Table 1.
Participant characteristics of the ELGAN2 subset and ELGAN2 cohort
| Variable name | ELGAN2 subset (N = 528) | ELGAN2 (N = 889) |
|---|---|---|
| n (% or SD) | n (% or SD) | |
| Infant sex | ||
| Male | 274 (51.9%) | 455 (51.2%) |
| Female | 254 (48.1%) | 434 (48.8%) |
| Cognitive impairment | ||
| No/Low | 390 (73.9%) | 660 (74.2%) |
| Moderate/Severe | 138 (26.1%) | 214 (24.1%) |
| Not reported | 0 | 15 (1.7%) |
| Gestational age | 26.1 (1.27) | 26.1 (1.28) |
| Maternal education | ||
| ≤ 12 years | 205 (38.8%) | 355 (39.9%) |
| 13–15 years | 119 (22.5%) | 202 (22.7%) |
| 16+ years | 204 (38.6%) | 306 (34.4%) |
| Not reported | 0 | 26 (2.9%) |
| Maternal smoking | ||
| Yes | 128 (24.2%) | 215 (24.2%) |
| No | 400 (75.8%) | 655 (73.7%) |
| Not reported | 0 | 19 (2.1%) |
| Race | ||
| White | 342 (64.8%) | 554 (62.3%) |
| Black | 133 (25.2%) | 227 (25.5%) |
| Other | 53 (10.0%) | 98 (11.0%) |
| Not reported | 0 | 10 (1.1%) |
| Public insurance | ||
| Yes | 167 (31.6%) | 307 (34.5%) |
| No | 361 (68.4%) | 568 (63.9%) |
| Not reported | 0 | 14 (1.6%) |
| Multiple births | ||
| Yes | 189 (35.8%) | 313 (35.2%) |
| No | 339 (64.2%) | 576 (64.8%) |