Table 1.
Sample characteristics by psychological distress
| Cohort |
|||||
|---|---|---|---|---|---|
| No distress (N = 61) |
Distress (N = 50) |
||||
| N | Mean ± s.d. | N | Mean ± s.d. | p value | |
| Gender | |||||
| Female | 39 | n/a | 39 | n/a | 0.107 |
| Male | 22 | 11 | |||
| Race | |||||
| White | 44 | n/a | 33 | n/a | 0.604 |
| Black or African American | 4 | 7 | |||
| Asian | 11 | 9 | |||
| More than one race | 2 | 1 | |||
| Age | n/a | 21.55 ± 1.79 | n/a | 21.96 ± 2.13 | 0.266 |
| IQ | n/a | 108.38 ± 7.18 | n/a | 107.91 ± 7.37 | 0.737 |
| Affective symptoms | |||||
| Anxiety (HAMA) | n/a | 0.93 ± 1.79 | n/a | 11.82 ± 7.34 | <0.001 |
| Depression (HRSD) | n/a | 1.28 ± 2.65 | n/a | 14.36 ± 7.73 | <0.001 |
| Anhedonic depression (MASQ-AD) | n/a | 2.34 ± 0.41 | n/a | 3.34 ± 0.78 | <0.001 |
| Anxious arousal (MASQ-AA) | n/a | 1.11 ± 0.15 | n/a | 1.68 ± 0.69 | <0.001 |
| Anhedonia (SHAPS) | n/a | 19.02 ± 4.95 | n/a | 26.74 ± 7.86 | <0.001 |
| Trauma | |||||
| Events (THQ) | n/a | 1.41 ± 1.49 | n/a | 2.70 ± 2.18 | <0.001 |
HAMA, Hamilton Anxiety Rating Scale; HRSD, Hamilton Depression Rating Scale; MASQ-AA, Mood and Anxiety Symptom Questionnaire-Anxious Arousal; MASQ-AD, Mood and Anxiety Symptom Questionnaire-Anhedonic Depression; SHAPS, Snaith-Hamilton Pleasure Scale; THQ, Trauma History Questionnaire.