Methods and standards / Concept Glossary / Body Mass Index (BMI)

Concept selected: Body Mass Index (BMI)


Relationship between the weight of the individual (in kilograms) and the square of the height (in metres).


From this index, the population aged 18 and over years old and over is defined as follows:
-Underweight (BMI < 18.5 kg/m2).
-Normal weight (18.5 kg/m2 <= BMI < 25 kg/m2).
-Overweight (25 kg/m2 <= BMI < 30 kg/m2).
-Obesity (BMI >= 30 kg/m2).
For the population aged 2 and 17 years old, there are specific cut points.


National Health Survey. Methodology


Statistical operations

(enlaces al Inventario de Operaciones Estadísticas)

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