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Table 5 Unadjusted and adjusted odds ratios for maternal and neonatal stratified by vitamin D status

From: Relationship between maternal vitamin D status in the first trimester of pregnancy and maternal and neonatal outcomes: a retrospective single center study

  Unadjusted OR (95% CI) and P Value Adjusted ORa (95% CI) And P Value
Maternal outcomes ≥75 50–74.9 < 50 ≥75 50–74.9 < 50
Preterm birth 1.00
-
1.092(.769–1.551)
.623
1.086(.771–1.529)
.637
1.00
-
1.080(.760–1.535)
.667
1.078(.765–1.520)
.667
Gestational diabetes 1.00
-
1.192(.926–1.535)
.173
1.057(.826–1.354)
.658
1.00
-
1.145(.886–1.478)
.300
1.014(.789–1.303)
.915
Preeclampsia 1.00
-
1.525(.824–2.822)
.179
1.851(1.013–3.383)
.045
1.00
-
1.387(.748–2.571)
.299
1.609(.879–2.948)
.123
Intrauterine inflammation 1.00
-
1.184(.618–2.270)
.611
1.518(.806–2.861)
.196
1.00
-
1.187(.618–2.278)
.607
1.545(.817–2.920)
.181
Cesarean section 1.00
-
1.059(.906–1.237)
.437
1.033(.888–1.203)
.672
1.00
-
1.049(.895–1.230)
.556
1.040(.890–1.214)
.622
Intrahepatic cholestasis 1.00
-
.485(.225–1.044)
.064
.614(.298–1.264)
.186
1.00
-
.501(.232–1.079)
.078
.633(.306–1.308)
.217
Neonatal outcomes       
Low birth weight 1.00
-
1.035(.594–1.803)
.903
1.219(.711–2.090)
.471
1.00
-
1.055(.606–1.839)
.849
1.263(.736–2.169)
.397
Small for gestational age 1.00
-
.923(.538–1.582)
.770
.980(.581–1.654)
.941
1.00
-
.991(.822–1.196)
.927
.999(.832–1.199)
.989
Large for gestational age 1.00
-
1.045(.869–1.257)
.638
1.066(.891–1.276)
.485
1.00
-
.978(.569–1.678)
.935
1.060(.626–1.793)
.829
Admission to neonatal intensive care unit 1.00
-
1.187(.913–1.543)
.201
1.350(1.045–1.744)
.022
1.00
-
1.160(.892–1.509)
.269
1.305(1.010–1.687)
.042
Any respiratory disorders 1.00
-
.838(.496–1.416)
.509
.950(.572–1.578)
.842
1.00
-
.824(.487–1.394)
.470
.937(.563–1.559)
.803
Hyperbilirubinemia 1.00
-
1.518(1.042–2.189)
.031
1.510(1.042–2.189)
.030
1.00
-
1.451(.993–2.118)
.054
1.397(.963–2.027)
.079
Necrotizing enterocolitis 1.00
-
.666(.232–1.915)
.451
.902(.329–2.469)
.840
1.00
-
.684(.238–1.969)
.482
.947(.345–2.603)
.916
Sepsis 1.00
-
.718(.163–3.167)
.662
.662(.158–2.779)
.662
1.00
-
.668(.151–2.951)
.594
.597(.141–2.523)
.483
  1. aAdjusted for maternal age (category variable), pre-pregnancy BMI (category variable), fetus sex, collection season of blood sample, No. of previous pregnancies. Using vitamin D sufficiency (> 75 nmol/L) as a reference