Body mass index of Indian 19-year-olds among lowest in 200 countries

India ranks third and fifth from the bottom respectively among countries where 19-year-old girls and boys have a low body mass index, according to a study in The Lancet.

Context

• India ranks third and fifth from the bottom respectively among countries where 19-year-old girls and boys have a low body mass index, according to a study in The Lancet.

Key points

Body Mass Index

• BMI is measured as the weight in kg divided by the square of the height in metres.
• World Health Organization guidelines define a normal BMI range as 18.5 to 24.9, overweight as 25 or higher, and obesity as 30 or higher.
• The mean BMI of 19-year-old boys is 20.1 in India, compared to a high of 29.6 in the Cook Islands and a low of 19.2 in Ethiopia.
• For Indian girls, the mean BMI is again 20.1, compared to a high of 29.0 in Tonga and a low of 19.6 in Timor-Leste.
• The mean height of Indian 19-year-olds is 166.5 cm for boys and 155.2 cm for girls, well below the high of Netherlands boys (183.8 cm) and girls (170 cm).

Reasons and cure

• The reasons could be several, like variations in the epigenetic, dietary intakes, familial, psychosocial, parental education, occupations, income etc.
• The need for regular diet and nutrition surveys in India to avert the increase of overweight and obesity among children and adolescents.