Characteristics of participants according to 25OHD status (n = 940)^a.

<p>^a Total sample size is not always n = 940 due to the missing values. Data are presented as mean (standard deviation) or number (percentage). 25OHD inadequacy = 25OHD ≤75nmol/l; 25OHD adequacy = 25OHD>75nmol/l.</p><p>^b p values are determined by independent t-test or Pearson chi-square test.</p><p>^c Included both emergency and elective caesarean sections.</p><p>25OHD = 25-hydroxyvitamin D; FG = fasting glucose; 2HPPG = 2-hour postprandial glucose; GDM = gestational diabetes mellitus</p><p>Characteristics of participants according to 25OHD status (n = 940)<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0142239#t001fn001" target="_blank">^a</a>.</p

Associations between 25OHD status and pregnancy outcomes.

<p>Adjusted for maternal age, parity, ethnicity, education, body mass index, smoking exposure, physical activity, pre-existing diabetes and/ or hypertension, neonatal sex. 25OHD inadequacy = 25OHD ≤75nmol/l; 25OHD adequacy = 25OHD>75nmol/l. The values in bold indicate p<0.05.</p><p>^a Data are presented as Odds Ratio (95% Confidence Interval), unless otherwise indicated.</p><p>^b Data are presented as β regression coefficient (95% Confidence Interval)</p><p>^c Included both emergency and elective caesarean sections.</p><p>25OHD = 25-hydroxyvitamin D; FG = fasting glucose; 2HPPG = 2-hour postprandial glucose; GDM = gestational diabetes mellitus</p><p>Associations between 25OHD status and pregnancy outcomes.</p