INS and type 1 diabetes mellitus: T1D and T2D (follow‐up 5 to 8 years)Adjusted RR 0.62 (0.50 to 0.76) (T1D) 0.91 (0.72 to 1.13) (insulin‐treated T2D)Adjusted HR 0.86 (95% CI not reported; P value not statistically significant) (T1D)