Table 2.
Baseline Characteristics of Adolescent Mothers With and Without a Repeat Birth
| Characteristic | Overall n=235 | Repeat Birth n=43 | No Repeat Birth n=192 | PValue |
| Demographic and education variables | ||||
| Maternal age,a mean (SD), y | 17.0±1.2 | 17.1±1.0 | 17.0±1.3 | 0.59 |
| African American, % | 97 | 98 | 97 | 1.00 |
| Medicaid insurance, % | 86 | 88 | 85 | 0.81 |
| Continuous health insurance in past 12 mo, % | 61 | 47 | 64 | 0.04 |
| Dropped out of school, % | 42 | 47 | 41 | 0.61 |
| Relationships and support | ||||
| Lives with her mother, % | 61 | 65 | 60 | 0.61 |
| Age of baby’s father,b mean (SD), y | 19.8±3.2 | 19.6±2.9 | 19.9±3.3 | 0.59 |
| Age difference between teen mother and baby’s father, mean (SD), y | 2.7 ± 3.0 | 2.4 ± 2.7 | 2.8 ± 3.1 | 0.44 |
| Married (n = 2), living together, going with baby’s father, % | 74 | 81 | 72 | 0.25 |
| Social support satisfaction score, mean (SD) | 15.6 (2.9) | 15.7 ± 2.9 | 15.6 ± 2.9 | 0.98 |
| Pregnancy history | ||||
| Age at first pregnancy, mean (SD), y | 14.3±1.4 | 16.0±1.3 | 15.9±1.4 | 0.85 |
| Prior pregnancy, % | 31 | 23 | 32 | 0.28 |
| Prior birth, % | 11 | 12 | 11 | 1.00 |
| Prior abortion, % | 14 | 2 | 16 | 0.01 |
| Prior miscarriage/stillbirth, % | 12 | 4 | 12 | 0.61 |
| Mental health and violence exposure | ||||
| Depressive symptoms (CES-D ≥24), % | 32 | 33 | 32 | 1.00 |
| Maternal substance use | ||||
| Tobacco use in past 30 days, % | 8 | 2 | 9 | 0.21 |
| Alcohol use in past 30 days, % | 3 | 0 | 4 | 0.36 |
| Marijuana use in past 30 days, % | 3 | 0 | 3 | 0.60 |
| Sexually transmitted infection history, contraceptive practices and plans, and decision making | ||||
| Ever diagnosed with a sexually transmitted infection, % | 37 | 332 | 38 | 0.60 |
| Any condom use in the past 12 months, % | 81 | 79 | 81 | 0.83 |
| Always uses a condom for STD protection, % | 22 | 28 | 20 | 0.31 |
| Plans to use condom at next intercourse, % | 76 | 65 | 78 | 0.08 |
| Plans to use hormonal contraceptionc after delivery, % | 6 | 56 | 65 | 0.29 |
| DMCI score,d mean (SD) | 86.2±11.0 | 87.6±11.5 | 85.8±10.9 | 0.34 |
| Wants another child within 2 years, % | 3 | 2 | 4 | 1.00 |
CES-D = Center for Epidemiologic Studies Depression Scale; DMCI = Decision-Making-Competency Inventory; STD = sexually transmitted disease.
a Range = 12 to 19 years.
b Range = 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)