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Topic: Age adjusted

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	Age-Adjusted Rate
		For example, a county having a higher percentage of elderly people may have a higher rate of death or hospitalization than a county with a younger population, merely because the elderly are more likely to die or be hospitalized.
		The number of events (deaths, hospitalizations, etc.) in that age group in the area is divided by the estimated population of the same age group/area and then multiplied by 100,000.
		That is, for each age group, ASR = events in age group ÷ estimated population of that age group x 100,000.
	www.dhss.mo.gov /VermontVICA/Age-AdjustedRate.htm (428 words)

	Age-adjusted life expectancy - Wikipedia, the free encyclopedia
		Age-Adjusted Life Expectancy is the estimation of how long a person is expected to live based on their current age.
		This is a more useful statistic than simply calculating the average life span of an entire population, because it reveals trends such as infant mortality and quality of OAP health care.
		However, the age adjusted expectancy for 60 year old persons has only increased 10%.
	en.wikipedia.org /wiki/Age-adjusted_life_expectancy (337 words)

	Age Adjusted Rates
		One way of examining the pattern of health outcomes in communities of different sizes is to calculate an incidence or mortality rate, which is the number of new cases or deaths divided by the size of the population.
		Age confounding occurs when the two populations being compared have different age distributions and the risk of the disease or outcome varies across the age groups.
		The process of age-adjustment by the direct method changes the amount that each age group contributes to the overall rate in each community, so that the overall rates are based on the same age structure.
	www.health.state.ny.us /statistics/cancer/registry/age.htm (1413 words)

	Masters Age Grading
		Because it is a biological fact of nature that men and women slow down and lose strength with age, separating the older, or masters runner to be judged separate from the open runners made sense.
		When purse money is paid to masters runners, separate from the open runners, we are recognizing the effects of aging, but then invalidating the concept by giving the purse to the younger masters athletes who are naturally going to have faster times than the older runners.
		With age adjusting they can compare their best effort at age 45 to their best at 50 and 55, and on and on until they run off into the sunset forever.
	www.ibiblio.org /drears/running/masters/agegrade.html (1366 words)

	Age-adjusted Rates
		The age-specific rates for each age group in the study population are multiplied by the proportion of people in the same age group in the standard population distribution.
		Age-adjustment may also be used to control for age effects when comparing across several years of data, as the age distribution of the population changes over time.
		Age adjustment is not appropriate if the age-specific death rates in the population of interest do not have a consistent relationship.
	health.utah.gov /opha/IBIShelp/AgeAdjustRate.htm (235 words)

	Year 2000 Standard Population Age Adjustment - National Cancer Institute
		The major difference in rates age-adjusted to the 1970 population vs. the 2000 population is that rates adjusted to the year 2000 standard will be higher because more emphasis is given to the patterns for older persons, who have higher rates of cancer.
		The change in adjusting from a year 1970 standard population to a year 2000 standard population was undertaken to provide a more contemporary profile when viewing cancer statistics and to report data using the same standard adopted by all other federal health agencies.
		Thus, comparisons of rates adjusted to the 2000 standard are possible, while comparisons between rates adjusted to different standards, such as 1970 and 2000, are not valid because the population age structures are not the same.
	www.cancer.gov /newscenter/2000standardpop (777 words)

	Texas Cancer Data Center/Texas Demographics & Statics - Texas Cancer Deaths and Age-Adjusted Rates
		Age categories are divided into 18 age groups: 17 five-year intervals for ages 0-84, and one category for age 85 and above.
		Age-adjusted mortality rates per 100,000 for total (both sexes), males and females are displayed to the right of the total deaths for all ages for each sex.
		Deaths in unknown age groups are not included in the calculations of the age-adjusted rates.
	www.txcancer.org /demo/dthq.html (426 words)

	North Amercian Racewalking Foundation - Item on Age Grading (Calculator) (Site not responding. Last check: 2007-10-31)
		Age grading is a subjective process based on careful analysis of "world best" times at each age for both males and females.
		The "world best" times that serve as the basis for the age grading tables reflect a mathematical smoothing to compensate for distance-age-gender records that are spectacularly high, pitfully low, or have too few examples to provide a reasonable value (e.g., fastest 50K by a 99-year old racewalker).
		The WAVA Age Standards for running the mile, 5K, and 10K are based on track times and are published to the tenths of a second.
	www.philsport.com /narf/aagegrdc.htm (1005 words)

	Age-adjusted labor force participation rates, 1960-2045 Monthly Labor Review - Find Articles (Site not responding. Last check: 2007-10-31)
		One method for eliminating the confounding effect of a changing age distribution on changes in labor force participation is to focus, not on changes in the participation rate of the entire population, but on changes in the participation rate of specific age groups.
		Using the adjusted rates shows how overall participation rates would have changed during those years if the baby-boom cohorts were not "marching through" the U.S. population distribution, the population were not "graying," and other age-shifting demographic changes were not happening.
		In this formula, C is the proportion of a particular age group in the labor force and D is the number of persons in the age group in the population.
	www.findarticles.com /p/articles/mi_m1153/is_9_125/ai_96306448 (806 words)

