basis for analyses pertaining to behavioral risk factors, disease history, and other information not available in claims data. We also describe some projects in which we plan to use combined claims and survey data. We describe our experiences with using these techniques and provide examples from projects in progress or planned. Our initial experiences suggest that these approaches enhance our ability to conduct public health surveillance in Oregon's Medicaid population.

Feasibility Studies↗

Assuring community emergency care capacity with collaborative Internet tools: the Milwaukee experience.

Hospital overcrowding and diversion of ambulances from emergency departments are being recognized as increasing problems in the health care system. This article, a descriptive narrative, examines the various factors contributing to the problem and describes how collaborative approaches to public health issues can be applied. It describes Milwaukee's experience with a collaborative approach. The use of a technological tool to assist with tracking and reporting on ambulance diversion and emergency department overload is explained, and data are provided to show the impact of various methods to blunt the impact of the flu season on diversion frequency. The article encourages use of similar collaborative approaches and Internet-based technology to address other public health problems.

Ambulances↗

Developing performance measures for immunization registries.

Quantitative performance indicators were developed to monitor immunization registry progress of the 16 All Kids Count (AKC) grantees. Results were reviewed to determine if (1) the indicators measured immunization registry progress, (2) the results could be compared across AKC projects, and (3) other immunization registries could use the indicators. The study found that the AKC performance indicators provide a useful template for registries to measure their progress toward developing fully mature registries. Public health leaders should join with private health sector representatives to build on the immunization registry experience and develop and test performance indicators for integrated information systems in order to develop common goals and monitor changes in a comprehensive way.

Benchmarking↗

Using the National Neighborhood Indicators Partnership to improve public health.

The National Neighborhood Indicators Partnership (NNIP), a collaborative effort, uses local information in community building and policy making. A local intermediary in 19 NNIP partnership cities builds local data systems. Partners have learned five important lessons: (1) neighborhood-level data are essential for developing public policy, (2) technological advances have made it possible to maintain detailed local databases at relatively low cost, (3) various types of local organizations can serve as local partners, (4) good leadership is critical to building bridges across agencies, and (5) providing data is only the first step. Data must be used in ways that are visible, useful, and responsive to the community if the project is to succeed.

Community Health Planning↗

The role of epidemiology in chronic disease prevention and health promotion programs.

Although the role for epidemiology is widely accepted in public health programs in general, its role in chronic disease programs is not as widely recognized. One possible barrier to improving epidemiologic capacity in chronic disease prevention and health promotion programs is that chronic disease program managers and public health decision makers may have a limited understanding of basic chronic disease epidemiology functions. We describe the assessment process of data collection, analysis, interpretation, and dissemination, and, using examples from two states, illustrate how this approach can be used to support program and policy development in three areas: by defining the problem, finding programs that work, and evaluating the effects of the program over time. Given the significant burden of chronic diseases in the United States, the scientific guidance provided by epidemiology is essential to help public health leaders identify priorities and intervene with evidence-based and effective prevention and control programs.

Chronic Disease↗

Administrative data as a tool for arthritis surveillance: estimating prevalence and utilization of services.

The public health burden of arthritis and related conditions is incompletely described by commonly used public health surveillance systems. We examined the potential of administrative data as a supplement. The administrative data sources we used underestimated the prevalence of arthritis and overestimated service utilization for persons with arthritis when data from only one year were used. The use of five year's data doubled the prevalence estimate and reduced the service utilization estimate by half. The demographics of the population covered by administrative data also influence the prevalence estimate. Administrative data may usefully supplement routine public health surveillance systems but must be used with caution.

Adolescent↗

Public health surveillance of diabetes in the United States.

The Centers for Disease Control and Prevention Division of Diabetes Translation supports a national and state surveillance system that analyzes, interprets, and reports on diabetes risk behaviors, risk factors, care practices, morbidity, and mortality. Data sources include surveys, the U.S. Renal Data System, the Indian Health Service, information on hospital inpatients, birth and death certificates, and special studies to use and to better understand the usefulness of data from managed care, Medicare, and Medicaid for monitoring diabetes. These data are used to define the magnitude and burden of diabetes; monitor changes in burden over time; guide public health planning and policy making, and assess progress toward diabetes objectives, such as those in Healthy People 2010. Challenges facing the diabetes surveillance system are limitations in data sources; the capture of undiagnosed diabetes; tracking key risk factors, such as levels of glycemia and lipids; and surveillance of high- or emerging-risk populations such as racial and ethnic groups, children and youth, and those with prediabetes. Limited resources, competing priorities, and issues of data privacy also challenge surveillance. To overcome these factors, the Division of Diabetes Translation strongly emphasizes partnering with other organizations, such as the Medicare and Medicaid programs, managed care, and other chronic disease programs.

