Table 3

Relative risks (RR) for the associations between prenatal and postnatal growth and whether the child had ever wheezed by age 3 years (unadjusted and adjusted) (N=1522)

	Unadjusted analyses				Adjusted^* analyses
	RR	(95% CI)	p Value	n	RR	(95% CI)	p Value	n
Birth size variables
Crown–heel length	0.96	0.92 to 1.00	0.061	1479	0.96	0.92 to 1.01	0.088	1479
Weight	0.97	0.93 to 1.01	0.197	1506	0.97	0.93 to 1.02	0.206	1506

Conditional fetal growth
11–19 weeks
Head circumference	0.98	0.91 to 1.06	0.574	597	0.94	0.87 to 1.02	0.155	597
Abdominal circumference	0.98	0.89 to 1.07	0.611	562	0.95	0.87 to 1.04	0.285	562

19–34 weeks
Head circumference	0.98	0.93 to 1.04	0.598	877	0.98	0.93 to 1.04	0.572	877
Abdominal circumference	1.04	0.99 to 1.10	0.129	911	1.04	0.99 to 1.10	0.092	911

Conditional infant growth
0–6 months
Length	1.01	0.97 to 1.05	0.574	1450	0.98	0.94 to 1.03	0.409	1450
Weight	1.08	1.03 to 1.12	0.000	1485	1.05	1.01 to 1.09	0.020	1485
Subscapular skinfold	1.06	1.02 to 1.10	0.003	1480	1.05	1.01 to 1.10	0.017	1480

6–12 months
Length	0.97	0.93 to 1.02	0.307	1346	0.98	0.93 to 1.04	0.579	1346
Weight	1.04	0.98 to 1.09	0.190	1372	1.06	1.00 to 1.12	0.041	1372
Subscapular skinfold	1.06	1.01 to 1.10	0.010	1368	1.07	1.03 to 1.12	0.001	1368

↵* Adjusted for gender, smoking during pregnancy, age last breastfed, maternal asthma, maternal rhinitis, paternal asthma, maternal education and birth order.