Health Services

Risk Factors and Health

A Crowd of PeopleThe main risk factors to health fall into two categories: behavioural and clinical.

Behavioural risk factors are:-  tobacco use
-  alcohol use
-  physical inactivity
-  poor diet

Clinical risk factors are:
high blood pressure
-  overweight and obesity
-  high cholesterol

The following table shows a rough estimate of the relative importance to the population. 

 Risk Factor

%age DALY's* lost due to all risk factors

 Tobacco

 23.7

 Blood pressure

 16.3

 Overweight

 13.4

 Alcohol

 12.9

 Cholesterol

 12.4

 Physical activity

 5.5

 Low fruit and vegetable intake

 4.4

 Illicit drugs

 4.1

 Unsafe sex

 1.2

  * DALY = Disability Adjusted Life Years



The following papers explore the epidemiology of risk factors, and an anticipatory care approach as a response:

Of course, many risk factors may be present at the same time, and this is explored in the paper by Lawder R, Harding O, Stockton D, Fischbacher C, Brewster DH, Chalmers J, Finlayson A, Conway DI. BMC Public Health, 2010:

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