Table 3

Cognitive function in older adults with type 1 diabetes compared with older adults with type 2 diabetes

Total cognitionLanguageExecutive function/psychomotor processing speedVerbal episodic memoryVisual episodic memorySimple attention
β (95% CI)β (95% CI)β (95% CI)β (95% CI)β (95% CI)β (95% CI)
Model 1: adjusted for race/ethnicity, age, sex, and educational attainment
 T1D−0.02 (−0.09 to 0.05)−0.10 (−0.20 to −0.01)−0.18 (−0.28 to −0.08)−0.17 (−0.29 to −0.04)0.32 (0.21 to 0.43)0.03 (−0.09 to 0.15)
 T2DRefRefRefRefRefRef
Model 2a: model 1 + additional adjustment for stroke, MI, neuropathy, and retinopathy
 T1D0.003 (−0.07 to 0.07)−0.09 (−0.19 to 0.01)−0.12 (−0.22 to −0.02)−0.18 (−0.31 to −0.05)0.35 (0.23 to 0.46)0.06 (−0.06 to 0.18)
 T2DRefRefRefRefRefRef
Model 2b: model 1 + additional adjustment for depression, PSQI, and BMI
 T1D−0.03 (−0.10 to 0.05)−0.12 (−0.22 to −0.01)−0.20 (−0.31 to −0.09)−0.20 (−0.35 to −0.06)0.33 (0.21 to 0.46)0.05 (−0.09 to 0.18)
 T2DRefRefRefRefRefRef
Model 3: adjustment for all above covariates
 T1D−0.002 (−0.08 to 0.08)−0.11 (−0.22 to 0.01)−0.14 (−0.26 to −0.02)−0.21 (−0.37 to −0.06)0.36 (0.23 to 0.49)0.07 (−0.07 to 0.22)
 T2DRefRefRefRefRefRef
  • Linear regression models comparing cognitive function in those with T1D with those with T2D with varying levels of covariate adjustment.

  • Results in bold are statistically significant.

  • BMI, body mass index; MI, myocardial infarction; PSQI, Pittsburgh Sleep Quality Index; Ref, reference; T1D, type 1 diabetes; T2D, type 2 diabetes.