Table 1.
Sample Characteristics
| Original Sample | Replication Sample | |||
|---|---|---|---|---|
| No. of patients | 259 | 146 | ||
| Child male | 131 | 51% | 74 | 51% |
| Child Hispanic | 36 | 14% | 24 | 16% |
| Child race | ||||
| White | 169 | 65% | 90 | 62% |
| African American | 24 | 9% | 35 | 24% |
| Native American | 4 | 2% | 0 | 0% |
| Asian | 27 | 10% | 14 | 10% |
| Other/multiple races | 11 | 4% | 3 | 2% |
| Not indicated | 9 | 3% | 4 | 3% |
| Child age in months | ||||
| <6 | 81 | 31% | 48 | 33% |
| 7–12 | 95 | 37% | 59 | 40% |
| 13–18 | 83 | 32% | 39 | 27% |
| Premature birth (<37 wks) | 65 | 25% | 14 | 10% |
| Public health insurance | 50 | 19% | 32 | 22% |
| Mother completed forms | 228 | 88% | 116 | 79% |
| Parent education | ||||
| <High school | 18 | 7% | 12 | 8% |
| High school diploma | 57 | 22% | 32 | 22% |
| Some college | 40 | 15% | 16 | 11% |
| College diploma | 77 | 30% | 35 | 24% |
| Advanced degree | 61 | 24% | 46 | 32% |
| Family income | ||||
| <$20,000 | 55 | 21% | 34 | 23% |
| $20,000–49,999 | 33 | 13% | 19 | 13% |
| $50,000–99,999 | 71 | 27% | 34 | 23% |
| >$100,000 | 89 | 34% | 55 | 38% |
| Not indicated | 11 | 4% | 4 | 3% |
| Site | ||||
| Primary care | 205 | 79% | 146 | 100% |
| Developmental follow-up clinic | 54 | 21% | — | — |