Health Status: The level of health of the individual, group, or population as subjectively assessed by the individual or by more objective measures.Health Status Indicators: The measurement of the health status for a given population using a variety of indices, including morbidity, mortality, and available health resources.Public Health: Branch of medicine concerned with the prevention and control of disease and disability, and the promotion of physical and mental health of the population on the international, national, state, or municipal level.Health Surveys: A systematic collection of factual data pertaining to health and disease in a human population within a given geographic area.Mental Health: The state wherein the person is well adjusted.Delivery of Health Care: The concept concerned with all aspects of providing and distributing health services to a patient population.Health Status Disparities: Variation in rates of disease occurrence and disabilities between population groups defined by socioeconomic characteristics such as age, ethnicity, economic resources, or gender and populations identified geographically or similar measures.Health Policy: Decisions, usually developed by government policymakers, for determining present and future objectives pertaining to the health care system.Health: The state of the organism when it functions optimally without evidence of disease.Health Promotion: Encouraging consumer behaviors most likely to optimize health potentials (physical and psychosocial) through health information, preventive programs, and access to medical care.Health Care Reform: Innovation and improvement of the health care system by reappraisal, amendment of services, and removal of faults and abuses in providing and distributing health services to patients. It includes a re-alignment of health services and health insurance to maximum demographic elements (the unemployed, indigent, uninsured, elderly, inner cities, rural areas) with reference to coverage, hospitalization, pricing and cost containment, insurers' and employers' costs, pre-existing medical conditions, prescribed drugs, equipment, and services.Oral Health: The optimal state of the mouth and normal functioning of the organs of the mouth without evidence of disease.Health Services Accessibility: The degree to which individuals are inhibited or facilitated in their ability to gain entry to and to receive care and services from the health care system. Factors influencing this ability include geographic, architectural, transportational, and financial considerations, among others.Attitude to Health: Public attitudes toward health, disease, and the medical care system.Health Behavior: Behaviors expressed by individuals to protect, maintain or promote their health status. For example, proper diet, and appropriate exercise are activities perceived to influence health status. Life style is closely associated with health behavior and factors influencing life style are socioeconomic, educational, and cultural.Health Services: Services for the diagnosis and treatment of disease and the maintenance of health.Health Care Surveys: Statistical measures of utilization and other aspects of the provision of health care services including hospitalization and ambulatory care.Primary Health Care: Care which provides integrated, accessible health care services by clinicians who are accountable for addressing a large majority of personal health care needs, developing a sustained partnership with patients, and practicing in the context of family and community. (JAMA 1995;273(3):192)Insurance, Health: Insurance providing coverage of medical, surgical, or hospital care in general or for which there is no specific heading.Health Planning: Planning for needed health and/or welfare services and facilities.Socioeconomic Factors: Social and economic factors that characterize the individual or group within the social structure.Questionnaires: Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.Quality of Health Care: The levels of excellence which characterize the health service or health care provided based on accepted standards of quality.Health Services Needs and Demand: Health services required by a population or community as well as the health services that the population or community is able and willing to pay for.Cross-Sectional Studies: Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time.Quality of Life: A generic concept reflecting concern with the modification and enhancement of life attributes, e.g., physical, political, moral and social environment; the overall condition of a human life.Health Expenditures: The amounts spent by individuals, groups, nations, or private or public organizations for total health care and/or its various components. These amounts may or may not be equivalent to the actual costs (HEALTH CARE COSTS) and may or may not be shared among the patient, insurers, and/or employers.Health Services Research: The integration of epidemiologic, sociological, economic, and other analytic sciences in the study of health services. Health services research is usually concerned with relationships between need, demand, supply, use, and outcome of health services. The aim of the research is evaluation, particularly in terms