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

Reime et al. BMC Pregnancy and Childbirth 2008 8:4   doi:10.1186/1471-2393-8-4