Lecture 2- disease frequency

Question 1

what is the target population

Question 2

how can systematic sampling errors avoided

Question 3

what is the study population

Question 4

what must a study sample be

Question 5

what are rates

Question 6

what do clinical studies describe

Question 7

what do epidemiology studies describe

Answer 7

Always need to know the population size

Question 8

what is the equation for rate

Question 9

how do we calculate ratios

Question 10

what is a prevalence rate

Question 11

what is an incidence rate

Question 12

how is prevalence calculated

Answer 12

Usually expressed as cases per 100 or per 100

Question 13

what is the point prevalence rate

Question 14

what is the period prevalence rate and when is it mainly used

Question 15

what factors effect the prevalence rate

Question 16

what increases the prevalence rate

Question 17

what decreases prevalence rates

Question 18

why do prevalence studies do not usually provide strong evidence of causality

Question 19

The prevalence of risk factors for a disease are as important as…

Question 19

what are prevalence rates helpful in

Question 20

what’re incidence rates

Question 21

the Rate of occurrence of NEW cases; is applicable to…

Question 22

what is the equation for incidence rates

Question 23

what are the pros of incidence rates

Question 24

what are the cons of incidence rates

Question 25

what is the link between incidence and prevalence

Question 26

how do we calculate prevalence

Question 27

what disease has high prevalence and low incidence

Question 28

what disease has low prevalence and high incidence

Question 29

what is case fatality

Question 30

how do we calculate case fatality

Question 31

To make comparisons between sets of continuous data, the measurements must be...

Question 32

To make comparisons 3 forms must be considered....

Question 33

what population is the crude rate presented for

Question 34

what population is the specific rate presented for

Question 35

what are the standardised or adjusted ratios

Question 36

what is the crude rate not standardised for

Question 37

what is the equation for crude mortality rate

Question 38

what are specific rates

Question 39

example age standardised rates and why are these rates needed

Question 40

what is SMR

Question 41

what is the equation for SMR

Question 42

what does it mean if the SMR is 100

Question 43

what does it mean if the SMR over 100

Question 44

what does it mean if the SMR is below 100

Question 45

what does epidemiology not look in to

Question 46

what correlation does age and disease have