Table 1:

Demographic data for SDI and controlsa

SDIControls
Sex17 M/11 F13 M/15 F
Age (yr)35.0 ± 7.436.0 ± 8.6
Educationb12.1 ± 2.313.6 ± 1.9
IQ102.2 ± 9.9100.8 ± 12.1
Last drug use (yr)1.46 ± 1.0

  • Note:—Last drug use indicates drugs and alcohol.

  • ↵a Data are mean (SD).

  • ↵b P = .01.