Table 1.
Demographic and clinical variables
| Variable | CONTROLS (n=25) | FAMILY (n=20) | p-value | ||
|---|---|---|---|---|---|
| Percentage | Proportion | Proportion | |||
| Gender (% F) | 52.0% | 13F/12M | 55.0% | 11F/9M | 0.99 |
| Handedness (% R) | 92.0% | 23R/2L | 80.0% | 16R/4L | 0.38 |
| Smoke (% N) | 80.0% | 20N/5Y | 80.0% | 16N/4Y | 1 |
| Mean (SD) | Range | Mean (SD) | Range | ||
| Age (yrs) | 39.0 (10.7) | 22.3–56.3 | 42.3 (14.8) | 20.9–59.4 | 0.28 |
| Education (yrs) | 14.8 (1.9) | 11–18 | 14.8 (2.3) | 11–20 | 0.95 |
| Parental Education | 13.4 (3.1) | 7.5–20 | 13.9 (2.7) | 9.5–18 | 0.62 |
| Height (in) | 67.3 (3.7) | 61–74 | 67.6 (4.3) | 60–73 | 0.79 |
| Weight (lb) | 173.3 (32.0) | 115–225 | 176 (34) | 118–250 | 0.83 |
| BMI (lb/in*in) | 27.0 (4.9) | 20.4–36.8 | 27.0 (4.5) | 18.7–33.9 | 0.99 |
| Trait Anxiety | 28.6 (6.7) | 20–48 | 30.2 (8.9) | 20–58 | 0.73 |
| Schizotypy (SIS) Total | 11.9 (7.2) | 1–29 | 15.0 (7.2) | 7–39 | 0.17 |
| Alpraz. Level (ng/mL) | 7.2 (4.1) | 0–13 | 7.8 (4.1) | 0.97–14.0 | 0.66 |
Abbreviations: F female, M male, R right, L left, N nonsmoker, Y smoker, SD standard deviation, BMI body mass index, SIS Structured Interview for Schizotypy