Table 1.
Reading, auditory and cognitive abilities across groups. Data is presented as mean ± std. dev.
| Variable | Group | Statistics | ||||
|---|---|---|---|---|---|---|
| HC (N = 28) | SZ (N = 30) | Test | Stat | p-value | Effect Size | |
| Demographics | ||||||
| Age (years) | 37.2 ± 10.2 | 39.4 ± 11.2 | t | 0.78 | — | |
| Sex (F/M) | 6/24 | 11/21 | χ 2 | 1.61 | — | |
| Ethnicity (%) | ||||||
| Hispanic latino | 10.7% | 20% | χ 2 | 0.95 | — | |
| White Caucasian | 32.1% | 40% | χ 2 | 0.39 | — | |
| Black | 53.6% | 33.3% | χ 2 | 2.42 | — | |
| Asian | 3.6% | 6.7% | χ 2 | 0.28 | — | |
| Hand preference (L/F) | 3/25 | 1/29 | χ 2 | 1.22 | — | |
| Highest grade achieved | 14.9 ± 2.0 | 14.1 ± 2.5 | z | 0.82 | — | |
| Participant SES | 35.0 ± 13.8 | 26.5 ± 10.0 | z | 1.40 | < 0.05 | 0.37 |
| Parents SES | 45.4 ± 13.0 | 41.7 ± 14.9 | t | 1.00 | — | |
| Antipsychotic medication | — |
Atypical: 25/30 Typical: 3/30 Combination: 2/30 |
||||
| Chlorpromazine equivalent46–48 | — | 528.5 ± 735.9 | — | — | — | |
| Neurocognition (MCCB T-scores) | ||||||
| Total | — | 40.7 ± 7.7 | — | — | — | |
| Processing speed | — | 39.1 ± 10.8 | — | — | — | |
| Attention/Vigilance | — | 43.9 ± 13.3 | — | — | — | |
| Working Memory | — | 40.9 ± 11.5 | — | — | — | |
| Verbal Learning | — | 41.0 ± 7.2 | — | — | — | |
| Visual Learning | — | 37.5 ± 12.5 | — | — | — | |
| Reasoning/Problem Solving | — | 41.9 ± 11.3 | — | — | — | |
| Social cognition (% Total) | ||||||
| Auditory emotion recognition | 67.6 ± 11.8 | 57.8 ± 13.9 | t | 2.89 | 0.005 | 0.76 |
| Sarcasm | 82.7 ± 13.0 | 75.1 ± 14.6 | t | 2.09 | 0.041 | 0.55 |
| Early Auditory Processing | ||||||
| Tone-matching (% Total) | 83.2 ± 11.7 | 82.3 ± 11.7 | t | 0.29 | — | |
| Functioning | ||||||
| SLOF (mean) | — | 4.7 ± 0.3 | — | — | — | |
| UPSA (scaled score) | — | 77.5 ± 11.0 | — | — | — | |