Table 1.
Demographic data concerning age, sex proportion, BMI, and education in the different groups
| Treatment group | n | Age (mean ± SD) |
Female:male proportion | BMI | Education, years (mean ± SD) |
Estimated IQ (mean ± SD) |
|---|---|---|---|---|---|---|
| Aripiprazole | 18 | 25.6±6.5 | 11:7 | 24.4±4.5 | 15.9±2.1 | 123.8±18.4 |
| Haloperidol | 18 | 27.2±6.1 | 8:10 | 23.1±2.2 | 15.8±2.2 | 115.4±13.8 |
| Reserpine | 18 | 27.7±7.6 | 8:10 | 25.7±4.3 | 15.7±3.6 | 117.9±15.3 |
| Placebo | 18 | 24.6±3.9 | 11:7 | 23.2±2.5 | 16.8±2.6 | 114.3±14.7 |
| All | 72 | 26.3±6.2 | 38:34 | 24.1±3.6 | 16.0±2.7 | 117.9±15.8 |
Note: For intelligence estimation, the German language multiple-choice test of verbal crystallized premorbid intelligence (Lehrl et al, 1995112) was used.
Abbreviation: BMI, body-mass index.