What are the 5 stages of the epidemiologic transition?
The epidemiologic transition describes changing patterns of population age distributions, mortality, fertility, life expectancy, and causes of death.
What are epidemiological principles?
Public health workers use epidemiologic principles as the foundation for disease surveillance and investigation activities. Epidemiology is the study of the distribution and determinants of health-related states or events in specified populations, and the application of this study to the control of health problems.
What is the theory of epidemiologic transition?
epidemiologic transition, the process by which the pattern of mortality and disease in a population is transformed from one of high mortality among infants and children and episodic famine and epidemics affecting all age groups to one of degenerative and human-made diseases (such as those attributed to smoking) …
What are the 7 uses of epidemiology?
Epidemiology: Uses of epidemiology
- To study the disease trend since past.
- Community diagnosis.
- Planning and evaluation of health services.
- Evaluation of a new therapy or a new health measure.
- Determining the risk to an individual.
- Identification of syndromes.
- Filling in the gaps in the natural history of the disease.
What is a study design in epidemiology?
The basic epidemiological study designs are cross-sectional, case-control, and cohort studies. Cohort studies identify the study groups based on the exposure and, then, the researchers follow up study participants to measure outcomes.
What are the three elements of etiology?
Generally, the etiology of illness falls into one of three main categories, namely:
- Intrinsic — coming from within.
- Extrinsic — originating from external factors.
- Idiopathic — cause unknown.