Table 1.
Weighted Descriptive Statistics for Mothers Aged 15–32 in the National Longitudinal Study of Adolescent to Adult Health (Add Health)
| Characteristic | % | N |
|---|---|---|
| Total women | 8,300 | |
| Total live births | 8,334 | |
| Total mothers | 4,326 | |
| Average number of births | 1.93 | |
| Percentage with any unintended birth | 55.5% | 2,375 |
| Percentage with an unintended first birth | 46.5% | 2,010 |
| Percentage with an unintended second birth | 20.6% | 891 |
| Percentage with an unintended third birth | 8.5% | 368 |
| First and second birth intentions | ||
| Both births intended | 37.0% | 933 |
| 1st intended, 2nd unintended | 11.3% | 284 |
| 1st unintended, 2nd intended | 28.0% | 707 |
| Both births unintended | 23.7% | 599 |
| Age at 1st birth | ||
| Under 20 years | 26.6% | 1,151 |
| 20–24 years | 43.9% | 1,899 |
| 25–29 years | 26.0% | 1,125 |
| 30 years or older | 3.5% | 151 |
| Race | ||
| Non-Hispanic White | 64.7% | 2,801 |
| Black | 18.9% | 814 |
| Hispanic | 11.2% | 487 |
| Other | 5.2% | 224 |
| Mother’s Education | ||
| Missing/Less than high school | 30.0% | 1,283 |
| High school | 36.0% | 1,571 |
| Some college | 18.3% | 796 |
| College or more | 15.7% | 676 |
| Family type | ||
| Intact family | 46.9% | 2,041 |
| Step family | 18.8% | 827 |
| Other family | 34.2% | 1,458 |
| Respondent’s education | ||
| Missing | 16.4% | 709 |
| High school | 65.6% | 2,838 |
| Less than high school | 18.0% | 779 |
| Relationship Status at 1st Birth | ||
| Married | 44.0% | 1,903 |
| Cohabiting | 28.8% | 1,246 |
| Not in a coresidential relationship | 27.2% | 1,177 |