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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• DEFINITION AND INTRODUCTION TO RESEARCH IN THIS AREA
• PRESENTATION OF AGING AND PHYSICAL ACTIVITY AS AN EXEMPLAR FOR RESEARCH IN THE EPIDEMIOLOGY OF AGING
• DEFINITION AND INTRODUCTION TO RESEARCH IN THIS AREA
• PRESENTATION OF AGING AND PHYSICAL ACTIVITY AS AN EXEMPLAR FOR RESEARCH IN THE EPIDEMIOLOGY OF AGING
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• THE STUDY OF THE AGE-RELATED DISTRIBUTION AND CAUSES OF DISEASE, DISABILITY, AND MORTALITY IN HUMAN POPULATIONS.
• THE STUDY OF THE AGE-RELATED DISTRIBUTION AND CAUSES OF DISEASE, DISABILITY, AND MORTALITY IN HUMAN POPULATIONS.
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• CHRONOLOGICAL AGE IS ASSOCIATED WITH INCIDENCE AND PREVALENCE OF MOST HEALTH OUTCOMES.
• DESPITE THIS AGE ASSOCIATION, THERE IS CONSIDERABLE VARIATION IN HEALTH OUTCOMES WITHIN AGE CATEGORIES.
• CHRONOLOGICAL AGE IS ASSOCIATED WITH INCIDENCE AND PREVALENCE OF MOST HEALTH OUTCOMES.
• DESPITE THIS AGE ASSOCIATION, THERE IS CONSIDERABLE VARIATION IN HEALTH OUTCOMES WITHIN AGE CATEGORIES.
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• WHY ARE OLDER PEOPLE AT ELEVATED RISK FOR DISEASE, DISABILITY, AND DEATH?
• WHY ARE OLDER PEOPLE AT ELEVATED RISK FOR DISEASE, DISABILITY, AND DEATH?
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• ACCUMULATION OF ENVIRONMENTAL/BEHAVIORAL INSULTS.
• REDUCED IMMUNOLOGICAL SURVEILLANCE
• ACCUMULATION OF ENVIRONMENTAL/BEHAVIORAL INSULTS.
• REDUCED IMMUNOLOGICAL SURVEILLANCE
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• WHY IMPORTANT?– AGING OF THE HUMAN POPULATION– HEALTH AND VITALITY OF AN AGING
POPULATION– QUALITY OF LIFE AND COST OF CARE
• WHY IMPORTANT?– AGING OF THE HUMAN POPULATION– HEALTH AND VITALITY OF AN AGING
POPULATION– QUALITY OF LIFE AND COST OF CARE
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• AGING OF THE U.S. POPULATION, PERCENTAGE AGED 65+ YEARS BY YEAR
1900 4.0%1940 8.0%1980 11.5%2000 12.6%2030 20.0%
• AGING OF THE U.S. POPULATION, PERCENTAGE AGED 65+ YEARS BY YEAR
1900 4.0%1940 8.0%1980 11.5%2000 12.6%2030 20.0%
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• THERE IS CONSIDERABLE VARIABILITY BY REGION OF THE COUNTRY, 2000
– FLORIDA 18.1%– CALIFORNIA 10.4%– ALASKA 5.8%
• THERE IS CONSIDERABLE VARIABILITY BY REGION OF THE COUNTRY, 2000
– FLORIDA 18.1%– CALIFORNIA 10.4%– ALASKA 5.8%
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• RACE, ETHNICITY, AND AGE, U.S.2000 2050
NH white 83.5% 64.2%NH black 8.1 12.2NH Asian/PI 2.4 6.5Hispanic 5.6 16.4
• RACE, ETHNICITY, AND AGE, U.S.2000 2050
NH white 83.5% 64.2%NH black 8.1 12.2NH Asian/PI 2.4 6.5Hispanic 5.6 16.4
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• MAJOR AGE-ASSOCIATED CAUSES OF DEATH
