Body-mass index and diabetes risk in 57 low-income and middle-income countries – “Optimal BMI thresholds for diabetes screening ranged from 23·8 kg/m2 among men in east, south, and southeast Asia to 28·3 kg/m2 among women in the Middle East and north Africa and in Latin America and the Caribbean”.

Body-mass index and diabetes risk in 57 low-income and middle-income countries: a cross-sectional study of nationally representative, individual-level data in 685 616 adults – The Lancet (link to abstract – $ for full-text)

Related: Study shows BMI cut-offs for obesity and diabetes risk do not work for non-white populations. AND Study: Certain Racial/Ethnic Groups More Likely to Have Diabetes and Prediabetes at Lower Weights