Table 1—

Significant group differences on measures of general intelligence 6 years after onset of diabetes

MeasureType 1 diabetes
Control subjects
Significance
nScorenScoreGroupGroup × age at onset
Verbal IQ
 All9097.4 (1.5)84103.2 (1.5)P < 0.01NS
 Onset <4 years2498.4 (2.5)27106.6 (2.4)P < 0.01NS
 Onset >4 years6696.2 (1.5)5799.7 (1.7)P < 0.01NS
Performance IQ
 All89103.6 (1.8)83106.8 (1.8)NSNS
 Onset <4 years24103.2 (3.1)27107.2 (2.9)NSNS
 Onset >4 years65104.1 (1.9)56106.4 (2.0)NSNS
Full-scale IQ
 All89100.2 (1.6)83105.3 (1.5)P < 0.05NS
 Onset <4 years24100.5 (2.7)27107.3 (2.6)P < 0.05NS
 Onset >4 years6599.9 (1.6)56103.2 (1.8)P < 0.05NS
  • Data are adjusted least-square means (SE).