Centers for Disease Control and Prevention, U.S.↗

Security aspects of electronic data interchange between a state health department and a hospital emergency department.

Electronic emergency department reporting provides the potential for enhancing local and state surveillance capabilities for a wide variety of syndromes and reportable conditions. The task of protecting data confidentiality and integrity while developing electronic data interchange between a hospital emergency department and a state public health department proved more complex than expected. This case study reports on the significant challenges that had to be resolved to accomplish this goal; these included application restrictions and incompatibilities, technical malfunctions, changing standards, and insufficient dedicated resources. One of the key administrative challenges was that of coordinating project security with enterprise security. The original project has evolved into an ongoing pilot, with the health department currently receiving secure data from the emergency department at four-hour intervals. Currently, planning is underway to add more emergency departments to the project.

Computer Communication Networks↗

Family perspectives on integrated child health information systems.

The perspectives of families, and especially parents of children with special health care needs, need to be better understood by the government agencies, health care providers, associations, and information systems vendors that are integrating child health information systems. To date, research on children with special health care needs has not included the perspectives of parents on integrated child health information systems. Interviews were conducted with a limited number of parents of children with special health care needs and a young adult with special health care needs about their perspectives on integrated health information systems needs. The interviews revealed common themes: (1) parents have experienced the benefits of information technology for health care purposes, (2) parents believe integrated health information systems could help to coordinate their children's health care, (3) parents believe information technology can help improve accuracy and timeliness of information, (4) parents of children with special health care needs believe their children's health information should be available to those who need it, but safeguards must be in place, (5) parents believe health information systems can improve health care, but it is not the highest priority health care issue for them, and (6) parents believe that their involvement in issues related to children with special health care needs, including information technology, is critical. Parents of children with special health care needs hold strong opinions about their children's health care, including health information systems. Parents need to be central to discussions about development of integrated child health information systems if we are to develop information systems that serve the needs of children with special health care needs and their families.

Adolescent↗

Key elements for successful integrated health information systems: lessons from the States.

The Genetic Services Branch, Maternal and Child Health Bureau of the Health Services and Resources Administration has provided funding to state health departments to integrate their newborn dried blood-spot screening programs with other early child health information systems since 1999. In 2001, All Kids Count conducted site visits to these grantees to identify and describe best practices in planning, developing, and implementing their integration projects. The site visits were organized around 9 key elements considered critical to the success of an information systems integration project: leadership, project governance, project management, stakeholder involvement, organizational and technical strategy, technical support and coordination, financial support and management, policy support and evaluation. Best practices for each of the key elements and 5 lessons learned were documented in Integration of Newborn Screening and Genetic Service Systems with Other Maternal & Child Health Systems: A Sourcebook for Planning and Development. The lessons learned are overarching conclusions that agencies should consider when planning and implementing integrated information systems. This article briefly describes the key elements, their best practices as implemented by states, and the lessons learned.

Child↗

Assessing organizational readiness and capacity for developing an integrated child health information system.

The Tool for Assessment and Planning (the Tool) assists public health teams in designing child health information integration projects from planning through early implementation. The tool is a companion to Integration of Newborn Screening and Genetic Services Systems with Other Maternal and Child Health Systems: A Sourcebook for Planning and Development (the Sourcebook). The Tool and the Sourcebook focus on 9 key elements considered critical to supporting information systems integration. The 9 key elements are: leadership, project governance, project management, stakeholder involvement, organizational and technical strategies, technical support and coordination, financial support and management, policy support, and evaluation. Project teams can use the Tool to assess their organizational readiness and capacity by examining the critical components and strategies required to support success based on the 9 key elements. The questions are intended to promote discussion among project team members and to identify specific action steps. The Tool includes a planning matrix to track those action steps and to identify accountable personnel. Strategically examining the critical elements and documenting next steps increases the likelihood of a successful integration project.

