Table 1. Characteristics of the Autistic Population.
| Soy Formula | Non-Soy Formula | ||
| Population Size, % (N) | Male | 17.6 (297) | 82.4 (1391) |
| Female | 17 (44) | 83.1 (217) | |
| Ethnicity Males, % | African American | 5.1 | 3.4 |
| Asian | 2.4 | 4.2 | |
| Other a | 13.5 | 13.8 | |
| White | 79.1 | 78.6 | |
| Ethnicity Females, % | African American | 9 | 3.2 |
| Asian | 5 | 3.2 | |
| Other a | 9 | 11.1 | |
| White | 77 | 82.5 | |
| Age at Evaluation, Years (SD) | Male | 9.2 (3.8) | 8.9 (3.6) |
| Female | 8.3 (3.4) | 9.0 (3.7) | |
| Birth Weight, Pounds (SD) | Male | 7.1 (1.2) | 7.3 (1.2) |
| Female | 6.7 (1.1) | 7.0 (1.2) | |
| ABC Score, Mean (SD) | Male | 48.3 (25.4) | 46.2 (26.2) |
| Female | 49.0 (28.0) | 46.1 (24.9) | |
| ADI-R Score b , Mean (SD) | Male | 36.6 (8.9) | 35.9 (9.3) |
| Female | 36.5 (9.7) | 36.1 (10.0) | |
| ADOS Score c , Mean (SD) | Male | 28.2 (8.9) | 28.4 (9.0) |
| Female | 28.8 (8.5) | 29.3 (9.8) |
a
Other in the Ethnicity category includes other, not specified, more than one race, Native American, and Native Hawaiian.
b
ADI-R total score is the sum of the Reciprocal Social Interaction, Nonverbal and Repetitive Behavior/Stereotyped Patterns scores. The Verbal score was omitted in order to include both verbal and nonverbal participants.
c
ADOS total score is the sum of the Communication and Social Interaction, Restricted and Repetitive Behavior, and Social Affect scores.