Table 1.

Univariate analyses of determinants for maternal season-adjusted 25(OH)D levels during pregnancy.

	Week 24 Gestation β-Coefficient (nmol/L)	95% CI	p-Value	One Week Postpartum β-Coefficient (nmol/L)	5% CI	p-Value
Caucasian vs. non-Caucasian	11.71	[3.00; 20.4]	0.008	15.55	[−1.09; 32.2]	0.07
Maternal BMI, kg/m²	−0.74	[−1.17; −0.30]	0.001	−1.09	[−1.92; −0.26]	0.01
Gestational age, weeks	-	-	-	−1.40	[−3.60; 0.80]	0.21
Caesarian section vs. vaginal delivery	-	-	-	0.01	[−8.61; 8.63]	1.00
Maternal age at birth, years	0.41	[0.02; 0.80]	0.038	0.41	[−0.41; 1.22]	0.33
SNP rs4588	7.58	[4.81; 10.4]	<0.001	12.49	[6.76; 18.2]	<0.001
SNP rs7041	4.74	[2.26; 7.23]	<0.001	7.83	[2.90; 12.8]	0.002
Maternal asthma, yes vs. no	−2.93	[−6.96; 1.10]	0.15	−0.19	[−8.11; 7.73]	0.96
Maternal smoking in third trimester, yes vs. no	−1.06	[−10.6; 8.50]	0.83	−11.78	[−27.9; 4.32]	0.15
Social circumstances, PCA score	1.21	[−0.57; 2.98]	0.18	4.59	[0.89; 8.29]	0.015
Dietary vitamin D intake, μg/day	1.16	[0.47; 1.84]	0.001	0.88	[−0.60; 2.35]	0.24