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MATHS
Role of BMI in one’s life
Traditionally, a person’s fatness has been defined at a personal level as well as at a societal level. However, this is difficult
to quantify. That is, each individual has his/her own perception of how fat he/she should be. this often depends on a
general concept of societal norms or is due to peer pressure. For example, in Western societies, young women are often
concerned about their body image, and most consider themselves to be too fat, even though they are well . This is not
only due to societal concepts of an ideal degree of fatness, but also due to thinness being a goal promulgated by the
fashion industry and reinforced by commercial advertising.
Among the Big Five personality traits, only conscientiousness showed a robust association with body weight, including
body mass index (BMI) and obesity risk. These results were robust to adjustments for family-fixed effects, which indicates
that the association between conscientiousness and body weight is generally not confounded by unobserved family-level
characteristics shared by siblings. A one-standard-deviation increase in conscientiousness was associated with a decrease in
BMI by 0.89 and a 12% reduction in the probability of being obese. This study also found some suggestive evidence of
gender and racial/ethnic differences. The association between conscientiousness and obesity was larger and statistically
significant only for women, and conscientiousness was most strongly associated with obesity among Hispanic people.
If your BMI is:-
• under 18.5kg/m 2 – you are considered underweight and possibly malnourished.
• 18.5 to 24.9kg/m 2 – you are within a healthy weight range for young and middle-aged adults.
• 25.0 to 29.9kg/m 2 – you are considered overweight.
• over 30kg/m 2 – you are considered obese.