TABLE 1

Visit 1 Study Population Characteristics

CharacteristicLow ConcernHigh ConcernNo DQ/Screen (n = 250)Total (N = 5129)
DQ >70 (n = 2682)Pass Screen (n = 1424)DQ ≤70 (n = 588)Fail Screen (n = 185)
Child characteristics
 Male gender56 (1500)54 (765)58 (339)52 (97)56 (140)55 (2841)
Birth weight, g
 <1000 20 (539)22 (306)27 (160)25 (47)25 (62)22 (1114)
 1000–1499 34 (904)36 (513)22 (131)21 (38)34 (84)33 (1670)
 1500–2499 26 (691)24 (337)18 (104)27 (49)20 (49)24 (1230)
  ≥2500 20 (548)19 (268)33 (193)28 (51)22 (55)22 (1115)
 Adjusted age of test/screen, mo6.3 ± 2.06.4 ± 2.36.3 ± 2.17.0 ± 2.65.1 ± 3.06.3 ± 2.2
 Chronological age of test/screen, mo8.3 ± 2.28.5 ± 2.48.2 ± 2.38.9 ± 2.77.2 ± 2.98.3 ± 2.4
Neonatal medical characteristics
 Oxygen >28 d and CLD10 (269)13 (178)18 (105)23 (43)25 (63)13 (658)
 Persistently unstable13 (352)10 (140)18 (108)15 (28)17 (43)13 (671)
 Seizures4 (95)4 (53)11 (63)11 (21)7 (18)5 (250)
 Intracranial hemorrhage7 (185)7 (98)12 (73)13 (24)14 (34)8 (414)
 Other neurologic abnormality22 (585)18 (251)30 (177)31 (57)28 (71)22 (1141)
Maternal/family characteristics
 Maternal non-white minority status37 (697)41 (414)38 (169)39 (48)34 (63)38 (1391)
 Non–English-speaking mother26 (641)31 (381)38 (202)40 (63)35 (78)30 (1365)
 <High school degree maternal education20 (353)23 (166)29 (103)35 (29)36 (49)23 (700)
 Public health insurance48 (1278)55 (779)58 (342)57 (106)66 (166)52 (2671)
  • Data are presented as % (number) or mean ± SD.