Extra health notes ch.3
Extra health notes ch.3 Public health 2000
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This 2 page Class Notes was uploaded by rh389814 on Monday February 1, 2016. The Class Notes belongs to Public health 2000 at Ohio University taught by Heather Harmon in Summer 2015. Since its upload, it has received 59 views. For similar materials see Intro to public health in Public Health at Ohio University.
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Date Created: 02/01/16
Extra Health 2000 notes ch.3 Epidemiology: “the study of the distribution and determinants of health related states or events in specified populations.” (p.64) Endemic: expected number of diseases can be considered an endemic, an illness epidemic, or pandemic (depends on disease) Epidemic: larger number of an illness than expected Epidemiologist: investigates how often Pandemic: an illness breaks diseases occur in certain regions and groups of people out across borders Examples of epidemics in history: Leprosy Smallpox Epidemiologists work with numbers, (i.e. rates of people born, people who died, or number who died from an illness) Natality rate: live births divided by total specific population Morbidity rate: illness Mortality/fatality rate: deaths divided by the total of the specific population Populationatrisk: individuals in a group of people that are vulnerable to a certain disease. 3 important types of morbidity rates: 1. Incident rate: number of healthrelated events, divided by total in that population (p.67) a. Acute disease: duration is less than 3 months 2. Prevalence rate: number of new & old cases of disease, divided by total in that population (p.67) a. Chronic disease: duration is more than 3 months 3. Attack rate: incident rate for a certain group of people for a singular disease Crude & Ageadjusted Rates: [a crude rate includes total population] Crude birth rate: live births, divided by total population Crude death rate: deaths in a year, divide by total population Ageadjusted rate: “used to make comparisons of relative risks across groups and over time when groups differ in age structure.” (p.68) Causespecific rate: rate used to measure for specific diseases and groups Notifiable disease: Notifiable disease: infectious disease that health officials HAS TO report o Possible to become epidemic National Electronic Telecommunications System (NETS): way of electronically reporting diseases Examples of notifiable diseases: o AIDS o Hep. A, B, C o Measles The U.S. is most concerned with the Flu. Unfortunately, sometimes life ends before age 65 or 75 (can be due to a number of reasons). When this happens, the years of potential life lost can be calculated based on their life expectancy. Life expectancy: number of years a person is expected to live U.S. Census Every 10 years Not 100% accurate o Some people don’t participate o Some own two houses Studies Descriptive studies: defines illnesses and diseases in regard to specific facts (people, location, timeframe) Answer all the W questions (who, what, when, etc.) Placebo effect sometimes involved