Baseline Characteristics Overall and by Group
| Characteristic | Overall n=235 | CAMI+ n=80 | CAMI-Only n=87 | UCC n=68 | PValue |
|---|---|---|---|---|---|
| CAMI = computer-assisted motivational intervention; CAMI+ = CAMI plus multicomponent home-based intervention; DMCI = Decision-Making-Competency Inventory; STD=sexually transmitted disease; UCC=usual-care control. | |||||
| a Range from 12 to 19 years. | |||||
| b Range from 14 to 39 years. | |||||
| c Oral contraceptive pills, patch, ring, medroxyprogesterone depot. | |||||
| d Range from 55.0 to 113.0; higher scores are more favorable (greater competency, greater self-efficacy). | |||||
| Demographic and education variables | |||||
| Maternal age,a mean, (SD), y | 17.0±1.2 | 17.2±1.1 | 17.0±1.2 | 16.9±1.4 | .24 |
| African American, % | 97 | 99 | 95 | 99 | .39 |
| Medicaid insurance, % | 86 | 80 | 89 | 90 | .18 |
| Continuous health insurance, past 12 months, % | 61 | 53 | 66 | 63 | .25 |
| Dropped out of school, % | 42 | 39 | 43 | 46 | .69 |
| Relationships and support | |||||
| Lives with her mother, % | 61 | 63 | 63 | 57 | .73 |
| Age of baby’s father,b mean (SD), y | 19.8±3.2 | 20.4±3.4 | 19.3±2.6 | 19.7±3.6 | .11 |
| Age difference between teen mother and baby’s father, mean (SD), y | 2.7±3.0 | 3.2±3.2 | 2.3±2.4 | 2.8±3.4 | .21 |
| Married (n = 2), living together, going with baby’s father, % | 74 | 78 | 72 | 72 | .66 |
| Social support satisfaction score, mean (SD) | 15.6 (2.9) | 16.0 (2.4) | 15.0 (3.1) | 15.8 (3.0) | .07 |
| Pregnancy history | |||||
| Age at first pregnancy, mean, (SD), y | 14.3±1.4 | 14.4±1.4 | 14.2±1.5 | 14.3±1.5 | .60 |
| Prior pregnancy, % | 31 | 38 | 30 | 24 | .19 |
| Prior birth, % | 11 | 16 | 5 | 13 | .04 |
| Prior abortion, % | 14 | 14 | 18 | 7 | .14 |
| Prior miscarriage/stillbirth, % | 12 | 14 | 12 | 10 | .85 |
| Mental health and violence exposure | |||||
| Depressive symptoms (CES-D ≥24), % | 32 | 25 | 38 | 32 | .20 |
| Maternal substance use | |||||
| Tobacco use in past 30 days, % | 8 | 5 | 13 | 4 | .11 |
| Alcohol use in past 30 days, % | 3 | 0 | 7 | 3 | .04 |
| Marijuana use in past 30 days, % | 3 | 3 | 5 | 0 | .25 |
| Sexually transmitted infection history, contraceptive practices and plans, decision making | |||||
| Ever diagnosed with a sexually transmitted infection, % | 37 | 23 | 41 | 49 | .003 |
| Any condom use in the past 12 months, % | 81 | 83 | 78 | 82 | .76 |
| Always uses a condom for STD protection, % | 22 | 21 | 24 | 19 | .76 |
| Plans to use condom at next intercourse, % | 76 | 78 | 69 | 82 | .14 |
| Plans to use hormonal contraceptionc after delivery, % | 6 | 65 | 53 | 75 | .02 |
| DMCI score,d mean (SD) | 86.2±11.0 | 86.4±11.3 | 85.9±10.0 | 86.3±11.9 | .96 |
| Wants another child within 2 years, % | 3 | 5 | 4 | 2 | .54 |