Independent variable Univariate p value Multivariate p value
Odd ratio (95% CI) Adjusted Odd ratio (95% CI)
Maternal age
0.976 (0.931 - 1.023)
0.306
Log10 maternal weight
0.584 (0.019 - 18.130)
0.759
Log10 maternal height
0.019 (0.000 - 51348.946)
0.598
Log10 maternal body mass index
0.934 (0.026 - 33.482)
0.970
Smoking
3.737 (0.983 - 14.202)
0.053
3.313 (0.858-12.783)
0.082
Nulliparity
1.442 (0.888-2.341)
0.139
Near postdate
1.771 (1.029-3.051)
0.039
1.678 (0.968-2.909)
0.065
Diabetes
0.396 0.116 - 1.358
0.141
Hypertension
0.571 0.123 - 2.654
0.475
Large or small for gestational age
0.727 0.322 – 1.638
0.441
Decrease FM / Suboptimal CTG
0.733 0.309 - 1.740
0.482
Estimated foetal weight z-score
0.900 0.765 - 1.058
0.201
Umbilical artery PI z-score
1.047 0.802- 1.367
0.734
Middle cerebral artery PI z-score
0.943 0.759 - 1.171
0.593
Cerebroplacental ratio z-score
1.023 0.809 - 1.294
0.849
Mean uterine artery PI z-score
1.026 0.873 - 1.206
0.755
Log10 short term variability
0.438 0.075 - 2.562
0.359
Dawes-Redman criteria not met
1.000 0.452 - 2.215
0.999