demography Flashcards
variation and change in variables
demographic analysis
social and economic variable
population studies
tools of demography
count
rate
ratio
proportion
number of population in a specified area
count
frequency divided by population at risk
rate
two quantities
numerator and denominator need not be related
ratio
comparison of a part to a whole
proportion
original amount - reduced amount
percent reduction
new amount - old amount
percent change
used when changes cannot be measured
indicate direction and speed of change
health indicators
health indicators should be
valid
reliable
sensitive
specific
feasible
relevant
actually measure what is supposed to be measured
accurate or close to true value
valid
should be the same
precise or reproducibility
reliable
lowest possible amount or cases
sensitive
reflect change in situation concerned
specific
ability to obtain data needed
feasible
contribute to the understanding of the phenomenon
relevant
morbidity
sick
mortality
death
measures for morbidity
prevalence
incidence
all cases, new and pre-existing
prevalence
new cases
incidence
fetal death
gestation to birth
infant death
birth to 1 year
neonatal death
birth to 28 days
perinatal death
28 weeks gestation to birth
crude mortality rate
deaths/population
cause-specific
death from cause/population
case fatality
death from cause/people with disease
proportionate
death from cause/all deaths
HALE
health adjusted life expectancy
newborn can expect
DALY
disability adjusted life year
years lost due to ill-health or disability
QALY
quality adjusted life year
years of life added due to medical intervention
nutritional status indicator
BMI (body mass index)
