TABLE 1

Characteristics of the Children and Their Families

CharacteristicDarbe (N = 27)Epo (N = 29)Placebo (N = 24)
Birth wt (g)938.3 ± 176.5947.2 ± 212.7953.0 ± 210.0
 Median980.0930.01005.0
 Interquartile range801.2–1090.0778.2–1157.5809.5–1133.0
Gestation (wk)28.1 ± 1.827.8 ± 1.927.8 ± 1.6
 Median28.327.728.1
 Interquartile range26.5–29.526.2–29.127.1–28.8
Corrected age at follow-up (mo)20.5 ± 1.121.2 ± 2.020.6 ± 1.9
 Median20.021.020.0
 Interquartile range20.0–21.020.0–22.019.5–21.0
Female, N (%) * 17 (63)10 (34)9 (38)
Mother’s race, N (%)
 White20 (74)23 (79)18 (75)
 Hispanic10 (37)9 (31)10 (42)
 Native1 (4)3 (10)2 (8)
 Pacific Islander2 (7)0 (0)0 (0)
Maternal education, N (%)
 <7th grade0 (0)0 (0)1 (4)
 7th to 9th grade2 (8)1 (3)1 (4)
 10th to 12th grade5 (19)3 (10)5 (21)
 High school diploma8 (31)10 (34)8 (33)
 Some college or university6 (23)7 (24)4 (17)
 University/college degree4 (15)6 (21)5 (21)
 Graduate degree1 (4)2 (7)0 (0)
Income, N (%)
 <$50001 (4)2 (7)1 (4)
 $5000 to $99996 (23)2 (7)6 (25)
 $10 000 to $19 9995 (19)4 (14)4 (17)
 $20 000 to $29 9992 (8)7 (24)2 (8)
 $30 000 to $39 9991 (4)3 (10)5 (21)
 $40 000 to $49 9992 (8)4 (14)2 (8)
 ≥$50 0008 (31)5 (17)3 (12)
 Not stated1 (4)2 (7)1 (4)
Children age <18 y at home, N2.2 ± 0.82.2 ± 1.32.6 ± 1.5
 Median2.02.02.0
 Interquartile range2.0–3.01.0–3.01.0–4.0
Children age <6 y at home, N1.6 ± 0.71.6 ± 0.91.8 ± 1.0
 Median1.01.02.0
 Interquartile range1.0–2.01.0–2.01.0–2.0
Number of household moves, N1.0 ± 1.00.7 ± 0.81.0 ± 1.4
 Median1.01.00.5
 Interquartile range0.0–2.00.0–1.00.0–2.0
Visiting/home nurse, N (%)21 (78)21 (72)15 (62)
Occupational therapy, N (%)16 (59)21 (72)15 (62)
Physical therapy, N (%)16 (59)21 (72)15 (62)
Speech therapy, N (%)20 (74)16 (55)16 (67)
Early intervention, N (%)14 (52)14 (48)9 (38)
Social worker, N (%)22 (81)25 (86)22 (92)
Specialty medical clinic, N (%)16 (59)23 (79)19 (79)
Specialty babysitter, N (%)27 (100)29 (100)22 (92)
Family counseling, N (%)27 (100)27 (93)23 (96)
  • * P < .05