AOS sac 1 (B2)

Question 1

BOD

Answer 1

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

Question 2

DALY

Answer 2

A measure of burden of disease. One DALY is equal
to one year of healthy life lost due to illness and/or
death. DALYS are calculated as the sum of the years
lost due to premature death and the years lived
with disability for people living with the health
condition or its consequences.

Question 3

YLL

Answer 3

A measure of how many years of
expected life are lost due to
premature death

Question 4

YLD

Answer 4

A measure of how many healthy years of life are lost due to illness, injury or disability

Question 5

Incidence

Answer 5

Refers to the number
(or rate) of new cases
of a disease/
condition in a
population during a
given period

Question 6

Prevalence

Answer 6

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