Table 4.

The level of intervention for obesity is based on BMI, waist circumference and presence of comorbidities.¹⁰

BMI (kg/m 2 )	Waist circumference (cm)			Comorbidity present*
	Low risk	High risk	Very high risk
	<94 (male)	94–102 (male)	>102 (male)
	<80 (female)	80–88 (female)	>88 (female)
Overweight (25–29.9)	1	2	2	3
Obesity I	2	2	2	3
(30–34.9)
Obesity II	3	3	3	4
(35–39.9)
Obesity III	4	4	4	4
(40+)

1=general advice on healthy weight and lifestyle.

2=diet and physical activity.

3=diet and physical activity; consider medications.

4=diet and physical activity; consider medications; consider surgery.

*At least one of the following comorbidities should be present such as type 2 diabetes mellitus, hypertension, dyslipidaemia, ischaemic heart disease, obstructive sleep apnoea polycystic ovarian syndrome, osteoarthritis.¹⁰

BMI, body mass index.