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An independent charity, working to improve the prevention and management of obesity.
At Risk

 

 Satisfactory

 Increased
 risk

 High risk

 Non-
 asian
 males

<94cm
<25kg/m2

>=94cm
>=25-28 kg/m2

>102cm
>28kg/m2
+co-morbs
>30kg/m2

 Asian
 males

<85cm
<23kg/m2

>=85cm
>=23-26 kg/m2

>93cm
>26kg/m2 +co-morbs
>28kg/m2

 Non-
 asian 
 females

<80cm
<25kg/m2

>=80cm
>=25-28 kg/m2

>88cm
>28kg/m2
+co-morbs
>30kg/m2

 Asian 
 females

<80cm
<23kg/m2

>=80cm
>=23-26 kg/m2

>85cm
>26kg/m2
+co-morbs
>28kg/m2

BMI categories The Lancet Vol 363 Jan 10 2004
Waist Circumference Diabetes Care Vol 26 No.5 May 2003 

Obesity can be a risk factor in the following conditions:

  • Diabetes
  • Coronary heart disease
  • Cardiovascular disease
  • Hypertension
  • Dislipidaemia
  • Osteoarthritis
  • Cancer including colon, breast, ovarian, prostate, liver, endometrial, renal and rectal
  • Respiratory including sleep apnoea
  • Fertility problems including PCOS
  • Complications in pregnancy
  • Gallstones
  • Mental health - major depression & suicide
  • Joint disorders including gout
  • Possible link to Alzheimer's

Please note this is not an exhaustive list.