Inclusion of BMI in the multivariable mendelian randomisation for type 2 diabetes in DIAMANTE had no notable effect on the direct causal effects of apoB, LDL cholesterol, or triglycerides (appendix 1 table S19, appendix 2 p 8), which was also the case when accounting for WHRadjBMI (appendix 1 table S20, appendix 2 p 8). The gene discussed is APOB; the disease is type 2 diabetes mellitus.