Univariable model | Final model | |||||
RR or β (95% CI) | p Value | n | RR or β (95% CI) | p Value | n | |
Atopy age 1 year | 0.94 (0.88 to 1.01) | 0.08 | 773 | 0.96 (0.90 to 1.03) | 0.24 | 685 |
Atopy age 3 years | 0.99 (0.94 to 1.05) | 0.81 | 676 | 0.99 (0.94 to 1.04) | 0.58 | 661 |
Atopy age 6 years | 0.97 (0.93 to 1.02) | 0.26 | 635 | 0.99 (0.95 to 1.04) | 0.71 | 545 |
Exhaled nitric oxide | −0.014 (−0.044 to 0.016) | 0.36 | 451 | −0.0204 (−0.050 to 0.009) | 0.18 | 434 |
Data presented as change in RR per 10 nmol/litre change in maternal serum 25-hydroxyvitamin D status at 34 weeks' pregnancy.
Adjusted models: atopy age 1 year—child's gender, parents' social class, maternal atopy; atopy age 3 years—child's gender, exposure to smoke in infancy, maternal eczema; atopy age 6 years—child's age at testing, child's gender, parents’ social class, maternal asthma, paternal rhinitis, maternal atopy; exhaled nitric oxide—child's age at testing, maternal asthma, paternal rhinitis, maternal height.