	TALHO Age Adjustment Information (Site not responding. Last check: 2007-10-31)
		In other situations, age adjusted mortality rates are used to control for population age distributions that change with time or for different geographic areas.
		The age-adjusted death rate is defined as the death rate that would result if the observed age-specific death rates were present in a population with an age distribution equal to that of a standard population.
		Age-specific rates are calculated for each age group, then weighted using a standard population distribution, then added to produce an age adjusted rate.
	www.dshs.state.tx.us /chs/talho/ageadj.shtm (336 words)

	The age-adjusted unemployment rate: an alternative measure Challenge - Find Articles
		Similarly, the decline in the unemployment rate during the mid- to late 1980s may be attributable more to the aging of the labor force than to the success of supply-side economics.(2) Perhaps the low reported unemployment rate we are currently experiencing warrants an alternative explanation as well.
		Men aged 45 to 64 were 20.1 percent of the workforce in 1970, but only 15.1 percent in 1995.
		Women aged 25 to 44 increased their share of the workforce from 14.1 percent in 1970 to 24.3 percent in 1995.
	www.findarticles.com /p/articles/mi_m1093/is_1_42/ai_53697785 (631 words)

	Tools of the Trade - Age-Adjusted Rates
		Death or incidence rates can be adjusted for any demographic factor such as race or any combination of factors, such as age, sex and race.
		Age-adjusted rates are commonly used in comparative mortality analyses since age is such a prime factor in mortality, especially with chronic diseases such as heart disease and diabetes.
		The standard million age distribution of the total population of the U.S. according to the 1940 Census has been the most commonly used for adjustment of mortality rates.
	www.health.state.pa.us /hpa/stats/techassist/ageadjusted.htm (962 words)

	Cancer and Wisdom of the Body: New Medicine Age adjusted breast cancer rate
		The age adjusted rate stands for the chance of a woman to get breast cancer at a given age.
		Tumor growth which is controlled by the organism. The age adjusted incidence depicts the probability of tumor surfacing at a given age.
		Since at this age death from myocardial infarction or stroke predominates, some of these patients may carry into their grave a hidden cancer and contribute to the downward incidence rate.
	www.what-is-cancer.com /papers/newmedicine/ageadjusted.htm (392 words)

	Beyond the Box Score :: A Sabermetrics Blog
		This allows all pitchers to have a realistic aging pattern and it is adjusted downward to reflect the lower quality of all pitchers as opposed to the "good" pitchers who had at least 10 seasons with 150+ IP.
		But looking at Paige anyway, at age 45 he had 9 RSAA and was predicted to have -7.17, so he gets an age adjusted 16.174 RSAA (same as Diff in the last table).
		At age 46 he had 11 RSAA and was projected to have -9.0688, so his age adjusted RSAA was 20.0688.
	www.beyondtheboxscore.com /story/2006/4/11/9363/63365 (1652 words)

	Michael Phelps' Best Swim Ever
		I've looked at his National Age Group records from when he was younger, but none of those times beat (in terms of EPoints) the swims described here.
		The backstroke and breaststroke are the only two strokes that Michael does not currently have a national age group, national or world record.
		The 14 year old time is the age group record by almost 5 seconds.
	www.age-group-swimming.org /FavoriteSwimmers/Phelps/index.html (968 words)

	HHS Policy for Changing the Population Standard for Age Adjusting Death Rates, 8/26/98
		In 1991, NCHS convened the first workshop on age adjustment to examine technical issues and problems related to the calculation and interpretation of age-adjusted death rates.
		In both workshops, there was agreement that when it is appropriate to standardize, the choice of population standard is arbitrary, and that trend comparisons and group differences tend to be similar regardless of the standard used.
		Although there is no overriding statistical reason for choosing the year 2000 standard over other age distributions, the participants considered it appropriate to choose a year that represents the current population and with which data users can be comfortable.
	aspe.hhs.gov /datacncl/ageadj.htm (2070 words)

	Barren River Health Department Health Statistics
		For example, if you just compare crude death rates from heart disease among Florida residents to Alaskan residents, it will appear that Florida residents are much less healthy because the crude heart disease death rate will be much higher.
		By using a standard population to figure an age-adjusted rate, you eliminate the bias* of age in the comparison of 2 different populations, thus providing a much more reliable rate for comparison purposes.
		The Standard Population is the distribution of U.S. residents, by age group, for a given year.
	www.barrenriverhealth.org /cancer/age-adjusting.htm (301 words)

	Arthritis Issues - Genes Play Key Role in Elderly Fracture Risk (Site not responding. Last check: 2007-10-31)
		The influence of genetic factors was much greater for a first hip fracture among people younger than 69 years old, and for those between the ages of 69 and 79 than for people older than 79, according to researchers at Uppsala University Hospital.
		"We conclude that the genetic influence on susceptibility to fractures is dependent on type of fracture and age at fracture event," the study authors wrote in the Sept. 12 issue of the Archives of Internal Medicine.
		The findings suggest that genetics may be more important to osteoporosis and fracture risk than previously understood, "especially for early-occurring osteoporotic fractures," the Swedish team note.
	www.arthritisissues.com /ms/news/527908/main.html (395 words)

