Table 1.
Participant and collection site characteristics for cases included in the final sample (N = 7834).
| N (%) | ||
|---|---|---|
| Site | ||
| site02 | 480 (6.1) | |
| site03 | 502 (6.4) | |
| site04 | 599 (7.6) | |
| site05 | 284 (3.6) | |
| site06 | 442 (5.6) | |
| site07 | 249 (3.2) | |
| site08 | 222 (2.8) | |
| site09 | 328 (4.2) | |
| site10 | 505 (6.4) | |
| site11 | 325 (4.1) | |
| site12 | 433 (5.5) | |
| site13 | 509 (6.5) | |
| site14 | 467 (6.0) | |
| site15 | 281 (3.6) | |
| site16 | 928 (11.8) | |
| site18 | 254 (3.2) | |
| site20 | 541 (6.9) | |
| site21 | 454 (5.8) | |
| site22 | 31 (0.4) | |
| Child race | ||
| Black | 1084 (13.8) | |
| Hispanic | 1574 (20.1) | |
| Other (mixed, Asian, AIAN, NHPI) | 983 (12.5) | |
| White | 4193 (53.5) | |
| Child sex | ||
| Female | 3922 (50.1) | |
| Male | 3912 (49.9) | |
| M (SD) | ||
| Child age (mo) | 119.3 (7.52) | |
| Income-to-needs | 3.73 (2.41) | |
| Parent highest education (yrs) | 20.28 (2.48) | |