Nick Korevaar ( a mathematics lecturer from the University of Utah ) suggests that instead of squaring the body height ( as the BMI does ) or cubing the body height ( as the Ponderal index does ), it would be more appropriate to use an exponent of between 2.3 and 2.7 ( as originally noted by Quetelet ) . ( For a theoretical basis for such values see MacKay . ) Carl Lavie has written that, " The B . M . I . tables are excellent for identifying obesity and body fat in large populations, but they are far less reliable for determining fatness in individuals ."
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