Usefulness of measures

Question 1

prevalence use

Answer 1

useful for assessing the burden of a disease within a population
valuable for planning
not useful for determining what caused disease
check whether point or period prevalence

Question 2

what is the role of epidemiology

Answer 2

to describe patterns of health and disease within populations
to interpret these differences
to apply our results to public health practice
to evaluate effect of health-related intervention

Question 3

what are the assumptions in epidemiology

Answer 3

Disease does not occur at random
Disease has causal and preventive factors

Question 4

what does epidemiology systematically explores

Answer 4

differences in disease frequency in sub-groups
causal and preventive factors

Question 5

good examples of routine data

Answer 5

census data
death data
nationally funded schemes usually good

Question 6

routine data - types and how collected

Answer 6

some of this data is compulsory but much collection is voluntary
disease (disease registers)
economic
demographic