Table 1 Maternal characteristics among teenagers with different reproductive histories (chi-square tests and t-tests).
Nulliparous | Previous birth | History of abortion | P-value | |
|---|---|---|---|---|
Nationality | <0.001 | |||
Migrant n (%) | 2730 (34.8) | 535 (66.8) | 29 (13.7) | |
German n (%) | 5115 (65.2) | 266 (33.2) | 182 (86.3) | |
Partner status | <0.001 | |||
Single parent n (%) | 2562 (34.0) | 112 (14.2) | 81 (40.1) | |
Cohabiting n (%) | 4980 (66.0) | 678 (85.8) | 121 (59.9) | |
Smoking | <0.001 | |||
Yes n (%) | 2275 (30.2) | 187 (24.1) | 93 (46.0) | |
No n (%) | 5256 (69.8) | 589 (75.9) | 109 (54.0) | |
Prenatal care | <0.001 | |||
Inadequate n (%) | 2541 (32.4) | 341 (42.6) | 62 (29.4) | |
Adequate n (%) | 5304 (67.6) | 460 (57.4) | 149 (70.6) | |
BMI Mean (SD) | 22.8 (3.6) | 23.5 (4.0) | 23.0 (3.6) | <0.001 |