4 Descriptive Epidemiology Patterns in a Population Hypotheses

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6 1 Descriptive 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. Obesity Trends Among U.S. Adults Between 1985 and 2010

7 Body Mass Index

Source: Behavioral Risk Factor Surveillance System, CDC. Obesity Trends* Among U.S. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 2002 No Data <10% 10%–14% 15%–19% 20%–24% ≥25%

Source: Behavioral Risk Factor Surveillance System, CDC. Obesity Trends* Among U.S. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 2005 (*BMI ≥30, or ~ 30 lbs. overweight for 5’ 4” person)

Source: Behavioral Risk Factor Surveillance System, CDC. Obesity Trends* Among U.S. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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. Adults BRFSS, 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 Obesity Trends* Among U.S. Adults BRFSS, 1990, 2000, 2010 (*BMI 30, or about 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. Prevalence* of Self-Reported Obesity Among U.S. Adults BRFSS, 2012 *Prevalence reflects BRFSS methodological changes in 2011, and these estimates should not be compared to those before %–<20% 20%–<25% 25%–<30% 30%–<35% ≥35%

36 Descriptive Epidemiology Hypothesis Generation

37 Descriptive Epidemiology Hypothesis Generation Genes Sugar Too Busy to Exercise Desk Jobs Cars Serving Sizes Vending Machines High Density Residential Housing Television Food Advertisements Lower Cost of Junk Food Modern Electronic Devices Fast Food

40 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

44 Association Is Not Necessarily Causation Multiple Causal Factors Weight of Evidence

45 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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50 Decisions

51 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

54 Define and Measure Success Benefits, Costs, Consequences

55 Descriptive Epidemiology Hypothesis Generation Analytical Epidemiology Causal Judgment Decision Making Evaluation of Strategy

56 Descriptive Epidemiology Hypothesis Generation Analytical Epidemiology Causal Judgment Decision Making Evaluation of Strategy

57 Descriptive Epidemiology Hypothesis Generation Analytical Epidemiology Causal Judgment Decision Making Evaluation of Strategy