Adjusted relative risk (RR) for associations between fetal and infant growth and atopy at age 3 years (N=1184)
Unadjusted analyses | Adjusted* analyses | |||||||
RR | (95% CI) | p Value | n | RR | (95% CI) | p Value | n | |
Birth size variables | ||||||||
Crown–heel length | 1.20 | 1.06 to 1.36 | 0.005 | 1149 | 1.17 | 1.01 to 1.34 | 0.032 | 1004 |
Weight | 1.10 | 0.97 to 1.25 | 0.137 | 1171 | 1.08 | 0.95 to 1.24 | 0.241 | 1023 |
Conditional fetal growth | ||||||||
11–19 weeks | ||||||||
Head circumference | 0.93 | 0.72 to 1.18 | 0.534 | 464 | 0.80 | 0.60 to 1.06 | 0.123 | 405 |
Abdominal circumference | 1.44 | 1.20 to 1.86 | 0.005 | 431 | 1.46 | 1.11 to 1.93 | 0.007 | 378 |
19–34 weeks | ||||||||
Head circumference | 0.96 | 0.81 to 1.13 | 0.608 | 682 | 0.98 | 0.82 to 1.17 | 0.817 | 601 |
Abdominal circumference | 0.80 | 0.69 to 0.94 | 0.006 | 707 | 0.80 | 0.68 to 0.95 | 0.011 | 625 |
Conditional infant growth | ||||||||
0–6 months | ||||||||
Length | 0.93 | 0.83 to 1.05 | 0.244 | 1131 | 0.89 | 0.78 to 1.02 | 0.104 | 991 |
Weight | 1.09 | 0.97 to 1.22 | 0.131 | 1157 | 1.06 | 0.92 to 1.21 | 0.416 | 1013 |
Subscapular skinfold | 1.09 | 0.97 to 1.23 | 0.157 | 1153 | 1.09 | 0.96 to 1.24 | 0.185 | 1011 |
6–12 months | ||||||||
Length | 1.08 | 0.93 to 1.26 | 0.326 | 1069 | 1.02 | 0.86 to 1.21 | 0.843 | 941 |
Weight | 1.00 | 0.83 to 1.19 | 0.961 | 1086 | 1.03 | 0.84 to 1.26 | 0.778 | 956 |
Subscapular skinfold | 1.05 | 0.92 to 1.20 | 0.485 | 1078 | 1.11 | 0.97 to 1.27 | 0.142 | 950 |
↵* Adjusted for gender, maternal eczema, maternal atopy, maternal education and birth order.