Week 3

Question 1

Risk factor

Answer 1

Condition that may adversely affect and individual’s health

Question 2

Absolute risk

Answer 2

The probability or chance of an event occuring. Used to communicate health risks to the general public.

Question 3

Relative risk

Answer 3

A measure of the risk of a certain event happening in one group compared to the risk of the same event happening in another group.

Question 4

Odds ratio

Answer 4

Ratio of the odds of development of disease in a non-exposed person

Question 5

Attributable risk

Answer 5

The proportion of a disease in exposed individuals, which can be attributed to exposure to the causative agent . AR assesses how much greater in absolute terms the frequency of an outcome is among the exposed compared with the non-exposed.

Question 6

Incidence rate

Answer 6

Number of new cases of a disease that occurs during a specified period of time in a population at risk for developing the disease.

Question 7

Prevalence rate

Answer 7

Number of people affected by a disease present in the population at a specific time divided by the number of persons in the population at the same time.

Question 8

Necessary

Answer 8

Disease will only occur if a factor is present.

Question 9

Sufficient

Answer 9

Exposure to disease will always lead to disease development.