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TABLE 1

Consolidated Standards of Reporting Trials Information for Youth Enrolled in the Trial Through 18-Year Follow-up

Treatment Group AssignmentT1aT2bT3cT4dTotal (T2 + T4)
No. allocated to each treatment 166 514e 230 228 742 
Miscarriages 19 27 
Stillbirths 
Child death before age 18 — 10 — 12 
Mother declined participation after randomly assigned — 14 — 11 25 
Child declined participation before age 18 — — 
Available for 18-y follow-upf — 465 — 205 670 
 Completed age-18 youth assessmentg — 435 — 194 629 
 Completed maternal and/or other-custodian interview for youth arrestsh — 429 — 192 621 
 Completed maternal or other-custodian interview for CBCL externalizing and total behavior problemsi — 428 — 187 615 
 Completed maternal or other-custodian interview for SSI (disability) — 429 — 190 619 
 Collected youth urinej — 419 — 187 606 
 Completed review of high school graduation records — 431 — 188 619 
Treatment Group AssignmentT1aT2bT3cT4dTotal (T2 + T4)
No. allocated to each treatment 166 514e 230 228 742 
Miscarriages 19 27 
Stillbirths 
Child death before age 18 — 10 — 12 
Mother declined participation after randomly assigned — 14 — 11 25 
Child declined participation before age 18 — — 
Available for 18-y follow-upf — 465 — 205 670 
 Completed age-18 youth assessmentg — 435 — 194 629 
 Completed maternal and/or other-custodian interview for youth arrestsh — 429 — 192 621 
 Completed maternal or other-custodian interview for CBCL externalizing and total behavior problemsi — 428 — 187 615 
 Completed maternal or other-custodian interview for SSI (disability) — 429 — 190 619 
 Collected youth urinej — 419 — 187 606 
 Completed review of high school graduation records — 431 — 188 619 

There were 1290 subjects eligible to participate; 151 declined participation, and 1138 were randomly assigned. CBCL, Child Behavior Checklist; —, not applicable.

a

Treatment 1: prenatal transportation.

b

Treatment 2: prenatal transportation plus developmental screening and referral.

c

Treatment 3: prenatal transportation plus developmental screening and referral and prenatal nurse home visits.

d

Treatment 4: prenatal transportation plus developmental screening and referral and prenatal and infant and/or toddler nurse home visits.

e

Note that 1 mother was enrolled and randomly assigned twice by mistake after a miscarriage. We included her only once, with her original assignment, in the control group.

f

Some outcomes reported in Tables 4 and 5 show higher numbers than indicated in this table because they include repeated estimates of outcomes from earlier phases of follow-up, as indicated by “all” under “age at assessment” in those tables.

g

Some youth were unable or unwilling to complete the standardized psychological or achievement assessments or to provide urine to screen for STIs or substances, reducing the numbers shown in Tables 4 and 5.

h

Youth arrests were derived from a detailed examination of self-report, maternal, and other-caregiver report, synthesizing data from all 3 data sources (when available); this shows the number of cases for which data were gathered from maternal and/or other-caregiver report. Estimates of arrest-related outcomes were made even if maternal and other-caregiver reports were unavailable.

i

Youth CBCL externalizing and total behavioral problems (borderline or clinical) were derived from a combination of youth self-report and either maternal or other-caregiver report. Maternal report was given priority over other-caregiver report.

j

Some youth were unable or refused to provide urine for substance-use or STI screening. One sample was unusable for STI screening.

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