of structure, process, output, and outcome. (From Last, Dictionary of Epidemiology, 2d ed)Health Personnel: Men and women working in the provision of health services, whether as individual practitioners or employees of health institutions and programs, whether or not professionally trained, and whether or not subject to public regulation. (From A Discursive Dictionary of Health Care, 1976)World Health: The concept pertaining to the health status of inhabitants of the world.Health Knowledge, Attitudes, Practice: Knowledge, attitudes, and associated behaviors which pertain to health-related topics such as PATHOLOGIC PROCESSES or diseases, their prevention, and treatment. This term refers to non-health workers and health workers (HEALTH PERSONNEL).Patient Acceptance of Health Care: The seeking and acceptance by patients of health service.Health Education: Education that increases the awareness and favorably influences the attitudes and knowledge relating to the improvement of health on a personal or community basis.Outcome Assessment (Health Care): Research aimed at assessing the quality and effectiveness of health care as measured by the attainment of a specified end result or outcome. Measures include parameters such as improved health, lowered morbidity or mortality, and improvement of abnormal states (such as elevated blood pressure).Nutritional Status: State of the body in relation to the consumption and utilization of nutrients.Occupational Health: The promotion and maintenance of physical and mental health in the work environment.Public Health Administration: Management of public health organizations or agencies.Urban Health: The status of health in urban populations.Rural Health: The status of health in rural populations.Environmental Health: The science of controlling or modifying those conditions, influences, or forces surrounding man which relate to promoting, establishing, and maintaining health.National Health Programs: Components of a national health care system which administer specific services, e.g., national health insurance.Women's Health: The concept covering the physical and mental conditions of women.Health Care Rationing: Planning for the equitable allocation, apportionment, or distribution of available health resources.Health Priorities: Preferentially rated health-related activities or functions to be used in establishing health planning goals. This may refer specifically to PL93-641.Educational Status: Educational attainment or level of education of individuals.Child Health Services: Organized services to provide health care for children.Health Literacy: Degree to which individuals have the capacity to obtain, process, and understand basic health information and services needed to make appropriate health decisions.Mental Health Services: Organized services to provide mental health care.Public Health Practice: The activities and endeavors of the public health services in a community on any level.Delivery of Health Care, Integrated: A health care system which combines physicians, hospitals, and other medical services with a health plan to provide the complete spectrum of medical care for its customers. In a fully integrated system, the three key elements - physicians, hospital, and health plan membership - are in balance in terms of matching medical resources with the needs of purchasers and patients. (Coddington et al., Integrated Health Care: Reorganizing the Physician, Hospital and Health Plan Relationship, 1994, p7)Community Health Services: Diagnostic, therapeutic and preventive health services provided for individuals in the community.Logistic Models: Statistical models which describe the relationship between a qualitative dependent variable (that is, one which can take only certain discrete values, such as the presence or absence of a disease) and an independent variable. A common application is in epidemiology for estimating an individual's risk (probability of a disease) as a function of a given risk factor.Social Class: A stratum of people with similar position and prestige; includes social stratification. Social class is measured by criteria such as education, occupation, and income.Activities of Daily Living: The performance of the basic activities of self care, such as dressing, ambulation, or eating.Age Factors: Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time.World Health Organization: A specialized agency of the United Nations designed as a coordinating authority on international health work; its aim is to promote the attainment of the highest possible level of health by all peoples.Prevalence: The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.Community Health Planning: Planning that has the goals of improving health, improving accessibility to health services, and promoting efficiency in the provision of services and resources on a comprehensive basis for a whole community. (From Facts on File Dictionary of Health Care Management, 1988, p299)Health Care Sector: Economic sector concerned with the provision, distribution, and consumption of health care services and related products.Attitude of Health Personnel: Attitudes of personnel toward their patients, other professionals, toward the medical care system, etc.Longitudinal Studies: Studies in which variables relating to an individual or group of individuals are assessed over a period of time.Rural Health Services: Health services, public or private, in rural areas. The services include the promotion of health and the delivery of health care.Chronic Disease: Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care. (Dictionary of Health Services Management, 2d ed)United StatesPoverty: A situation in which the level of living of an individual, family, or group is below the standard of the community. It is often related to a specific income level.Sex Factors: Maleness or femaleness as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or effect of a circumstance. It is used with human or animal concepts but should be differentiated from SEX CHARACTERISTICS, anatomical or physiological manifestations of sex, and from SEX DISTRIBUTION, the number of males and females in given circumstances.Preventive Health Services: Services designed for HEALTH PROMOTION and prevention of disease.Cohort Studies: Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics.Interviews as Topic: Conversations with an individual or individuals held in order to obtain information about their background and other personal biographical data, their attitudes and opinions, etc. It includes school admission or job interviews.Self-Assessment: Appraisal of one's own personal qualities or traits.Health Resources: Available manpower, facilities, revenue, equipment, and supplies to produce requisite health care and services.Health Facilities: Institutions which provide medical or health-related services.Prospective Studies: Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group.Health Manpower: The availability of HEALTH PERSONNEL. It includes the demand and recruitment of both professional and allied health personnel, their present and future supply and distribution, and their assignment and utilization.Health Services for the Aged: Services for the diagnosis and treatment of diseases in the aged and the maintenance of health in the elderly.Quality Assurance, Health Care: Activities and programs intended to assure or improve the quality of care in either a defined medical setting or a program. The concept includes the assessment or evaluation of the quality of care; identification of problems or shortcomings in the delivery of care; designing activities to overcome these deficiencies; and follow-up monitoring to ensure effectiveness of corrective steps.Patient Satisfaction: The degree to which the individual regards the health care service or product or the manner in which it is delivered by the provider as useful, effective, or beneficial.Community Health Centers: Facilities which administer the delivery of health care services to people living in a community or neighborhood.Follow-Up Studies: Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease.Regression Analysis: Procedures for finding the mathematical function which best describes the relationship between a dependent variable and one or more independent variables. In linear regression (see LINEAR MODELS) the relationship is constrained to be a straight line and LEAST-SQUARES ANALYSIS is used to determine the best fit. In logistic regression (see LOGISTIC MODELS) the dependent variable is qualitative rather than continuously variable and LIKELIHOOD FUNCTIONS are used to find the best relationship. In multiple regression, the dependent variable is considered to depend on more than a single independent variable.Marital Status: A demographic parameter indicating a person's status with respect to marriage, divorce, widowhood, singleness, etc.Regional Health Planning: Planning for health resources at a regional or multi-state level.Employment: The state of being engaged in an activity or service for wages or salary.Healthcare Disparities: Differences in access to or availability of medical facilities and services.Multivariate Analysis: A set of techniques used when variation in several variables has to be studied simultaneously. In statistics, multivariate analysis is interpreted as any analytic method that allows simultaneous study of two or more dependent variables.Residence Characteristics: Elements of residence that characterize a population. They are applicable in determining need for and utilization of health services.Treatment Outcome: Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series.Time Factors: Elements of limited time intervals, contributing to particular results or situations.Population Surveillance: Ongoing scrutiny of a population (general population, study population, target population, etc.), generally using methods distinguished by their practicability, uniformity, and frequently their rapidity, rather than by complete accuracy.Sickness Impact Profile: A quality-of-life scale developed in the United States in 1972 as a measure of health status or dysfunction generated by a disease. It is a behaviorally based questionnaire for patients and addresses activities such as sleep and rest, mobility, recreation, home management, emotional behavior, social interaction, and the like. It measures the patient's perceived health status and is sensitive enough to detect changes or differences in health status occurring over time or