Child↗

Principles and core functions of integrated child health information systems.

Infants undergo a series of preventive and therapeutic health interventions and activities. Typically, each activity includes collection and submission of data to a dedicated information system. Subsequently, health care providers, families, and health programs must query each information system to determine the child's status in a given area. Efforts are underway to integrate information in these separate information systems. This requires specifying the core functions that integrated information systems must perform.

Child↗

Perspectives on integrated child health information systems: parents, providers, and public health.

The efforts of families, health care providers, and public health programs to optimize health care and health outcomes for children are often limited by the lack of timely, complete, and accurate health information. Families frequently serve as the messenger between providers in providing clinical details that they may not understand, because the paper record of previous care is unavailable. Providers believe in the value of good information, but haven't the time, training, or financial resources to create better data sharing methods. Public health programs often must rely on unacceptably slow, redundant, or otherwise limited data collection efforts to provide population-based assessments of child health problems that inform public policy and program development. Integrated child health information systems allow the appropriate, secure sharing of health data that are critical to improving these processes. Developing such systems will require a strong commitment from these 3 stakeholder groups and attention to human values as well as technical challenges.

Attitude↗

Assessing what child health information systems should be integrated: the Michigan experience.

This project examined which child health data would be appropriate and useful to integrate with an existing real-time Michigan Department of Community Health (MDCH) application, such as the Michigan Childhood Immunization Registry. A consultant was secured to conduct data gathering analysis activities. An advisory committee of MDCH Administrators convened to guide the project. Interviews were conducted with MDCH administrators, program managers and representatives from the public and private health care provider community. These interviews focused on answering three main questions: (1) What MDCH data resources do you currently use? (2) How do you use and access these data? and (3) What is your vision for expanding, enhancing, and linking these data to meet Michigan's future health goals? Acceptance of the Michigan Childhood Immunization Registry by the pediatric and family practice community demonstrates the utility of providing more information electronically to the medical community in Michigan. The MDCH has completed a stakeholders analysis and is moving forward with requirements gathering sessions in order to create an integrated child health data system. The integrated child health data system will include data from immunizations, newborn screening, newborn hearing, lead, the Women, Infants, and Children program, and Medicaid.

Child↗

Integrating the New York citywide immunization registry and the childhood blood lead registry.

In February of 2004, the New York City Department of Health and Mental Hygiene completed the integration of its childhood immunization and blood lead test registry databases, each containing over 2 million children. A modular approach was used to build a separate integrated system, called Master Child Index, to include all children in both the immunization and lead test registries. The principal challenge of this integration was to properly align records so that a child represented in one database is matched with the same child in the other database. To accomplish this task as well as to identify internal duplicate records within each database, an artificial intelligence record linkage system was created. The preliminary results show high rates of accurate merging of records both within and between the two databases. The 4,610,585 records contained in both databases before Master Child Index implementation consolidated into 2,977,290 records in the integrated system. The matching system eliminated 523,720 duplicate records within the two databases and matched and merged 1,109,575 records between the two databases. The Department of Health and Mental Hygiene plans to further develop the Master Child Index and use it as the department-wide, record-matching system.

Artificial Intelligence↗

The near-term future for child health information systems.

The developmental process in children offers an opportunity to influence their health and well-being as adults. The information infrastructure of the future needs to support the multiple partners responsible for providing elements of the health protection and health care of children. In this partnership, public health plays simultaneously a supportive role and a leadership role. Five tasks need to guide near-term information systems thinking with respect to establishing a basis for building electronic linkages among various child health programs. First, the nation's vital records system must be reengineered to ensure that this key information asset can be integrated into other child health information systems. Second, through an appropriate governance structure, the key stakeholders in child health should endorse standards and requirements that define a longitudinal health record for children. Third, public health agencies should develop a thorough business case/value proposition that drives mutually developed and mutually endorsed requirements for the integration of presently fragmented systems. Fourth, public health should take the lead in ensuring that parents have convenient access to information that can support the coordination of their child's care and development. And fifth, provider groups and public health agencies should join research networks to study how information supports positive changes to children's health.

Child↗