Table 2.
Summary Statistics: National Longitudinal Study of Adolescent Health By pregnancy outcome
| (Weighted) | Live Births | Abortions | Miscarriages | |||
|---|---|---|---|---|---|---|
|
| ||||||
| Variable | Mean | SD | Mean | SD | Mean | SD |
| Outcomes | ||||||
| Extraversion | −0.002 | 1.048 | 0.343 | 0.819 | −0.050 | 0.925 |
| Neuroticism | 0.373 | 0.938 | 0.230 | 1.053 | 0.427 | 0.959 |
| Agreeableness | 0.090 | 0.924 | 0.448 | 0.769 | 0.081 | 1.057 |
| Conscientiousness | 0.086 | 0.920 | −0.047 | 0.977 | 0.064 | 1.018 |
| Openness | −0.354 | 0.887 | −0.002 | 0.946 | −0.318 | 1.107 |
| Impulsivity (factor) | 0.099 | 0.615 | 0.092 | 0.614 | −0.117 | 0.800 |
| Go with my Gut Feeling | 3.484 | 1.016 | 3.469 | 0.936 | 3.176 | 1.108 |
| Like to take Risks | 3.186 | 0.965 | 3.099 | 0.953 | 3.046 | 0.993 |
| Live Life without Future Thought | 4.028 | 0.680 | 4.091 | 0.670 | 3.846 | 0.868 |
| Locus of Control (factor) | −0.143 | 0.788 | 0.090 | 0.854 | −0.193 | 0.895 |
| Little Control to Change Important Things | 3.929 | 0.768 | 4.049 | 0.708 | 3.791 | 0.867 |
| Other People Determine what I can Do | 4.064 | 0.783 | 4.191 | 0.812 | 4.133 | 0.724 |
| Many Things Interfere with what I Want to Do | 3.159 | 1.029 | 3.392 | 0.975 | 3.150 | 1.023 |
| I Have Little Control Over Things that Happen to me | 3.776 | 0.826 | 3.954 | 0.780 | 3.826 | 0.821 |
| There is Really no Way I can Solve my Problems | 4.035 | 0.574 | 4.186 | 0.638 | 3.923 | 0.698 |
| Optimism (factor) | 0.080 | 0.577 | 0.097 | 0.567 | 0.163 | 0.624 |
| Optimistic About the Future | 14.386 | 2.382 | 14.911 | 2.334 | 13.857 | 2.549 |
| Overall I Expect more Good Things than Bad | 2.132 | 0.805 | 2.096 | 0.796 | 2.238 | 0.866 |
| Pessimism | 3.446 | 0.938 | 3.739 | 0.856 | 3.323 | 1.104 |
| Depression Diagnosis | 0.340 | 0.474 | 0.244 | 0.429 | 0.464 | 0.499 |
| Depression Scale | 3.555 | 2.845 | 2.873 | 2.670 | 3.936 | 2.821 |
| Individual Characteristics | ||||||
| Age | 28.549 | 1.674 | 28.379 | 1.697 | 28.230 | 1.508 |
| White | 0.515 | 0.500 | 0.601 | 0.490 | 0.682 | 0.466 |
| Black | 0.301 | 0.459 | 0.228 | 0.419 | 0.160 | 0.367 |
| Hispanic | 0.166 | 0.372 | 0.106 | 0.307 | 0.150 | 0.357 |
| PPVT Test Score | 95.268 | 12.500 | 101.099 | 12.255 | 96.482 | 13.277 |
| General Health | 2.356 | 0.978 | 2.415 | 0.946 | 2.313 | 0.903 |
| Family Characteristics | ||||||
| Mother’s Education | 12.392 | 1.666 | 13.126 | 2.125 | 12.797 | 1.943 |
| Family Income (In thousands of dollars) | 35.179 | 23.402 | 43.597 | 27.099 | 37.356 | 29.086 |
| Parent Married (=1) | 0.595 | 0.449 | 0.641 | 0.460 | 0.681 | 0.424 |
| Mother Work | 0.672 | 0.416 | 0.792 | 0.378 | 0.604 | 0.449 |
| Age of Parent | 40.246 | 7.196 | 40.362 | 5.074 | 40.359 | 7.381 |
| Pregnancy Variables | ||||||
| Conception Before age 15 | 0.053 | 0.224 | 0.126 | 0.332 | 0.068 | 0.253 |
| Smoke During Pregnancy | 0.206 | 0.405 | 0.330 | 0.470 | 0.382 | 0.486 |
Sample of Females who were pregnant by age 18. Statistics weighted using wave IV weights.
Miscarriages includes still births