Leading Health Leading Health Indicators Indicators Ten Major Public Health Issues Ten Major Public Health Issues • Physical activity • Tobacco use • Responsible sexual behavior • Mental health • Access to health care • Overweight &obesity • Substance abuse • Injury & violence • Immunization • Environmental quality
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Leading Health IndicatorsLeading Health IndicatorsTen Major Public Health IssuesTen Major Public Health Issues
• Physical activity• Tobacco use• Responsible sexual
• Describe the current epidemic of obesity.• Define obesity and overweight.• Describe health consequences of obesity.• Describe benefits of physical activity• Describe current rates of participation in
physical activity.• Discuss the tobacco use & the adverse
health affects.
HeadlinesHeadlines
Chronic Disease EpidemicChronic Disease Epidemic
Obesity Obesity TrendsTrends Among U.S. Adults Among U.S. Adults between 1985 and 2003between 1985 and 2003• In 1985 only a few states were providing
obesity data. • In 1991, four states had obesity
prevalence rates of 15-19 percent and no states had rates at or above 20 percent.
• In 2003, 15 states had prevalence rates of 15-19 percent; 31 states had rates of 20-24 percent; and 4 states had rates more than 25 percent.
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19851985
No Data <10% 10%–14%
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19861986
No Data <10% 10%–14%
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19871987
No Data <10% 10%–14%
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19881988
No Data <10% 10%–14%
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19891989
No Data <10% 10%–14%
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19901990
No Data <10% 10%–14%
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19911991
No Data <10% 10%–14% 15%–19%
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19921992
No Data <10% 10%–14% 15%–19%
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19931993
No Data <10% 10%–14% 15%–19%
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19941994
No Data <10% 10%–14% 15%–19%
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19951995
No Data <10% 10%–14% 15%–19%
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19961996
No Data <10% 10%–14% 15%–19%
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19971997
No Data <10% 10%–14% 15%–19% ≥20
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19981998
No Data <10% 10%–14% 15%–19% ≥20
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults19991999
No Data <10% 10%–14% 15%–19% ≥20
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults20002000
No Data <10% 10%–14% 15%–19% ≥20
Obesity Trends Among U.S. AdultsObesity Trends Among U.S. Adults20012001
No Data <10% 10%–14% 15%–19% 20%–24% ≥25%
Changes in Obesity Rates For the Changes in Obesity Rates For the Traditional College Student age group:Traditional College Student age group:
• In 1991, for adults aged 18-29, 7.1% were obese.
• In 2000, 13.5% were obese.• More than 60% of U.S. population is
overweight or obese
Source: CDC Behavioral Risk Factor Surveillance System
How do we define obesity?– very high amount of body fat in relation to
lean body mass, or Body Mass Index (BMI) of 30 or higher.
Overweight? – BMI between 25.0 to 30.0 or a Body wt in
excess of a reference standard such as a mean wt for a given ht & frame size grouped by gender.
What is Body Mass Index?• Body Mass Index (BMI): a measure of an
adult’s weight in relation to his or her height, specifically the adult’s weight in kilograms divided by the square of his or her height in meters.
Low risk
Moderate risk
High risk
Desirable Range for adults: 18.5-25
Grade I Grade II Grade III
Selected Health Consequences of Overweight Selected Health Consequences of Overweight and Obesityand Obesity
Table 9.2
ACSM Weight Loss Program Criteria:ACSM Weight Loss Program Criteria:• >1,200 calories per day for normal adults • Includes foods acceptable to the dieter in terms of
cultural or religious background, usual habits, taste, cost, and ease in acquisition and preparation (these foods should be low in total fat, saturated fat, cholesterol, and sodium).
• Negative caloric balance (not to exceed 500 to 1,000 calories per day), resulting in gradual weight loss.
• Maximal weight loss of two to three pounds/week.
ACSM Weight Loss Program Criteria ACSM Weight Loss Program Criteria (continued)(continued)
• Uses behavior modification techniques to identify and eliminate diet habits that contribute to improper nutrition.
• Includes an exercise program that promotes a daily caloric expenditure of more than 300 calories per day (for many people, this may be accomplished best with moderate intensity, long duration exercise, such as walking).
• Provides that new eating and physical activity habits can be continued for life to maintain the achieved lower body weight.
So Far:So Far:• Prevalence of obesity.• Definition of overweight & obesity.• Associated health problems.
Next:• Physical activity
– Only 22% of U.S. adults engage in regular activity– 4 in10 adults never engage in any exercise,
sports, or physically active hobbies (NCHS)
What is physical activity? • Activity performed by the body that results in
e- usage above resting
• Dying prematurely
• Heart disease
• Type II diabetes
• Hypertension
• Colon cancer
• Feelings of depression and anxiety
Risks of Not ExercisingRisks of Not Exercising
• Build and maintain healthy bones, muscles and joints
• Promotes psychological well-being• May reduce symptoms of depression & anxiety,
Health Benefits of Physical Activity?Health Benefits of Physical Activity?
The fitness components that have the The fitness components that have the greatest impact on health: cardiorespiratory greatest impact on health: cardiorespiratory fitness & body composition.fitness & body composition.
Ability of the circulatory & Ability of the circulatory & respiratory systems to supply respiratory systems to supply OO2 2 during sustained physical during sustained physical activity.activity.
““To cease smoking is the easiest thing. I To cease smoking is the easiest thing. I ought to know. I’ve done it a thousand ought to know. I’ve done it a thousand
times. “ - Mark Twaintimes. “ - Mark Twain
When Smokers QuitWhen Smokers Quit
Figure 13.4
SummarySummary
Major Health Challenges facing college students today:
1. Definition Overweight & obesity– Body Mass Index Healthy Range– Key components of a weight loss program