INS and type 2 diabetes mellitus: N=831,456; BI switchers (n=3920 to 19,256); age (years): range 58.2-60.1; female (%): range 49.8-52.0; White (%): —; T2D: (831,456, 100%); baseline measures: BMI (kg/m2): range 33.8-35.0; HbA1c (%): range 8.91-9.02; blood glucose level (mg/dL): —; smoking (%): —. Insulin naïve (n=2279 to 47,085); age (years): range 58.8-60.4; female (%): range 48.6-52.1; White (%): —; T2D (n [%]): (100); baseline measures: BMI (kg/m2): range 34.0-34.6; HbA1c (%): range 9.39-9.64; blood glucose level (mg/dL): —; smoking (%): —