Age (years) |
35.9 |
8.2 |
36.7 |
9.25 |
0.72 |
Sex (% male) |
46.7% |
|
51.5% |
|
0.70 |
Ethnicity |
African-American |
58.0% |
|
56.7% |
|
|
Caucasian |
42.0% |
|
43.3% |
|
|
Personal Education (years) |
15.2 |
2.7 |
12.8 |
2.3 |
<0.001 |
Parental Education (years) |
14.4 |
2.6 |
14.4 |
3.50 |
0.97 |
Medication status |
Atypical antipsychotics (%) |
NA |
|
55% |
|
|
Typical antipsychotics (%) |
NA |
|
3% |
|
|
Typical and atypical (%) |
NA |
|
6% |
|
|
Medicated (no antipsychotics) |
|
|
15% |
|
|
Not Medicated (%) |
NA |
|
21% |
|
|
Olanzapine Equivalent Dose |
NA |
|
14.7 |
9.2 |
|
Clinical ratings |
Brief Negative Symptom Scale |
Total Score |
NA |
|
24.5 |
13.2 |
|
Avolition/Anhedonia Subscale |
NA |
|
16.0 |
8.8 |
|
Self-Report |
Snaith Hamilton Pleasure Scale |
50.7 |
5.9 |
43.5 |
10.5 |
0.001 |
Neurocognitive Measures |
Wechsler Test of Adult Reading |
101.2 |
14.3 |
98.3 |
12.0 |
0.39 |