1.2 Who is at risk of cardiovascular disease?

Question 1

What factors contribute to health risks?

Answer 1

• Age
• Heredity
• Physical environment
• Social environment
• Lifestyle and behaviour choices

Question 2

What is correlation?

Answer 2

When a change in one variable is accompanied by a change in another variable, but does not necessarily mean they are causally linked

Question 3

What is an example of correlation?

Answer 3

There is positive correlation between the number of cigarettes smoked over a lifetime and the chance of developing cardiovascular disease

Question 4

What is causation?

Answer 4

When a change in one variable is responsible for a change in another variable

Question 5

What is an example of causation?

Answer 5

Speaking English as your first language correlates well with having a greater than average life expectancy