Table 1.
Participant Characteristics (Mean ± SE)
| Control | Methamphetamine use disordera | |||
|---|---|---|---|---|
| Smoking N = 6 |
Nonsmoking N = 8 |
Smoking N = 8 |
Nonsmoking N = 6 |
|
| Sex (men/women) | 5/1 | 4/4 | 5/3 | 5/1 |
| Age (y) | 32.0 ± 3.6 | 33.0 ± 2.8 | 36.3 ± 2.0 | 33.5 ± 3.3 |
| Parent’s education (y)b | 15.7 ± 1.1 | 13.8 ± 2.0 | 12.5 ± 0.6 | 14.0 ± 2.0 |
| Education (y)c,d | 15.8 ± 0.8 | 15.9 ± 0.7 | 11.7 ± 0.5 | 13.8 ± 0.7 |
| FSIQ | 107 ± 3.0 | 106 ± 3.4 | 101 ± 3.4 | 103 ± 2.1 |
| Race (ethnicity) | ||||
| Caucasian (non-Hispanic) | 4 | 1 | 1 | 2 |
| Caucasian (Hispanic) | 0 | 3 | 3 | 2 |
| African American | 1 | 2 | 1 | 0 |
| Asian | 0 | 1 | 0 | 0 |
| Hawaiian/Pacific Islander | 1 | 0 | 0 | 0 |
| American Indian/Alaska Native | 0 | 0 | 0 | 0 |
| More than 1 race | 0 | 1 | 3 | 2 |
| Handedness (right-handed) | 6 | 8 | 6 | 6 |
Abbreviations: FSIQ, full scale intelligence quotient; MUD, methamphetamine use disorder.
a Participants met DSM-5 criteria for MUD.
b Missing data: 1 control, 6 MUD.
c Missing data: 1 control, 1 MUD.
d P = .0002.