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. Author manuscript; available in PMC: 2013 Jun 12.
Published in final edited form as: Thorax. 2012 Jun 15;67(11):950–956. doi: 10.1136/thoraxjnl-2012-201888

Table 5.

Relationship between maternal late-pregnancy maternal 25-hydroxyvitamin D status and offspring lung function at 6 years

Univariable Model Final Model
beta (95% CI) P-value n beta (95% CI) P-value n
FEV1 absolute −0.0007 (−0.0054,0.0039) 0.76 739 −0.0001 (−0.0046,0.0043) 0.95 731
FEV1 z-score 0.012 (−0.0078,0.033) 0.23 739 0.011 (−0.0091,0.031) 0.28 739
FVC absolute −0.001 (−0.0068,0.0045) 0.69 739 −0.0001 (−0.0054,0.0052) 0.96 730
FVC z-score 0.013 (−0.010,0.036) 0.27 739 0.012 (−0.011,0.035) 0.31 739
BHR slope −0.084 (−0.194, −0.025) 0.13 216 −0.102 (−0.211, −0.008) 0.07 208

Data presented as change in relative risk per 10 nmol/l change in maternal serum 25-hydroxyvitamin D status at 34 weeks’ pregnancy.

Adjusted models: FEV1 absolute - child’s age at testing, child’s gender, parity, maternal BMI, maternal height; FEV1 z-score - child’s gender; FVC absolute - child’s age at testing, child’s gender, age at introduction of solid foods, maternal BMI, maternal height, FVC z-score - child’s gender; BHR - maternal age, smoking in pregnancy, paternal eczema, age at introduction of solid foods.