between groups. (From Medical Care, vol.xix, no.8, August 1981, p.787-805)Health Benefit Plans, Employee: Health insurance plans for employees, and generally including their dependents, usually on a cost-sharing basis with the employer paying a percentage of the premium.Rural Population: The inhabitants of rural areas or of small towns classified as rural.Mental Disorders: Psychiatric illness or diseases manifested by breakdowns in the adaptational process expressed primarily as abnormalities of thought, feeling, and behavior producing either distress or impairment of function.Public Health Nursing: A nursing specialty concerned with promoting and protecting the health of populations, using knowledge from nursing, social, and public health sciences to develop local, regional, state, and national health policy and research. It is population-focused and community-oriented, aimed at health promotion and disease prevention through educational, diagnostic, and preventive programs.Self Report: Method for obtaining information through verbal responses, written or oral, from subjects.Dental Health Surveys: A systematic collection of factual data pertaining to dental or oral health and disease in a human population within a given geographic area.Maternal Health Services: Organized services to provide health care to expectant and nursing mothers.Demography: Statistical interpretation and description of a population with reference to distribution, composition, or structure.Severity of Illness Index: Levels within a diagnostic group which are established by various measurement criteria applied to the seriousness of a patient's disorder.Ethnic Groups: A group of people with a common cultural heritage that sets them apart from others in a variety of social relationships.Stress, Psychological: Stress wherein emotional factors predominate.Insurance Coverage: Generally refers to the amount of protection available and the kind of loss which would be paid for under an insurance contract with an insurer. (Slee & Slee, Health Care Terms, 2d ed)Infant, Newborn: An infant during the first month after birth.Great BritainSocial Support: Support systems that provide assistance and encouragement to individuals with physical or emotional disabilities in order that they may better cope. Informal social support is usually provided by friends, relatives, or peers, while formal assistance is provided by churches, groups, etc.Reproducibility of Results: The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results.Urban Population: The inhabitants of a city or town, including metropolitan areas and suburban areas.Mortality: All deaths reported in a given population.Status Epilepticus: A prolonged seizure or seizures repeated frequently enough to prevent recovery between episodes occurring over a period of 20-30 minutes. The most common subtype is generalized tonic-clonic status epilepticus, a potentially fatal condition associated with neuronal injury and respiratory and metabolic dysfunction. Nonconvulsive forms include petit mal status and complex partial status, which may manifest as behavioral disturbances. Simple partial status epilepticus consists of persistent motor, sensory, or autonomic seizures that do not impair cognition (see also EPILEPSIA PARTIALIS CONTINUA). Subclinical status epilepticus generally refers to seizures occurring in an unresponsive or comatose individual in the absence of overt signs of seizure activity. (From N Engl J Med 1998 Apr 2;338(14):970-6; Neurologia 1997 Dec;12 Suppl 6:25-30)State Health Plans: State plans prepared by the State Health Planning and Development Agencies which are made up from plans submitted by the Health Systems Agencies and subject to review and revision by the Statewide Health Coordinating Council.Outcome and Process Assessment (Health Care): Evaluation procedures that focus on both the outcome or status (OUTCOMES ASSESSMENT) of the patient at the end of an episode of care - presence of symptoms, level of activity, and mortality; and the process (ASSESSMENT, PROCESS) - what is done for the patient diagnostically and therapeutically.Occupational Health Services: Health services for employees, usually provided by the employer at the place of work.Health Maintenance Organizations: Organized systems for providing comprehensive prepaid health care that have five basic attributes: (1) provide care in a defined geographic area; (2) provide or ensure delivery of an agreed-upon set of basic and supplemental health maintenance and treatment services; (3) provide care to a voluntarily enrolled group of persons; (4) require their enrollees to use the services of designated providers; and (5) receive reimbursement through a predetermined, fixed, periodic prepayment made by the enrollee without regard to the degree of services provided. (From Facts on File Dictionary of Health Care Management, 1988)Depression: Depressive states usually of moderate intensity in contrast with major depression present in neurotic and psychotic disorders.Morbidity: The proportion of patients with a particular disease during a given year per given unit of population.Life Style: Typical way of life or manner of living characteristic of an individual or group. (From APA, Thesaurus of Psychological