Table 2.
Demographics
| Overall 10-year follow up (n = 889) N (%) | Subcohort of 10-year olds with placenta microbiology (n = 807) N(%) | |
|---|---|---|
| Fetal sex | ||
| Male | 455 (51.2) | 414 (51.3) |
| Female | 434 (48.8) | 393 (48.7) |
| Gestational age (weeks) | ||
| 24–25 | 187 (21.0) | 173 (21.4) |
| 25–26 | 400 (45.0) | 356 (44.1) |
| 27 | 302 (34.0) | 278 (34.4) |
| Birth weight (Z-score) | ||
| <−2 | 53 (6.0) | 48 (5.9) |
| ≥−2, <−1 | 120 (13.5) | 107 (13.3) |
| ≥−1 | 716 (80.5) | 652 (80.8) |
| SES (insurance) | ||
| Public | 307 (34.5) | 271 (33.6) |
| Private | 568 (63.9) | 524 (64.9) |
| NS | 14 (1.6) | 12 (1.5) |
| Maternal education (years) | ||
| ≤ 12 (high school) | 126 (14.2) | 112 (13.9) |
| Some college or associates degree | 431 (48.5) | 387 (48.0) |
| College or Higher | 306 (34.4) | 284 (35.2) |
| NS | 26 (2.9) | 24 (3.0) |
| Antenatal corticosteroids | ||
| Yes | 788 (88.6) | 723 (89.6) |
| No | 100 (11.2) | 84 (10.4) |
| NS | 1 (0.1) | 0 (0) |
| Chorioamnionitis | ||
| Yes | 288 (32.4) | 263 (32.6) |
| No | 530 (59.6) | 487 (60.3) |
| NS | 71 (8.0) | 57 (7.1) |
| LPA | ||
| Yes | 874 (98.3) | 792 (98.1) |
| No | 15 (1.7) | 15 (1.9) |
| OWLS oral composite | ||
| Yes | 849 (95.5) | 771 (95.5) |
| No | 40 (4.5) | 36 (4.5) |
| WIAT-III word recognition | ||
| Yes | 864 (97.2) | 783 (97.0) |
| No | 25 (2.8) | 24 (3.0) |
| WIAT-III numerical operations | ||
| Yes | 874 (98.3) | 792 (98.1) |
| No | 15 (1.7) | 15 (1.9) |
| SRS | ||
| Yes | 866 (97.4) | 787 (97.5) |
| No | 23 (2.6) | 20 (2.5) |
| CCC-2 pragmatic language | ||
| Yes | 854 (96.1) | 775 (96.0) |
| No | 35 (3.9) | 32 (4.0) |
NS Not Specified