1384.6 - Statistics - Tasmania, 2005  
Previous ISSUE Released at 11:30 AM (CANBERRA TIME) 13/09/2002   
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Contents >> Health >> Health risk factors >> Body Mass Index

Being overweight or obese are risk factors for many diseases, including coronary heart disease.

The body mass index is used to ascertain whether individuals are overweight or obese, and involves dividing weight (kg) by the square of height (m2).

The National Health and Medical Research Council recommends the following groupings:


Body mass index

UnderweightLess than 18.5
Normal weight18.5 to less than 20.0
20.0 to less than 25.0
Overweight25.0 to 30.0
ObeseGreater than 30.0

Source: ABS National Health Survey 2001: Summary Results (cat. no. 4364.0).

In 2001, 40.5% of Tasmanian males and 20.9% of Tasmanian females aged 18 years and over were overweight and 13.6% and 15.6%, respectively, were obese. Only 38.1% of Tasmania's population aged 18 years and over are actually classified as normal according to their score on the body mass index.

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