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a systematic process used to study states of health and illness in an effort to control disease and promote health.
the study of the distribution of health and illness within the population and the factors that determine the population's health status.
the "process of enabling people to increase control over and to improve their own health" (World Health Organization, 1986, p. iii).
the number of new cases of a particular condition within a specific population identified during a specified period of time.
the ratio of the number of cases of a disease or condition to the number of people in a given population.
the ratio of the number of deaths in various categories to the number of people in a given population.
populations at risk
groups of people who have the greatest potential to develop a particular health problem because of the presence or absence of certain contributing factors.
the total number of people in a given population affected by a particular condition at a specified point in time.
relative risk ratio
difference in the probability of developing a given condition between persons with specific risk factors for the condition and those without risk factors.
those individuals who would benefit from an intervention program and at whom the program is aimed.
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