	"In Defense of Smokers", by Lauren A. Colby / Notes
		To make any sense, cancer rates must always be age adjusted, to take into account the aging of the population.
		Age adjustment corrects for these changes so that statistics for any particular year may be compared with those for another year, without the distortions which would otherwise result from changes in the aging of the population.
		In International Smoking Statistics, which I've previously cited, there is mention of a Fortune magazine poll, taken in 1935, which showed that 26% of the women in the U.S. from age 20 through age 39 smoked, and 9% of those over that age.
	www.lcolby.com /notes.htm (1438 words)

	SEER: Glossary of Statistical Terms
		For example, the average age of many Hispanic/Latino populations is less than that of other racial/ethnic groups.
		However, by adjusting for age, more accurate comparisons can be made.
		A standard million population for a geographic area is a table giving the number of persons in each age group 0, 1-4,...
	seer.cancer.gov /cgi-bin/glossary/glossary.pl (1759 words)

	Ageless results (Site not responding. Last check: 2007-10-31)
		Multiplied by a runner's actual time, an "age factor" adjusts the time to what it would have been in their prime.
		Dividing one's time by the "age standard" provides a percentage value that can be compared to any distance or age.
		He hopes that age grading will become commonplace by the time he starts benefiting from it in the 2010s.
	www.rrca.org /publicat/sum97age.htm (1517 words)

	SEER - Definition Age-adjusted Rates
		An age-adjusted rate is a weighted average of the age-specific (crude) rates, where the weights are the proportions of persons in the corresponding age groups of a standard million population.
		The potential confounding effect of age is reduced when comparing age-adjusted rates computed using the same standard million population.
		The age-adjusted rate for an age group comprised of the ages x through y is calculated using the following formula:
	www.seer.cancer.gov /seerstat/tutorials/aarates/definition.html (124 words)

	Homicide Age-Adjusted and Age-Specific Mortality Rates, 1989-2004
		Rates are based on age-specific death rates per 100,000 population in specified group.
		Computed by the direct method, using as the standard population the age distribution of the total population of the United States as projected for the year 2000.
		The true rate lies between the lower and upper bounds of the interval with 95% statistical confidence.
	www.mdch.state.mi.us /PHA/OSR/cri/Homicide.asp (736 words)

	Age Adjusted Mortality for Diabetes
		Diabetes is the only disease with a rising age adjusted mortality rate over this time period.
		Clearly the introduction of Humulin, Novolin Human, Humalog, and Novolog, have not improved the outlook or outcomes for US diabetics.
		Age Adjusted Death Rates, United States, 1979-1998, 3/28/2000
	members.tripod.com /diabetics_world/ageadj_mortality_diabetes.htm (184 words)

	AIDS Age-adjusted Mortality Rates
		Age-adjusted death rates are based on age-specific death rates per 100,000 population in specified group.
		Age-adjusted death rates are computed by the direct method, using as the standard population the age distribution of the total population of the United States for the year 2000.
		Records with age not stated were allocated to the age group 85 and over.
	www.mdch.state.mi.us /pha/osr/Deaths/Aidsdx.asp (411 words)

	age graded calculator
		Find the finish time and pace you will need to achive a desired age adjusted performance level.
		Use your exact age on race day, when calculating performance level?
		example: Use age 46 years and 258 days instead of 46 years.
	homepage.mac.com /dalesummers/lap/cal4.html (40 words)

	Prostate Cancer Issues - Age Could Alter PSA Readings
		But a new study suggests that men 70 years of age and younger require a different PSA criterion for diagnosing prostate cancer than older men.
		Researchers at Duke University Medical Center in Durham, N.C., analyzed the medical records of nearly 12,000 men and found that one criterion -- how quickly the PSA level is rising -- needs to be set at a lower threshold for men under 70.
		Using PSAV makes it much more likely that we will detect cancers in men of this age," Moul said.
	www.prostatecancerissues.com /ms/news/531197/main.html (439 words)

	Age-Adjusted Percent Distributions of Body Mass Index (BMI) Among Persons 18 Years Old and Over, by Selected ... (Site not responding. Last check: 2007-10-31)
		Total includes other races not shown separately and persons with unknown characteristics.
		Estimates for age groups are not age adjusted.
		Base figure too small to meet statistical standards for reliability of a derived figure.
	www.infoplease.com /ipa/A0931255.html (182 words)

	Advertising Age - AD AGE GLOBAL MARKETING REPORT 2005
		CHICAGO (AdAge.com) -- The world's media marketers are getting hotter, setting the stage for the Top 100 global marketers to crack the $100 billion level this year.
		That tally represented growth of 12.1% and the highest vista for the top marketers since their 2.6% decline through year 2001.
		Advertising Age adjusted each market's gross media media expenditures to reflect that market's global media volume ranking from ZenithOptimedia.
	www.adage.com /news.cms?newsId=46667 (378 words)

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