Post on 08-Jan-2018
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Descriptive Epidemiology
Patterns in a Population
Hypotheses
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1Descriptive
Epidemiology
SURVEILLANCE - Source of the Maps:
The data shown in these maps were collected through CDCs Behavioral Risk Factor Surveillance System (BRFSS). Each year, state health departments use standard procedures to collect data through a series of telephone interviews with U.S. adults. Height and weight data are self-reported.
http://www.cdc.gov/obesity/data/adult.html
Obesity Trends Among U.S. AdultsBetween 1985 and 2010
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Body Mass Index
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1985
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1986
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1987
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1988
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1989
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1990
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1991
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1992
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1993
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1994
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1995
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1996
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1997
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% ≥20%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1998
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% ≥20%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 1999
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% ≥20%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 2000
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% ≥20%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 2001
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% ≥25%
Source: Behavioral Risk Factor Surveillance System, CDC.
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
Obesity Trends* Among U.S. AdultsBRFSS, 2002
No Data <10% 10%–14% 15%–19% 20%–24% ≥25%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 2003
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% ≥25%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 2004
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% ≥25%
Source: Behavioral Risk Factor Surveillance System, CDC.
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
Obesity Trends* Among U.S. AdultsBRFSS, 2005
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 2006
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 2007
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 2008
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 2009
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
Source: Behavioral Risk Factor Surveillance System, CDC.
Obesity Trends* Among U.S. AdultsBRFSS, 2010
(*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
Source: Behavioral Risk Factor Surveillance System, CDC.
2000
Obesity Trends* Among U.S. AdultsBRFSS, 1990, 2000, 2010
(*BMI 30, or about 30 lbs. overweight for 5’4” person)
2010
1990
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
Source: Behavioral Risk Factor Surveillance System, CDC.
Prevalence* of Self-Reported Obesity Among U.S. AdultsBRFSS, 2012
*Prevalence reflects BRFSS methodological changes in 2011, and these estimates should not be compared to those before 2011.
15%–<20% 20%–<25% 25%–<30% 30%–<35% ≥35%
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Descriptive Epidemiology
Hypothesis Generation
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Descriptive Epidemiology
Hypothesis Generation
Genes
Sugar
Too Busy to Exercise
Desk Jobs
Cars
Serving SizesVending Machines
High Density Residential
Housing
Television
Food Advertisements
Lower Cost of Junk Food
Modern Electronic Devices
Fast Food
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Test Hypotheses
Identify Associations
Analytical Epidemiology
41
Descriptive Epidemiology
Hypothesis Generation
Analytical Epidemiology
Proximity to Convenience Stores
Fosters Child Obesity, Study Finds
Sugar is Enemy #1 For Causing Diabetes and Obesity, Say Experts
Are Driving and Minecraft Causing the
Obesity Epidemic?
Cheaper Food May Be fueling US
Obesity Epidemic
Sleep-Deprived Teens Eat More Fat, Study Finds
Little Sleep May Not Cause Obesity
New Report Highlights Link Between Low Income and Childhood Obesity
Higher Risk of Obesity Among Teens with More
Video-Game Playing
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Association Is Not Necessarily Causation
Multiple Causal Factors
Weight of Evidence
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Descriptive Epidemiology
Hypothesis Generation
Analytical Epidemiology
Causal Judgment
Immediate Cause
Take in more energy (calories) than you burn through exercise and normal daily activities
Underlying Causes
A complex interaction between, environment, genetic predisposition, and human behavior
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Decisions
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Descriptive Epidemiology
Hypothesis Generation
Analytical Epidemiology
Causal Judgment
Decision Making
Government vs. freedom of choice
Quality of the scientific evidence
Cultural and social meaning
Health & welfare of minors
Psychological well-being
Personal responsibility
Societal resources
Health of others
Self image
Equality
Privacy
Justice
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Define and Measure Success
Benefits, Costs, Consequences
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Descriptive Epidemiology
Hypothesis Generation
Analytical Epidemiology
Causal Judgment
Decision Making
Evaluation of Strategy
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Descriptive Epidemiology
Hypothesis Generation
Analytical Epidemiology
Causal Judgment
Decision Making
Evaluation of Strategy
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Descriptive Epidemiology
Hypothesis Generation
Analytical Epidemiology
Causal Judgment
Decision Making
Evaluation of Strategy