Index Terms, 8th ed)Men's Health: The concept covering the physical and mental conditions of men.Netherlands: Country located in EUROPE. It is bordered by the NORTH SEA, BELGIUM, and GERMANY. Constituent areas are Aruba, Curacao, Sint Maarten, formerly included in the NETHERLANDS ANTILLES.Psychometrics: Assessment of psychological variables by the application of mathematical procedures.Health Occupations: Professions or other business activities directed to the cure and prevention of disease. For occupations of medical personnel who are not physicians but who are working in the fields of medical technology, physical therapy, etc., ALLIED HEALTH OCCUPATIONS is available.Risk Factors: An aspect of personal behavior or lifestyle, environmental exposure, or inborn or inherited characteristic, which, on the basis of epidemiologic evidence, is known to be associated with a health-related condition considered important to prevent.Reproductive Health: The physical condition of human reproductive systems.Electronic Health Records: Media that facilitate transportability of pertinent information concerning patient's illness across varied providers and geographic locations. Some versions include direct linkages to online consumer health information that is relevant to the health conditions and treatments related to a specific patient.Health Services, Indigenous: Health care provided to specific cultural or tribal peoples which incorporates local customs, beliefs, and taboos.Women's Health Services: Organized services to provide health care to women. It excludes maternal care services for which MATERNAL HEALTH SERVICES is available.Social Justice: An interactive process whereby members of a community are concerned for the equality and rights of all.Smoking: Inhaling and exhaling the smoke of burning TOBACCO.Medically Uninsured: Individuals or groups with no or inadequate health insurance coverage. Those falling into this category usually comprise three primary groups: the medically indigent (MEDICAL INDIGENCY); those whose clinical condition makes them medically uninsurable; and the working uninsured.Linear Models: Statistical models in which the value of a parameter for a given value of a factor is assumed to be equal to a + bx, where a and b are constants. The models predict a linear regression.Diagnostic Self Evaluation: A self-evaluation of health status.African Americans: Persons living in the United States having origins in any of the black groups of Africa.Needs Assessment: Systematic identification of a population's needs or the assessment of individuals to determine the proper level of services needed.Family Health: The health status of the family as a unit including the impact of the health of one member of the family on the family as a unit and on individual family members; also, the impact of family organization or disorganization on the health status of its members.Catchment Area (Health): A geographic area defined and served by a health program or institution.Urban Health Services: Health services, public or private, in urban areas. The services include the promotion of health and the delivery of health care.Mouth, Edentulous: Total lack of teeth through disease or extraction.Pulmonary Disease, Chronic Obstructive: A disease of chronic diffuse irreversible airflow obstruction. Subcategories of COPD include CHRONIC BRONCHITIS and PULMONARY EMPHYSEMA.Program Evaluation: Studies designed to assess the efficacy of programs. They may include the evaluation of cost-effectiveness, the extent to which objectives are met, or impact.Public Health Informatics: The systematic application of information and computer sciences to public health practice, research, and learning.Politics: Activities concerned with governmental policies, functions, etc.Comorbidity: The presence of co-existing or additional diseases with reference to an initial diagnosis or with reference to the index condition that is the subject of study. Comorbidity may affect the ability of affected individuals to function and also their survival; it may be used as a prognostic indicator for length of hospital stay, cost factors, and outcome or survival.Quality Indicators, Health Care: Norms, criteria, standards, and other direct qualitative and quantitative measures used in determining the quality of health care.Tooth DiseasesHealth Planning Guidelines: Recommendations for directing health planning functions and policies. These may be mandated by PL93-641 and issued by the Department of Health and Human Services for use by state and local planning agencies.Pregnancy: The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.Dental Health Services: Services designed to promote, maintain, or restore dental health.Cost of Illness: The personal cost of acute or chronic disease. The cost to the patient may be an economic, social, or psychological cost or personal loss to self, family, or immediate community. The cost of illness may be reflected in absenteeism, productivity, response to treatment, peace of mind, or QUALITY OF LIFE. It differs from HEALTH CARE COSTS, meaning the societal cost of providing services related to the delivery of health care, rather than personal impact on individuals.Odds Ratio: The ratio of two odds. The exposure-odds