Table 1: Participant demographics of RCT eligible families ().

ART intervention group
()
REIM control group
()
Eligible/Declined group
()

Chronological age in months
 Range at Time 113–1713–1717
 Mean (SD)15.22 (1.2)15.6 (1.3)17.7 (0.19)
Gender (boys) 9/115/52/2
Ethnicity (white) 9/114/51/2
Mother’s education
 High school/vocational1/11
 College9/115/51/2
 Missing1/111/2
MSEL early learning composite mean (SD)86.6 (18.7)85.8 (14.1) 81.0 (2.8)
MSEL expressive language age mean (SD)11.9 (3.7)10.8 (2.4)13.5 (2.1)
MSEL receptive language age mean (SD)13.0 (5.0)12.8 (4.2)14.5 (0.7)
MSEL visual reception age mean (SD)14.9 (3.3)16.2 (1.9)17.5 (0.7)

Note: MSEL: Mullen Scales of Early Learning.