INS and type 1 diabetes mellitus: For instance, it is plausible that the lower mean age of people with type 1 diabetes versus type 2 diabetes (29.0 ± 8.5 vs. 55.3 ± 10.1 years, respectively) and the constant need for exogenous insulin treatment may have contributed to the higher prevalence of diabetes distress in people with type 1 diabetes.