Manuscript Details

Barnet, B., Rapp, T., DeVoe, M., & Mullins, C. D. (2010). Cost-effectiveness of a motivational intervention to reduce rapid repeated childbearing in high-risk adolescent mothers: A rebirth of economic and policy considerations. Archives of Pediatrics and Adolescent Medicine, 164(4), 370-376.

Additional Sources:

  • Barnet, B., Liu, J., DeVoe, M., Duggan, A. K., Gold, M. A., & Pecukonis, E. (2009). Motivational intervention to reduce rapid subsequent births to adolescent mothers: A community-based randomized trial. Annals of Family Medicine, 7(5), 436-445. doi:10.1370/afm.1014

Model(s): Computer-Assisted Motivational Intervention plus enhanced home visiting (CAMI+), Computer-Assisted Motivational Intervention (CAMI)
High rating
Study reviewed under: Handbook of Procedures and Standards, Version 1
Study design characteristics contributing to rating
Design Attrition Baseline equivalence Confounding factors? Valid, reliable measures?
Randomized controlled trial Low

Not applicable

None

 Not assessed in manuscripts reviewed under Handbook of Procedures and Standards, Version 1
Maternal Health
Outcome Measure Timing of Follow-Up Rating Direction of Effect Effect Size (Absolute Value) Stastical Significance Sample Size Sample Description
Repeat birth 24 months postpartum High
0.44 Statistically significant, p=0.01 148 mothers CAMI+ vs. control
Repeat birth 24 months postpartum High
0.29 Not statistically significant, p=0.08 148 mothers CAMI vs. control
Effect rating key
Favorable finding / Statistically significant
Unfavorable finding / Statistically significant
Ambiguous finding / Statistically significant
No effect / Not statistically significant

Note: Tables do not include findings that HomVEE rated low or indeterminate, or found to be ineligible for review.

This study included participants with the following characteristics at enrollment:

Race/Ethnicity

The race and ethnicity categories may sum to more than 100 percent if Hispanic ethnicity was reported separately or respondents could select two or more race or ethnicity categories.

Black or African American
97%
Unknown
3%

Maternal Education

Less than a high school diploma
42%
Unknown
58%

Other Characteristics

Enrollment in means-tested programs
86%

This study included participants from the following locations:

  • Maryland
Study Participants

Pregnant teenagers were recruited from urban medical clinics that provided prenatal care to women without insurance or who were insured by Medicaid. The teens were assigned randomly to one of two intervention groups (CAMI and CAMI+) or a control group. Initially 235 pregnant teenagers were randomly assigned, 167 to the treatment groups (87 to CAMI and 80 to CAMI+) and 68 to the comparison group. Most were poor, African American, and unmarried. Mothers ranged in age from 12 to 18 years old at intake (24 weeks or more gestation). Ninety-seven percent of the mothers were African American. Participants were followed for 27 months.

Setting

The study was conducted in Baltimore, Maryland.

Intervention condition
Computer-Assisted Motivational Intervention plus enhanced home visiting (CAMI+)
Computer-Assisted Motivational Intervention (CAMI)

Note: Navigate to the model page for more information about the home visiting model. See the source manuscript for more information about how the model was implemented in this study.

Comparison Conditions

Comparison group members received usual care at their prenatal care sites.

Author Affiliation

Beth Barnet, a study author, is a developer of this model.

Funding Sources

Department of Health and Human Services, Office of Population Affairs, Office of Adolescent Pregnancy Programs, Grant APRPA006010.