Table 1 Descriptive and demographic data for study sample
From: A quantitative measure of restricted and repetitive behaviors for early childhood
| Variable | Number | Percent | Mean | (SD) |
|---|---|---|---|---|
| Age in months | 914 | 19.7 | (2.4) | |
| Gestational age (days) | 783a | 275.2 | (14.2) | |
| Birth weight (grams) | 895a | 3493 | (540) | |
| Sex | ||||
| Females | 442 | 48 | ||
| Males | 472 | 52 | ||
| Race/ethnicity | ||||
| White | 814 | 89 | ||
| Non-white or mixed | 100 | 11 | ||
| Parent’s education | ||||
| Some college or less | 113 | 12 | ||
| College degree | 429 | 47 | ||
| Graduate degree | 372 | 41 | ||