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HHD Unit 1 AOS 1 Measurements of Health Status

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Rachel Weiss

on 18 February 2016

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Transcript of HHD Unit 1 AOS 1 Measurements of Health Status

Measurements of Health Status
What is Health Status?
An individual’s or population’s overall level of health, taking into account various factors such as life expectancy, amount of disability, and levels of disease risk factors.

Why do you think this is something that we need to measure?
How is it useful for
individuals
populations
Lets start with some definitions...
Copy these into your book
An indication of how long a person can expect to live.

It is the number of years of life remaining to a person at a particular age if death rates do not change.

Life expectancy
The number of deaths caused by a particular disease, illness or other environmental factors

Mortality
Morbidity
Refers to ill health in an individual and the levels of ill health in a population or group

Incidence
The number or rate of new cases of a particular condition during a specific time

Prevalence
The number or proportion of cases of a particular disease or condition present in a population at a given time.

Complete the Worksheet:
Understanding Incidence and Prevalence
YLL = Years of life lost
Calculated using LE minus age at death
eg. if a person dies at age 42 from a car crash, but their life expectancy was 82, how many YLL's are there?
YLD = Years of life lost to disability
Calculated using LE minus age of onset of illness
eg. if a person is diagnosed at age 62 with cancer, and their life expectancy is 82, how many YLD's are there?
Disability adjusted life years (DALY's)
A measure of burden of disease, one DALY equals one year of healthy life lost due to premature death and time lived with illness, disease or injury.

Measured in DALY= YLL + YLD
Years of Life Lost (YLL)
Years of Life Lost due to Disability (YLD)

Burden of Disease
A measure of the impact of disease and injuries, specifically it measures the gap between current health status and in ideal situation where everyone lives to an old age free of disease and disability. Burden of disease is measured in unit called DALY.

PPT Presentation: Life Expectancy Comparison
Game Time!
Full transcript