ratio for case control data is the ratio of the odds in favor of exposure among cases to the odds in favor of exposure among noncases. The disease-odds ratio for a cohort or cross section is the ratio of the odds in favor of disease among the exposed to the odds in favor of disease among the unexposed. The prevalence-odds ratio refers to an odds ratio derived cross-sectionally from studies of prevalent cases.Reproductive Health Services: Health care services related to human REPRODUCTION and diseases of the reproductive system. Services are provided to both sexes and usually by physicians in the medical or the surgical specialties such as REPRODUCTIVE MEDICINE; ANDROLOGY; GYNECOLOGY; OBSTETRICS; and PERINATOLOGY.Retrospective Studies: Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons.Disability Evaluation: Determination of the degree of a physical, mental, or emotional handicap. The diagnosis is applied to legal qualification for benefits and income under disability insurance and to eligibility for Social Security and workmen's compensation benefits.Geriatric Assessment: Evaluation of the level of physical, physiological, or mental functioning in the older population group.Adolescent Health Services: Organized services to provide health care to adolescents, ages ranging from 13 through 18 years.Income: Revenues or receipts accruing from business enterprise, labor, or invested capital.Vulnerable Populations: Groups of persons whose range of options is severely limited, who are frequently subjected to COERCION in their DECISION MAKING, or who may be compromised in their ability to give INFORMED CONSENT.Sex Distribution: The number of males and females in a given population. The distribution may refer to how many men or women or what proportion of either in the group. The population is usually patients with a specific disease but the concept is not restricted to humans and is not restricted to medicine.DMF Index: "Decayed, missing and filled teeth," a routinely used statistical concept in dentistry.National Institutes of Health (U.S.): An operating division of the US Department of Health and Human Services. It is concerned with the overall planning, promoting, and administering of programs pertaining to health and medical research. Until 1995, it was an agency of the United States PUBLIC HEALTH SERVICE.Disabled Persons: Persons with physical or mental disabilities that affect or limit their activities of daily living and that may require special accommodations.EnglandLife Expectancy: Based on known statistical data, the number of years which any person of a given age may reasonably expected to live.Health Services Administration: The organization and administration of health services dedicated to the delivery of health care.Consumer Participation: Community or individual involvement in the decision-making process.Health Transition: Demographic and epidemiologic changes that have occurred in the last five decades in many developing countries and that are characterized by major growth in the number and proportion of middle-aged and elderly persons and in the frequency of the diseases that occur in these age groups. The health transition is the result of efforts to improve maternal and child health via primary care and outreach services and such efforts have been responsible for a decrease in the birth rate; reduced maternal mortality; improved preventive services; reduced infant mortality, and the increased life expectancy that defines the transition. (From Ann Intern Med 1992 Mar 15;116(6):499-504)Qualitative Research: Any type of research that employs nonnumeric information to explore individual or group characteristics, producing findings not arrived at by statistical procedures or other quantitative means. (Qualitative Inquiry: A Dictionary of Terms Thousand Oaks, CA: Sage Publications, 1997)Age Distribution: The frequency of different ages or age groups in a given population. The distribution may refer to either how many or what proportion of the group. The population is usually patients with a specific disease but the concept is not restricted to humans and is not restricted to medicine.Comprehensive Health Care: Providing for the full range of personal health services for diagnosis, treatment, follow-up and rehabilitation of patients.Prejudice: A preconceived judgment made without factual basis.Health Plan Implementation: Those actions designed to carry out recommendations pertaining to health plans or programs.Universal Coverage: Health insurance coverage for all persons in a state or country, rather than for some subset of the population. It may extend to the unemployed as well as to the employed; to aliens as well as to citizens; for pre-existing conditions as well as for current illnesses; for mental as well as for physical conditions.BrazilEmigrants and Immigrants: People who leave their place of residence in one country and settle in a different country.Periodontal Index: A numerical rating scale for classifying the periodontal status of a person or population with a single figure which takes into consideration prevalence as well as severity of the condition. It is based upon probe measurement of periodontal pockets and on gingival tissue status.Minority Groups: A