[CH1] MEASURE OF ASSOCIATION & IMPACT

Question 1

attribute, exposure or behavior that increases the probability of having a disease

Answer 1

risk factor

Question 2

when the risk factor is unpreventable (age,sex,race)

Answer 2

risk attribute

Question 3

the aetiology of any disease is___?

Answer 3

multifactorial

Question 4

combination of many risk factors that act in different combinations to produce the disease

Answer 4

component causes

Question 5

____is sufficient to produce a disease

Answer 5

component cause

Question 6

____&____are NOT sufficient to produce a disease

Answer 6

necessary factor & risk factor

Question 7

measure of disease frequency over a specified time period

Answer 7

absolute risk/incidence rate

Question 8

relative risk>1 means

Answer 8

exposure is a risk factor

Question 9

relative risk=1 means

Answer 9

exposure is not associated w/ disease

Question 10

relative risk<1 means

Answer 10

exposure is protective factor

Question 11

a measure of the strength of association between exposure & outcome

Answer 11

relative risk

Question 12

indicates the etiological relationship between exposure & outcome

Answer 12

relative risk

Question 13

proportion of cases among exposed individuals that can be attributed to the exposure

Answer 13

attributable risk among exposed

Question 14

strength of the association between risk factor & outcome in case control studies

Answer 14

odds ratio

Question 15

odds ratio=1

Answer 15

exposure not associated w. disease

Question 16

odds ration>1

Answer 16

exposure is a risk factor

Question 17

odds ratio<1

Answer 17

exposure is a protective factor

Question 18

measure number of patients that need to be treated to have one favourable outcome

Answer 18

NNT

Question 19

measures proportion of patients cured by TTT

Answer 19

absolute risk reduction (ARR)

Question 20

measures reduced risk of disease after receiving the TTT

Answer 20

Relative Risk (clinical trials)