Introduction

Question 1

What separates epidemiology from clinical medicine?

Answer 1

It is interested in populations, groups of people and not separate individuals.

Question 2

Exposure

Answer 2

It is supposed to affect the outcome: an increase or decrease occurrence of disease or other health outcome.

The exposure may relate to the environment, behaviour and lifestyle or inborn and inherited characteristics.

Question 3

Epidemiological studies

Answer 3

Studying associations and their strength.

Describe and analyse differences in distribution of health and illness between and within populations.

Question 4

Define epidemiology

Answer 4

The study of the distribution and determinants of health related states or events in specified populations, and the application of this study to the control of health problems.

Ask questions of who, what, when, where, why.