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Demographic features by group
| SUD | CG | |
|---|---|---|
| Age, mean (SD) | 53.3 (4.33) | 52.10 (3.89) |
| Education, mean (SD) | 12.34 (2.73) | 12.11 (2.34) |
| Sex (% female), mean (SD) | 53.32 (2.98) | 54.32 (2.75) |
| Race | White | |
| Years of regular substance abuse, mean (SD) | 14.42 (2.54) |
Abbreviations: SUD, substance use disorder; CG, control group.
