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Table 1: Body Mass Index (BMI) Cutoffs Related to Health Risks
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BMI cut-offs according to Standards Committee of American Society of Obesity Surgery1 |
BMI cut-offs according to Singapore government2 |
Health Risk |
|
Women |
Men |
Women and Men |
|
Underweight |
<19.1 |
<20.7 |
<18.5 |
Nutritional deficiencies & osteoporosis |
Ideal weight |
19.1-25.8 |
20.7-26.4 |
18.5-22.9 |
Low risk (healthy) |
Overweight |
25.8-32.3 |
26.4-31.1 |
23-27.4 |
Moderate risk |
Obese |
>32.3 |
>31.1 |
>27.4 |
High risk |
Table 2. Calculating Your Body Mass Index (weight in kilograms)
Weight in kg
BMI = --------------------------------
(Height in metes)2
EXAMPLE
Height 180 cm or 1.8 m , Weight 80 kg
80 kg
BMI = ----------------------- = 24.69
(1.8 m x 1.8 m)
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Table 3. Classification of Abdominal Obesity by Waist Circumference
| Classification |
Waist Circumference (cm) |
| Males |
Females |
| Not overweight |
< 94.0 |
< 80 |
| Overweight |
| Pre-obese |
94.0 – 101.9 |
80.0 – 87.9 |
| Obese |
= 102.0 |
= 88.0 |
Table 4. Classification of Blood Pressure
| Classification |
Blood Pressure (mmHg) |
| Systolic |
Diastolic |
| Normal |
< 140 |
< 90 |
| Hypertension |
= 140 |
= 90 |
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