Table 1.
Extremely Low Gestational Age Newborns (ELGAN) Age 15 Assessment: Maternal and Perinatal Characteristics of Those in the Mini-International Neuropsychiatric Interview for Children and Adolescents (MINI-KID) Sample and not in the MINI-KID Sample
| In Sample | Not in Sample | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| n (%) 670 | n (%) 528 | X 2 | |||||||
| Maternal characteristics at birth | Column Percent | ||||||||
| Age, years | <21 | 81 (12) | 89 (17) | X2(2)=11.05** | |||||
| 21–35 | 444 (66) | 358 (68) | |||||||
| >35 | 145 (22) | 81 (15) | |||||||
| Education, years | ≤ 12 (high school) | 241 (37) | 265 (53) | X2(2)=39.70*** | |||||
| < 12–16> | 151 (23) | 119(24) | |||||||
| ≥ 16 (≥ college) | 259 (40) | 117 (23) | |||||||
| Single marital status | Yes | 235 (35) | 278 (53) | X2(1)=37.26*** | |||||
| Public insurance | Yes | 217 (33) | 247(48) | X2(1)=27.63*** | |||||
| Supplemental different social support- public nutritional assistance | Yes | 72 (11) | 94 (18) | X2(1)=13.09*** | |||||
| Racial identity | White | 445 (67) | 269 (52) | X2(2)=26.57*** | |||||
| Black | 157 (24) | 165 (32) | |||||||
| Other | 66 (10) | 85 (16) | |||||||
| Hispanic | Yes | 62 (9) | 85 (16) | X2(1)=12.92*** | |||||
| Newborn characteristics at time of birth | |||||||||
| Sex | Male | 344 (51) | 277 (52) | X2(1)=0.15 n.s. | |||||
| Gestational age, weeks | 23–24 | 141 (21) | 104 (20) | X2(2)=0.40 n.s. | |||||
| 25–26 | 309 (46) | 244 (46) | |||||||
| 27 | 220 (33) | 180 (34) | |||||||
| Birth weight, grams | ≤ 750 | 248 (37) | 188 (36) | X2(2)=0.35 n.s. | |||||
| 751–1000 | 290 (43) | 230 (44) | |||||||
| > 1000 | 132 (20) | 110 (21) | |||||||
| Birth weight Z-score | < −2 | 42 (6) | 20 (4) | X2 (2) = 3.7 n.s. | |||||
| < −1 | 85 (13) | 68 (13) | |||||||
| ≥ −1 | 543 (81) | 440 (83) | |||||||
| Postnatal characteristics | |||||||||
| Echolucent lesion on cranial ultrasound studies | Yes | 44 (7) | 36 (7) | X2(1)=0.04 n.s. | |||||
| No | 626 (93) | 490 (93) | |||||||
| Ventriculomegaly on cranial ultrasound studies | Yes | 68 (10) | 47 (9) | X2(1)=0.50 n.s. | |||||
| No | 602 (90) | 479 (91) | |||||||
| Necrotizing enterocolitis (Bell stage 3b) | Yes | 76 (11) | 59 (11) | X2(1)=0.01 n.s. | |||||
| No | 594 (89) | 469 (89) | |||||||
| Retinopathy of prematurity (prethreshold) | Yes | 92 (14) | 64 (12) | X2(1)=0.61 n.s. | |||||
| No | 568 (86) | 453 (88) | |||||||
| Bronchopulmonary dysplasia (oxygen at 36 wks) | Yes | 355 (53) | 243 (47) | X2(1)=5.34* | |||||
| No | 311 (47) | 279(53) | |||||||
Note:
*
p < .05
**
p < .01
***
p < .001; n.s.p ≥ .05.