TABLE 1.

Demographics of Baseline and Postintervention Cohorts

BaselinePostinterventionP Value
Aggregate data
n9595
 Number eligible for study8595
 Males40 (47%)46 (48%).86
 Average age (mo)28.428.3.96
 Parent education (grade)9.29.7.37
 Parent time in United States (y)5.46.3.28
 Day care participants27 (32%)37 (39%).32
 Mother as respondent74 (87%)81 (85%).93
 English as parent’s primary language35 (41%)40 (42%).35
Child’s primary language
 English31 (37%)43 (45%).23
 Somali26 (31%)26 (27%)
 Spanish10 (12%)7 (7%)
 Vietnamese3 (4%)10 (11%)
 Tigrinyan4 (5%)0 (0%)
 Oromo3 (4%)2 (2%)
 Cambodian1 (1%)2 (2%)
 Other7 (6%)5 (6%)
English-speaking families
n3040
 Males14 (47%)20 (50%).78
 Average age (mo)27.928.9.83
 Parent education (grade)12.211.4.05
 Parent time in United States (y)(English speakers assumed to live in United States since birth)
 Day care participants11 (37%)22 (55%).13
non-English-speaking families
n5555
 Males26 (47%)26 (47%)1.00
 Average age (mo)28.727.9.81
 Parent education (grade)7.78.6.31
 Parent time in United States (y)5.16.2.17
 Day care participants16 (29%)15 (27%).83