Exam 1 Flashcards
What is epidemiology?
The study of how disease is distributed in populations and the factors that influence or determine this distribution.
What is the first objective of Epi?
To identify the etiology or cause of a disease and the relevant risk factors
What is the second objective of Epi?
To determine the extent of disease found in the
community.
What is the third objective of Epi?
To study the natural history and prognosis of disease.
What is the fourth objective of Epi?
To evaluate both existing and newly developed preventive and therapeutic measures and modes of health care delivery.
What is the fifth objective of Epi?
To provide the foundation for developing public policy relating to environmental problems, genetic issues, and other considerations regarding disease prevention and health promotion.
What are the 10 great Public Health Achievements?
Immunizations Motor-Vehicle Safety Workplace Safety Control of Infectious Diseases Declines in Deaths from Heart Disease and Stroke Safer and Healthier Foods Healthier Mothers and Babies Family Planning Fluoridation of Drinking Water Tobacco as a Health Hazard
What are primary preventions?
Vaccine/ immunizations
What are secondary preventions?
screening
What are tertiary preventions?
rehabilitation
Which is more expensive
Population-based or High risk approach?
High risk approach
What is a Prognosis?
the likely course of a disease or ailment
What is an endemic?
the presence of a disease within a given area
What is an epidemic?
a disease/ illness in excess of normal
What is a pandemic?
Worldwide epidemic
What was Edward Jenner known for?
Small Pox vaccine
“Cowpox”
What was Ignaz Semmelweis known for?
Childbed fever
Hand washing
What was John Snow known for?
Cholera
Germs in water
How many opioid related deaths in the US were there in 2016?
64,000
What is chronic disease?
A disease that persists for a long time
How long does a chronic disease last?
3 months or more
How many deaths occur from chronic diseases worldwide?
60%
Who does chronic diseases mostly affect?
Older people
In the Chronic Disease Continuum where would primary prevention be used?
Individual behaviors
In the Chronic Disease Continuum where would secondary prevention be used?
Chronic conditions
In the Chronic Disease Continuum where would tertiary prevention be used?
Chronic disease
What is 86% of the annual health care cost used for?
People with chronic and mental health conditions
What is the main driver of healthcare cost in the US?
An aging population
What are the stages of the Trantheoretical Model?
Precontemplation (Enter) Contemplation Determination (Exit/Re-entry) Action (Exit/RE-entry) Relapse Maintenance (Recovery)
What is the entry stage of the trantheoretical Model?
Precontemplation
What are the re-entry/exit stages of the trantheoretical model
Determination (Exit/Re-entry)
Action (Exit/RE-entry)
What are the 4 goals chronic disease prevention and control?
- Reduce the incidence of disease
- Delay the onset of disease and disability
- Alleviate the severity of disease
- Improve the health-related quality and duration of the individual’s life
When were doctors no longer expected to provide free services?
1920s
When was Truman’s plan denounced?
1940s
When was the income of doctors raised?
1920s
When was the push for health insurance within the Roosevelt administration?
1940s
When was President Nixon’s plan for national health insurance rejected?
1960s
Who signed Medicare & Medicaid into law? When?
President Johnson
1960s
Who renamed the prepaid group health care plans? When?
President Nixon
1980s
When did insurance companies begin complaining about service methods?
1980s
When did the cost of health care double?
1990s
When did medicare start providing the most healthcare?
2000s
When did the rate of uninsured people hit an all time high?
2010
What was the highest rate of uninsured people?
18.2%
Chronic disease are responsible for what percentage of healthcare cost in the US?
75-80%
What is Epidemiologic Surveillance?
Ongoing systematic collection, analysis, and interpretation of health data in the process of describing and monitoring a health event
What are the two ways to monitor data of incidence
Quality adjusted life year (QALY)
Disablility adjsted life year (DALY)
What is data?
observations on one or more variables
What are variables?
Any quantity that varies
What are statistics?
Study of samples
Measures within samples
What are the forms of Categorical data?
Nominal
Ordinal
Qualitative
What are the forms of numerical data?
Discrete
Continuous
Quantitative
What is the difference between nominal and ordinal?
both are exclusive
nominal is unordered
ordinal is ordered
(O = ordered)
What is the difference between discrete & continuous?
Discrete whole numbers
Continuous all possible numbers
What is the geometric mean used for?
Skewed right data
What is weighted mean?
certain values are more valuable than others
What is range?
the difference between the largest and smallest observations in data
What is the interquartile range?
Central 50%
What is the Interdecile range?
Central 80%
What are the advantages of mean?
Uses all data values
Mathematically manageable
What are the advantages of weighted mean?
Uses all data values
Mathematically manageable
Ascribes relative importance to each observation
Alegberically defined
What are the advantages of mode?
Easily determined by categorical data
What are the disadvantages of median?
Ignores most of the information
Not algebraically defined
Complicated sampling distribution
What are the advantages of geometric mean?
Uses all data values
Mathematically manageable
Appropriate for right skewed data
What are the disadvantages of weighted mean?
Weights must be known or estimated
What are the advantages of median?
Not distorted by outliers
Not distorted by skewed data
What are the disadvantages of mode?
Ignores most of the information
Not algebraically defined
Unknown sampling distribution
What are the disadvantages of mean?
Distorted by outliers
Distorted by skewed data
What are the disadvantages of geometric mean?
Only appropriate if the lof transformation produces a symmetrical distribution
What are determinants?
Any factor that brings about change in a health condition or other defined characteristics
What is a Diagnosis?
the identification an illness or other problem by examination of the symptoms
What does the first step of epi rely on?
descriptive data
What is the “Failure of Success”?
lower quality of life towards the end of life