BRI appeared to estimate disease risk with more nuance and less uncertainty than BMI did. They also found that the average BRI increased from 4.80 to 5.62 over that period, especially in women ...

We examined associations of BMI with healthy and chronic disease-free ... 50 and 75 years without chronic diseases decreased from 62 and 65% in normal weight men and women and to 29 and 36% ...