Childhood Obesity

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Childhood Obesity
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Intro to Childhood Obesity

• http//www.researchchannel.org/prog/displayevent.a
  spx?rID4077fID345

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cdc.gov
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cdc.gov
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cdc.gov
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Prevalence

• About 16 of all children and adolescents in the
  U.S. are overweight.
• Even our youngest children are affected.
• Overweight and obesity has increased in all
  ethnic groups, all ages and both genders.

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Obesity Racial / Ethnic Disparities

• More common in African Americans and Hispanics.
• Why?
• Fewer grocery stores and more fast-food
  restaurants
• Less likely to be involved in physical activities
• Higher poverty rates

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Causes of obesity

• Bigger portions
• From 1977 1994
• Calories increased 9 in adolescent boys and 7
  for adolescent girls
• Portions
• Salty snacks increased from 132 calories to 225
  calories
• Soft drinks increased from 144 calories to 193
  calories
• Hamburgers increased from 389 calories to 486
  calories.
• American Heart Association

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Causes Less Nutrition

• Fruits Vegetables
• Only 14 of children (6-19 y/o) meet the daily
  recommendation for 2-4 daily servings of fruit.
• Only 20 get the recommended daily serving of
  vegetables
• Whole grains
• Although at least two servings are recommended
• Children get less than one serving per day.

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Causes Milk consumption
American Heart Association
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Causes Added sugar

• Found in soft drinks, fruit drinks, sports
  beverages, energy drinks, and processed foods.
• Girls soda consumption doubled while boys
  consumption tripled.

American Heart Association
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Causes Eating Out

• Approximately 40 of budgeted food money is spent
  away from home.
• Americans spending on fast food
• Increased from 60 billion to 110 billion in the
  last 30 years.
• Children 11-18 y/o eat fast-food an average of
  twice a week.
• American Heart Association

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Causes Lack of Physical Exercise

• Although at least 30 minutes of moderate activity
  is recommended daily.
• 23 of children have no free-time physical
  activity
• Schools have dropped PE classes
• Media has replaced activity
• Neighborhoods may be unsafe

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Children/Teens BMI

• BMI Body Mass Index
• It does not measure body fat directly
• For children teens
• BMI is plotted on a BMI-for-age growth chart
• Given a percentile rank
• Underweight Less than 5th percentile
• Healthy weight 5th to 84th percentile
• Overweight 85th to 94th percentile
• Obese 95th percentile and greater
• Cdc.gov

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cdc.gov
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BMI

• Initially calculated the same as adult BMI
• But interpreted differently
• Amount of body fat changes with age
• Amount of body fat is different for boys and
  girls
• Healthy weight ranges change with each month of
  age for each sex
• Healthy weight ranges change as height increases
• Cdc.gov