Table 1.
Pregnancy outcome among women whose first pregnancy occurred after Wave I at the Add Health Study, 1996–2007
| Women whose first pregnancy occurred after wave 1 and during adolescence (n = 1,107) | Women without any pregnancy at adolescence (n = 4,728) | p Value | |
|---|---|---|---|
| Pregnancy outcome | — | — | |
| Abortion | 221 (17.53) | ||
| Live birth | 733 (68.87) | ||
| Miscarriage/stillbirth | 153 (13.59) | ||
| Race | <.0001 | ||
| Non-Hispanic white | 522 (58.51) | 2797 (72.26) | |
| Non-Hispanic black | 347 (22.18) | 914 (12.34) | |
| Hispanic | 180 (14.37) | 696 (10.78) | |
| Other | 58 (4.94) | 321 (4.63) | |
| Baseline age | 15.33 (.13) | 15.81 (.12) | <.001 |
| Age at pregnancy | 17.84 (.06) | — | — |
| Year of the end of pregnancy | — | — | |
| 1995 | 75 (7.21) | ||
| 1996 | 182 (13.8) | ||
| 1997 | 251 (19.25) | ||
| 1998 | 235 (21.8) | ||
| 1999 | 154 (15.69) | ||
| 2000 | 123 (12.9) | ||
| 2001 | 67 (7.45) | ||
| 2002 | 20 (1.90) | ||
| Parental education | <.0001 | ||
| Less than HS | 211 (18.22) | 532 (10.45) | |
| HS diploma/GED | 400 (38.77) | 1,298 (29.67) | |
| Some postsecondary | 255 (23.53) | 1,037 (22.23) | |
| ≥College | 241 (19.48) | 1,861 (37.65) | |
| Parents’ educational expectation | 2.25 (.03) | 2.26 (.03) | .66 |
| Parental religion | <.0001 | ||
| None | 72 (7.73) | 298 (6.79) | |
| Other | 436 (40.17) | 1,992 (44.19) | |
| Baptist | 347 (30.08) | 1,059 (21.08) | |
| Catholic | 252 (22.02) | 1,379 (27.94) | |
| Parents’ age at first marriage | <.0001 | ||
| Never married | 96 (7.80) | 197 (3.48) | |
| Early marriage <19 | 383 (36.24) | 1,147 (25.67) | |
| Late marriage ≥19 | 628 (55.95) | 3,384 (70.85) | |
| Parental support (nonstandardized) | 41.91 (.33) | 43.3 (.17) | <.001 |
| Parental control (nonstandardized) | 2.00 (.08) | 1.87 (.06) | .12 |
HS = high school.