subgroup having special characteristics within a larger group, often bound together by special ties which distinguish it from the larger group.Health Fairs: Community health education events focused on prevention of disease and promotion of health through audiovisual exhibits.European Continental Ancestry Group: Individuals whose ancestral origins are in the continent of Europe.Dental Care: The total of dental diagnostic, preventive, and restorative services provided to meet the needs of a patient (from Illustrated Dictionary of Dentistry, 1982).Dental Caries: Localized destruction of the tooth surface initiated by decalcification of the enamel followed by enzymatic lysis of organic structures and leading to cavity formation. If left unchecked, the cavity may penetrate the enamel and dentin and reach the pulp.Poverty Areas: City, urban, rural, or suburban areas which are characterized by severe economic deprivation and by accompanying physical and social decay.School Health Services: Preventive health services provided for students. It excludes college or university students.Transients and Migrants: People who frequently change their place of residence.Diet: Regular course of eating and drinking adopted by a person or animal.Health Care Coalitions: Voluntary groups of people representing diverse interests in the community such as hospitals, businesses, physicians, and insurers, with the principal objective to improve health care cost effectiveness.Gypsies: Ethnic group originating in India and entering Europe in the 14th or 15th century.Australia: The smallest continent and an independent country, comprising six states and two territories. Its capital is Canberra.Cost-Benefit Analysis: A method of comparing the cost of a program with its expected benefits in dollars (or other currency). The benefit-to-cost ratio is a measure of total return expected per unit of money spent. This analysis generally excludes consideration of factors that are not measured ultimately in economic terms. Cost effectiveness compares alternative ways to achieve a specific set of results.Continental Population Groups: Groups of individuals whose putative ancestry is from native continental populations based on similarities in physical appearance.Health Records, Personal: Longitudinal patient-maintained records of individual health history and tools that allow individual control of access.Organizational Objectives: The purposes, missions, and goals of an individual organization or its units, established through administrative processes. It includes an organization's long-range plans and administrative philosophy.Emigration and Immigration: The process of leaving one's country to establish residence in a foreign country.Pilot Projects: Small-scale tests of methods and procedures to be used on a larger scale if the pilot study demonstrates that these methods and procedures can work.China: A country spanning from central Asia to the Pacific Ocean.Periodontal Diseases: Pathological processes involving the PERIODONTIUM including the gum (GINGIVA), the alveolar bone (ALVEOLAR PROCESS), the DENTAL CEMENTUM, and the PERIODONTAL LIGAMENT.IndiaRefugees: Persons fleeing to a place of safety, especially those who flee to a foreign country or power to escape danger or persecution in their own country or habitual residence because of race, religion, or political belief. (Webster, 3d ed)Oral Hygiene: The practice of personal hygiene of the mouth. It includes the maintenance of oral cleanliness, tissue tone, and general preservation of oral health.Ontario: A province of Canada lying between the provinces of Manitoba and Quebec. Its capital is Toronto. It takes its name from Lake Ontario which is said to represent the Iroquois oniatariio, beautiful lake. (From Webster's New Geographical Dictionary, 1988, p892 & Room, Brewer's Dictionary of Names, 1992, p391)Hospitalization: The confinement of a patient in a hospital.Managed Care Programs: Health insurance plans intended to reduce unnecessary health care costs through a variety of mechanisms, including: economic incentives for physicians and patients to select less costly forms of care; programs for reviewing the medical necessity of specific services; increased beneficiary cost sharing; controls on inpatient admissions and lengths of stay; the establishment of cost-sharing incentives for outpatient surgery; selective contracting with health care providers; and the intensive management of high-cost health care cases. The programs may be provided in a variety of settings, such as HEALTH MAINTENANCE ORGANIZATIONS and PREFERRED PROVIDER ORGANIZATIONS.Confidence Intervals: A range of values for a variable of interest, e.g., a rate, constructed so that this range has a specified probability of including the true value of the variable.Body Mass Index: An indicator of body density as determined by the relationship of BODY WEIGHT to BODY HEIGHT. BMI=weight (kg)/height squared (m2). BMI correlates with body fat (ADIPOSE TISSUE). Their relationship varies with age and gender. For adults, BMI falls into these categories: below 18.5 (underweight); 18.5-24.9 (normal); 25.0-29.9 (overweight); 30.0 and above (obese). (National Center for Health Statistics, Centers for Disease Control and Prevention)