– CARDIOVASCULAR DISEASE– CANCER– CHRONIC OBSTRUCTIVE PULMONARY
DISEASE– DIABETES
• MAJOR AGE-ASSOCIATED CAUSES OF DEATH
– CARDIOVASCULAR DISEASE– CANCER– CHRONIC OBSTRUCTIVE PULMONARY
DISEASE– DIABETES
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
AGE-SPECIFIC COLORECTAL CANCER INCIDENCE RATES
(Per 100,000 in population)
WM WF BM BF<65 20.4 14.7 25.3 20.465+ 408.0 269.3 385.8 286.1
AGE-SPECIFIC COLORECTAL CANCER INCIDENCE RATES
(Per 100,000 in population)
WM WF BM BF<65 20.4 14.7 25.3 20.465+ 408.0 269.3 385.8 286.1
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• COGNITIVE FUNCTION• Moderate/Severe Memory Impairment• Male Female• 65-69 5.3 3.8• 85+ 37.3 35.0
• COGNITIVE FUNCTION• Moderate/Severe Memory Impairment• Male Female• 65-69 5.3 3.8• 85+ 37.3 35.0
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• Moderate or severe memory impairment defined as four or fewer words recalled (out of 20) on combined immediate and delayed recall tests. Source: Health and Retirement Survey.
• Moderate or severe memory impairment defined as four or fewer words recalled (out of 20) on combined immediate and delayed recall tests. Source: Health and Retirement Survey.
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• DEPRESSIVE SYMPTOMS
• Males Females
• 65-69 12.1 18.0• 85 + 22.5 23.0
• DEPRESSIVE SYMPTOMS
• Males Females
• 65-69 12.1 18.0• 85 + 22.5 23.0
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• DEPRESSIVE SYMPTOMS ARE DEFINED AS FOUR OUT OF EIGHT SYMPTOMS FROM AN APPREVIATED CES-D SCALE.
• SOURCE: HEALTH AND RETIREMENT SURVEY
• DEPRESSIVE SYMPTOMS ARE DEFINED AS FOUR OUT OF EIGHT SYMPTOMS FROM AN APPREVIATED CES-D SCALE.
• SOURCE: HEALTH AND RETIREMENT SURVEY
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• PERCENT OF MEN AND WOMEN AGED 60+ REPORTING TWO OR MORE HEALTH CONDITIONS
• MEN WOMEN• 60-69 35 45• 70-79 47 61• 80+ 53 70
• PERCENT OF MEN AND WOMEN AGED 60+ REPORTING TWO OR MORE HEALTH CONDITIONS
• MEN WOMEN• 60-69 35 45• 70-79 47 61• 80+ 53 70
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• FUNCTIONAL LIMITATIONS AND DISABILITIES
• FALLS, INJURIES, ACCIDENTS
• FUNCTIONAL LIMITATIONS AND DISABILITIES
• FALLS, INJURIES, ACCIDENTS
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• FUNCTIONAL LIMITATIONS –DIFFICULITIES IN THE PERFORMANCE OF GENERIC TASKS, E.G., THOSE RELATED TO UPPER- AND LOWER-BODY STRENGTH, BALANCE, AND FINE DEXTERITY.
• FUNCTIONAL LIMITATIONS –DIFFICULITIES IN THE PERFORMANCE OF GENERIC TASKS, E.G., THOSE RELATED TO UPPER- AND LOWER-BODY STRENGTH, BALANCE, AND FINE DEXTERITY.
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• DISABILITY – DIFFICULTY OR INABILITY IN THE PERFORMANCE OF A SOCIAL ROLE CAUSED BY A PHYSICAL OR COGNITIVE PROBLEM.
• DISABILITY – DIFFICULTY OR INABILITY IN THE PERFORMANCE OF A SOCIAL ROLE CAUSED BY A PHYSICAL OR COGNITIVE PROBLEM.
