Table 2

Results from bivariate and multivariable regression models regarding the associations between reproductive history and outcomes.


n (%)
Crude OR (95%-CI)
AOR* (95%-CI)

Perinatal mortality



Nulliparous
57 (0.7)
1.0
1.0
Previous birth
12 (1.5)
2.08 [1.11, 3.89]
2.35 [1.14, 4.86]
History of abortion
4 (1.9)
2.64 [0.95, 7.35]
1.83 [0.43, 7.68]
Neonatal mortality



Nulliparous
16 (0.2)
1.0
1.0
Previous birth
7 (0.9)
4.31 [1.77, 10.5]
4.70 [1.60, 13.8]
History of abortion
1 (0.5)
2.33 [0.31, 17.7]
4.64 [0.58, 37.5]
Stillbirth



Nulliparous
36 (0.5)
1.0
1.0
Previous birth
5 (0.6)
1.15 [0.41, 3.26]
1.09 [0.32, 3.71]
History of abortion
3 (1.5)
3.31 [1.01, 10.9]
1.23 [0.17, 9.15]
Very low birthweight



Nulliparous
110 (1.4)
1.0
1.0
Previous birth
8 (1.0)
0.62 [0.27, 1.43]
0.53 [0.21, 1.34]
History of abortion
6 (2.8)
2.02 [0.81, 5.02]
2.74 [1.06, 7.09]
Preterm birth



Nulliparous
275 (3.5)
1.0
1.0
Previous birth
32 (4.0)
1.13 [0.66, 1.88]
1.08 [0.58, 2.02]
History of abortion
17 (7.7)
2.21 [1.07, 4.58]
1.90 [0.77, 4.69]

Acknowledgment: Crude OR = crude odds ratios, AOR = adjusted odds ratios, 95%-CI = 95% confidence intervals.

*Adjusted for nationality, partner status, smoking, inadequate prenatal care and BMI.

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