obesity. statistics 60% of u.s. population are overweight this figure has doubled since 1980. $75...
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![Page 1: Obesity. Statistics 60% of U.S. population are overweight This figure has doubled since 1980. $75 billion spent per year due to obesity 100,000-300,000](https://reader030.vdocuments.mx/reader030/viewer/2022032612/56649eef5503460f94bff4ac/html5/thumbnails/1.jpg)
Obesity
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Statistics• 60% of U.S. population are overweight
This figure has doubled since 1980.
• $75 billion spent per year due to obesity
• 100,000-300,000 deaths each year due to obesity
• Pediatric obesity has reached epidemic proportions.
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Obesity Trends* Among U.S. AdultsBRFSS, 1985
No Data <10% 10%–14%
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
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Obesity Trends* Among U.S. AdultsBRFSS, 1986
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
No Data <10% 10%–14%
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Obesity Trends* Among U.S. AdultsBRFSS, 1987
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
No Data <10% 10%–14%
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Obesity Trends* Among U.S. AdultsBRFSS, 1988
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
No Data <10% 10%–14%
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Obesity Trends* Among U.S. AdultsBRFSS, 1989
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
No Data <10% 10%–14%
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Obesity Trends* Among U.S. AdultsBRFSS, 1990
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
No Data <10% 10%–14%
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Obesity Trends* Among U.S. AdultsBRFSS, 1991
No Data <10% 10%–14% 15%–19%
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
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Obesity Trends* Among U.S. AdultsBRFSS, 1992
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
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Obesity Trends* Among U.S. AdultsBRFSS, 1993
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
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Obesity Trends* Among U.S. AdultsBRFSS, 1994
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
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Obesity Trends* Among U.S. AdultsBRFSS, 1995
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
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Obesity Trends* Among U.S. AdultsBRFSS, 1996
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
No Data <10% 10%–14% 15%–19%
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Obesity Trends* Among U.S. AdultsBRFSS, 1997
No Data <10% 10%–14% 15%–19% ≥20
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
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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
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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
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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
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Obesity Trends* Among U.S. AdultsBRFSS, 2001
No Data <10% 10%–14% 15%–19% 20%–24% ≥25%
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
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(*BMI 30, or ~ 30 lbs overweight for 5’4” person)
No Data <10% 10%–14% 15%–19% 20%–24% ≥25%
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
Obesity Trends* Among U.S. AdultsBRFSS, 2002
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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%
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Obesity Trends* Among U.S. AdultsBRFSS, 2004
No Data <10% 10%–14% 15%–19% 20%–24% ≥25%
(*BMI ≥30, or ~ 30 lbs overweight for 5’ 4” person)
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19961991
Obesity Trends* Among U.S. AdultsBRFSS, 1991, 1996, 2004
(*BMI 30, or about 30 lbs overweight for 5’4” person)
No Data <10% 10%–14% 15%–19% 20%–24% ≥25%
2004
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Obesity withresearch controls
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Obesity Prevalence Rates Over Time, Controlling for Race/Gender/Education
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Epidemic Increase in Pediatric Obesity, 1980s-present
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Promising Research Using Control GroupsJAMA (1999) “Reducing Children’s Television Viewing to Prevent Obesity: A Randomized, Controlled Trial”
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Promising Research Using Control Groups, JAMA• Context Some observational studies have found an association between television viewing and
child and adolescent adiposity. • Objective To assess the effects of reducing television, videotape, and video game use on
changes in adiposity, physical activity, and dietary intake. • Design Randomized controlled school-based trial conducted from September 1996 to April 1997. • Setting Two socio-demographically and scholastically matched public elementary schools in San
Jose, Calif. • Participants Of 198 third- and fourth-grade students, who were given parental consent to
participate, 192 students (mean age, 8.9 years) completed the study. • Intervention Children in 1 elementary school received an 18-lesson, 6-month classroom
curriculum to reduce television, videotape, and video game use.
• Main Outcome Measures Changes in measures of height, weight, triceps skinfold thickness, waist and hip circumferences, and cardiorespiratory fitness. The primary outcome measure was body mass index, calculated as weight in kilograms divided by the square of height in meters.
• Results Compared with controls, children in the intervention group had statistically significant relative decreases in body mass index (intervention vs control change: 18.38 to 18.67 kg/m2 vs 18.10 to 18.81 kg/m2, respectively; adjusted difference -0.45 kg/m2 [95% confidence interval {CI}, -0.73 to -0.17]; P=.002), triceps skinfold thickness (intervention vs control change: 14.55 to 15.47 mm vs 13.97 to 16.46 mm, respectively; adjusted difference, -1.47 mm [95% CI, -2.41 to -0.54]; P=.002), waist circumference (intervention vs control change: 60.48 to 63.57 cm vs 59.51 to 64.73 cm, respectively; adjusted difference, -2.30 cm [95% CI, -3.27 to -1.33]; P<.001), and waist-to-hip ratio (intervention vs control change: 0.83 to 0.83 vs 0.82 to 0.84, respectively; adjusted difference, -0.02 [95% CI, -0.03 to -0.01]; P<.001). Relative to controls, intervention group changes were accompanied by statistically significant decreases in children's reported television viewing and meals eaten in front of the television. There were no statistically significant differences between groups for changes in high-fat food intake, moderate-to-vigorous physical activity, and cardiorespiratory fitness.
• Conclusions: Reducing television, videotape, and video game use may be a promising, population-based approach to prevent childhood obesity.
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Obesity: diet, exercise, and GENESMalcolm Gladwell, “The Pima Paradox,” pp. 8-9: Claude
Bouchard, professor of social and preventive medicine (Laval University, Quebec City) – one group of men of similar height, weight and life style and overfed them by 1,000 calories/per day, six days a week, for 100 days.
The avg. weight gain was 18 pounds, BUT the range was 9-26 pounds.
role of “evolutionary history” (p. 9): those Pima that survived centuries ago did so for a reason that has enormous consequences for the Pima Indians of today
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