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• FALLS
• 30% OF PEOPLE AGED 65+ FALL EACH YEAR.• 10-15% OF THOSE FALLS ARE CONSIDERED
“SERIOUS/NON-FATAL”• FALLS REPRESENT THE LEADING CAUSE OF
ACCIDENTAL DEATH IN PEOPLE AGED 65 AND OLDER.
• FEAR OF FALLING IS A LEADING REASON FOR NOT ENGAGING IN PHYSICAL ACTIVITY.
• FALLS
• 30% OF PEOPLE AGED 65+ FALL EACH YEAR.• 10-15% OF THOSE FALLS ARE CONSIDERED
“SERIOUS/NON-FATAL”• FALLS REPRESENT THE LEADING CAUSE OF
ACCIDENTAL DEATH IN PEOPLE AGED 65 AND OLDER.
• FEAR OF FALLING IS A LEADING REASON FOR NOT ENGAGING IN PHYSICAL ACTIVITY.
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• CAUSES OF FALLS IN THE ELDERLY
• - DIZZINESS• - POOR COGNITIVE FUNCTION• - VISION PROBLEMS• - GENERAL FRAILTY• - ENVIRONMENTAL HAZARDS
• CAUSES OF FALLS IN THE ELDERLY
• - DIZZINESS• - POOR COGNITIVE FUNCTION• - VISION PROBLEMS• - GENERAL FRAILTY• - ENVIRONMENTAL HAZARDS
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• HEALTH PROMOTION
• NATIONAL INSTITUTE ON AGING STRATEGIC PLAN FOR 2001-05• CENTERS FOR DISEASE CONTROL, AGING
WHITE PAPER
• HEALTH PROMOTION
• NATIONAL INSTITUTE ON AGING STRATEGIC PLAN FOR 2001-05• CENTERS FOR DISEASE CONTROL, AGING
WHITE PAPER
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• NIA STRATEGIC PLAN – PHYSICAL ACTIVITY
Delay the onset of disabilities and diseaseReduce the risk of falls and fracturesImprove mood and depressionIncrease life span
• NIA STRATEGIC PLAN – PHYSICAL ACTIVITY
Delay the onset of disabilities and diseaseReduce the risk of falls and fracturesImprove mood and depressionIncrease life span
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• CDC PLAN– Key Component to Healthy Aging– Increases strength– Reduces risk of death– Improves mood– Improves muscular performance,
flexibility, and mobility
• CDC PLAN– Key Component to Healthy Aging– Increases strength– Reduces risk of death– Improves mood– Improves muscular performance,
flexibility, and mobility
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• If it’s such a good thing……
–Many Americans are not engaging in physical activity.
– Although more and more older adults are aware of the benefits of physical activity, only one-third exercise regularly.
• If it’s such a good thing……
–Many Americans are not engaging in physical activity.
– Although more and more older adults are aware of the benefits of physical activity, only one-third exercise regularly.
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• STUDY OF PHYSICAL PERFORMANCE AND AGE-RELATED CHANGES IN SONOMANS (SPPARCS PROJECT)
– Sonoma residents aged 55 and older (n = 2096)– Home and laboratory assessments. Four
assessments over a 8.5 year period.– Focus on the effects of leisure-time physical
activity and health, functioning, and survival.
• STUDY OF PHYSICAL PERFORMANCE AND AGE-RELATED CHANGES IN SONOMANS (SPPARCS PROJECT)
– Sonoma residents aged 55 and older (n = 2096)– Home and laboratory assessments. Four
assessments over a 8.5 year period.– Focus on the effects of leisure-time physical
activity and health, functioning, and survival.
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• ECOLOGICAL MODEL
• DIFFERENCES IN HEALTH AND WELL BEING ARE AFFECTED BY A DYNAMIC INTERACTION BETWEEN BIOLOGY, BEHAVIOR, AND THE ENVIRONMENT.
• INTERACTION UNFOLDS OVER THE LIFE COURSE OF INDIVIDUALS, FAMILIES, AND COMMUNITIES.
