Juvenile delinquency
Definition: Juvenile delinquency refers to the participation in illegal acts by individuals under the age of legal majority, typically defined…
Read DefinitionPublic Health Glossary
Decode complex terminology and master the language of public health.
K-means clustering
Definition: K-means clustering is an unsupervised machine learning algorithm used to partition a dataset into a pre-defined number of `k`…
Read DefinitionK-nearest neighbors
Definition: K-nearest neighbors (KNN) is a non-parametric, instance-based machine learning algorithm used for both classification and regression tasks. It classifies…
Read DefinitionKAP Survey
Definition: A KAP Survey (Knowledge, Attitudes, Practices) is a quantitative research method used in public health to assess a population's…
Read DefinitionKappa statistic
Definition: The Kappa statistic (Cohen's Kappa) is a robust measure of inter-rater reliability or agreement between two observers, methods, or…
Read DefinitionKaryotype
Definition: A karyotype is an organized profile of a person's chromosomes, arranged in homologous pairs and numbered by size, from…
Read DefinitionKilocalorie
Definition: A kilocalorie (kcal), often colloquially referred to as a "calorie" on food labels, is a unit of energy equal…
Read DefinitionKinetics
Definition: Kinetics, in public health, refers to the study of the rates and mechanisms of processes involving the movement, transformation,…
Read DefinitionKoch\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s Postulates
Definition: Koch's Postulates are a set of four criteria formulated by Robert Koch to establish a causal relationship between a…
Read DefinitionKruskal-Wallis test
Definition: The Kruskal-Wallis test is a non-parametric statistical method used to determine if there are statistically significant differences between the…
Read DefinitionKurtosis
Definition: Kurtosis is a statistical measure that describes the "tailedness" and "peakedness" of the probability distribution of a dataset. It…
Read DefinitionLatency period
Definition: The latency period, in public health and epidemiology, refers to the time elapsed between an individual's exposure to a…
Read DefinitionLead poisoning
Definition: Lead poisoning, also known as plumbism, is a serious and potentially fatal condition caused by the accumulation of lead…
Read DefinitionLeishmaniasis
Definition: Leishmaniasis is a parasitic disease caused by protozoa of the genus *Leishmania*, transmitted to humans through the bite of…
Read DefinitionLife expectancy
Definition: Life expectancy is a statistical measure representing the average number of years a person is expected to live, based…
Read DefinitionListeriosis
Definition: Listeriosis is a serious infection caused by the bacterium Listeria monocytogenes, primarily affecting pregnant women, newborns, older adults, and…
Read DefinitionLogistic regression
Definition: Logistic regression is a statistical method used to model the probability of a binary outcome (e.g., presence or absence…
Read DefinitionLongitudinal study
Definition: A longitudinal study is an observational research method that repeatedly examines the same group of individuals or subjects over…
Read DefinitionLoss to follow-up
Definition: Loss to follow-up refers to participants in a study or patients in a public health program who cannot be…
Read DefinitionLyme disease
Definition: Lyme disease is a tick-borne infectious disease caused by bacteria, primarily *Borrelia burgdorferi* in North America, transmitted to humans…
Read DefinitionLymphatic filariasis
Definition: Lymphatic filariasis (LF) is a parasitic disease caused by thread-like filarial worms that are transmitted to humans through mosquito…
Read DefinitionMalnutrition
Definition: Malnutrition is a condition resulting from an imbalance of nutrients in the body, which can be due to either…
Read DefinitionMass Vaccination
Definition: Mass vaccination refers to the large-scale, systematic administration of vaccines to a substantial portion of a population, primarily aimed…
Read DefinitionMaternal Health
Definition: Maternal health refers to the health of women during pregnancy, childbirth, and the postnatal period, encompassing their physical, mental,…
Read DefinitionMeta-analysis
Definition: Meta-analysis is a statistical technique that systematically combines the quantitative results from multiple independent studies addressing the same research…
Read DefinitionMiasma Theory
Definition: Miasma Theory was a prevalent historical medical theory proposing that diseases, such as cholera and the Black Death, were…
Read DefinitionMicrobiome
Definition: The microbiome refers to the collective genetic material of all microorganisms, including bacteria, fungi, viruses, and archaea, that inhabit…
Read DefinitionMitigation Strategy
Definition: Mitigation strategies in public health are deliberate actions implemented to reduce the severity, impact, or consequences of an existing…
Read DefinitionModeling (Epidemiological)
Definition: Epidemiological modeling involves using mathematical equations and computational simulations to represent the dynamics of disease transmission and predict future…
Read DefinitionMonitoring (Public Health)
Definition: Monitoring in public health is the systematic, continuous collection, analysis, interpretation, and dissemination of data regarding health events, diseases,…
Read DefinitionMorbidity
Refers to having a disease or a symptom of disease, or to the amount of disease within a population. It is often synonymous with illness.
Read DefinitionMortality
The state of being subject to death. In public health, it allows for the analysis of death rates within a specific population or due to a specific cause.
Read DefinitionMultisectoral Approach
Definition: A multisectoral approach in public health involves collaborative efforts and coordinated actions among diverse governmental, non-governmental, private sector, and…
Read DefinitionNatality
Definition: Natality refers to the birth rate within a population, representing the number of live births relative to the total…
Read DefinitionNeeds assessment
Definition: A needs assessment is a systematic process of collecting and analyzing data to identify the health problems, needs, and…
Read DefinitionNeonatal mortality
Definition: Neonatal mortality refers to the death of a live-born infant within the first 28 days of life (0-27 days),…
Read DefinitionNested case-control study
Definition: A nested case-control study is an efficient epidemiological design where cases of a disease and a sample of controls…
Read DefinitionNon-communicable disease
Definition: Non-communicable diseases (NCDs) are chronic conditions that are not infectious and cannot be spread directly from person to person,…
Read DefinitionNosocomial infection
Definition: A nosocomial infection, also known as a healthcare-associated infection (HAI), is an infection acquired by a patient during the…
Read DefinitionNotifiable disease
Definition: A notifiable disease is any disease required by law to be reported to government public health authorities when diagnosed.…
Read DefinitionNuisance (public health)
Definition: A public health nuisance is any condition or activity that unreasonably interferes with the enjoyment of life or property…
Read DefinitionNull hypothesis
Definition: The null hypothesis (H₀) is a fundamental statistical statement proposing that there is no statistically significant relationship, difference, or…
Read DefinitionNutrition
Definition: Nutrition, in public health, is the scientific study and practical application of how food and drink affect human health,…
Read DefinitionObesity
Definition: Obesity is a complex chronic disease characterized by an excessive accumulation of body fat that poses a significant risk…
Read DefinitionObservational Study
Definition: An observational study is a research design where investigators observe and collect data on subjects without intervening or manipulating…
Read DefinitionOccupational Health
Definition: Occupational Health is a multidisciplinary field dedicated to the health, safety, and welfare of people at work. Its primary…
Read DefinitionOdds Ratio
Definition: The Odds Ratio (OR) is a measure of association quantifying the ratio of the odds of an outcome occurring…
Read DefinitionOne Health
A collaborative, multisectoral, and transdisciplinary approach — working at the local, regional, national, and global levels — with the goal of achieving optimal health outcomes recognizing the interconnection between people, animals, plants, and their shared environment.
Read DefinitionOpportunistic Infection
Definition: An opportunistic infection is an illness caused by a pathogen that typically does not cause disease in a healthy…
Read DefinitionOral Health
Definition: Oral health refers to the health of the teeth, gums, and entire oral cavity, encompassing the absence of disease,…
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