What is clear is that the propensity of the disease to affect large and giant dogs may be related to the higher body mass index of these dogs. (mypetneedsthat.com)
On average, they were about 46 years old and had an average body mass index of 27, meaning they were normal to very overweight. (sciencedaily.com)
This effect was most striking for white women: a two - unit increase in body mass index (BMI)-- a standard assessment of weight that takes one's height into account. (scientificamerican.com)