• AGE, GENDER, RACE, ETHNICITY, AND SOCIOECONOMIC DIFFERENCES SHAPE THE CONTEXT OF THAT INTERACTION.
• ECOLOGICAL MODEL
• DIFFERENCES IN HEALTH AND WELL BEING ARE AFFECTED BY A DYNAMIC INTERACTION BETWEEN BIOLOGY, BEHAVIOR, AND THE ENVIRONMENT.
• INTERACTION UNFOLDS OVER THE LIFE COURSE OF INDIVIDUALS, FAMILIES, AND COMMUNITIES.
• AGE, GENDER, RACE, ETHNICITY, AND SOCIOECONOMIC DIFFERENCES SHAPE THE CONTEXT OF THAT INTERACTION.
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
ECOLOGICAL MODEL
MULTIPLE POINTS OF INTERVENTION TO POSTPONE DISEASE, DISABILITY, AND DEATH; AND ENHANCE THE CHANCES FOR HEALTH, MOBILITY, AND LONGEVITY.
ECOLOGICAL MODEL
MULTIPLE POINTS OF INTERVENTION TO POSTPONE DISEASE, DISABILITY, AND DEATH; AND ENHANCE THE CHANCES FOR HEALTH, MOBILITY, AND LONGEVITY.
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• PHYSICAL ACTIVITY ….
– DECLINES WITH AGE–MEDICAL AND NON-MEDICAL CAUSES
• PHYSICAL ACTIVITY ….
– DECLINES WITH AGE–MEDICAL AND NON-MEDICAL CAUSES
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• FEMALES AGED 55-64 ARE MORE LIKELY THAN MEN OF THE SAME AGE TO LIMIT OR AVOID LTPA BECAUSE OF THE ABSENCE OF AN EXERCISE COMPANION.
• NEARLY 1/3 OF WOMEN AGED 75+ REPORT THE ABSENCE OF AN EXERCISE COMPANION AS A LEADING REASON.
• AMONG MARRIED COUPLES, THE LTPA OF THE SPOUSE WAS THE BEST PREDICTOR OF THE SUBJECT’S LTPA.
• FEMALES AGED 55-64 ARE MORE LIKELY THAN MEN OF THE SAME AGE TO LIMIT OR AVOID LTPA BECAUSE OF THE ABSENCE OF AN EXERCISE COMPANION.
• NEARLY 1/3 OF WOMEN AGED 75+ REPORT THE ABSENCE OF AN EXERCISE COMPANION AS A LEADING REASON.
• AMONG MARRIED COUPLES, THE LTPA OF THE SPOUSE WAS THE BEST PREDICTOR OF THE SUBJECT’S LTPA.
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• WHY IS THE ABSENCE OF AN EXERCISE COMPANION MORE SERIOUS FOR FEMALES THAN FOR MALES?
• WHY IS THE ABSENCE OF AN EXERCISE COMPANION MORE SERIOUS FOR FEMALES THAN FOR MALES?
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• PERCENT AGED 65+ MARRIED BY GENDER IN THE U.S.
Male Female
75.1% 42.9%
• PERCENT AGED 65+ MARRIED BY GENDER IN THE U.S.
Male Female
75.1% 42.9%
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EPIDEMIOLOGY OF AGING
EPIDEMIOLOGY OF AGING
• STRATEGIES TO ENHANCE HEALTH AND FUNCTIONING THROUGH PHYSICAL ACTIVITY
– RWJ PROGRAM IN “ACTIVE FOR LIFE”– RWJ PROGRAM IN “ACTIVE
ENVIRONMENTS”
• STRATEGIES TO ENHANCE HEALTH AND FUNCTIONING THROUGH PHYSICAL ACTIVITY
– RWJ PROGRAM IN “ACTIVE FOR LIFE”– RWJ PROGRAM IN “ACTIVE
ENVIRONMENTS”