Table 1.

Associations between health/developmental variables, FA scores and centroid size in the full sample and low birth weight sub-sample.

	correlation with
		Procrustes FA scores		centroid size		FA scores (controlling for centroid size)
health/developmental variable	n	r	p-value	r	p-value	r	p-value
full sample (n = 4732)
total infection load (number of infections)	3758	−0.021	0.200	−0.019	0.236	−0.022	0.174
proportion years unwell (complete data)	2006	0.002	0.929	0.019	0.401	0.003	0.886
proportion years unwell (6 or more years data complete)	4189	0.009	0.563	0.001	0.966	0.009	0.560
average symptoms per year (complete data)	2710	−0.009	0.638	0.032	0.097	−0.007	0.715
average symptoms per year (5 or more years data complete)	4270	−0.003	0.845	0.024	0.124	−0.001	0.922
IQ age 8	4153	−0.044**	0.005	0.098***	<0.0001	−0.037*	0.016
birth weight (g)	4450	−0.031*	0.039	0.196***	<0.0001	−0.018	0.219
height (mm) in year 10a	4375	−0.013	0.388	0.336***	<0.0001	0.008	0.575
weight (g) in year 10a	4389	−0.029	0.055	0.237***	<0.0001	−0.014	0.358
BMI in year 10a	4367	−0.030	0.049	0.131***	<0.0001	−0.021	0.156
low (<2500 g) birth weight sample (n = 227)
total infection load (number of infections)	173	−0.109	0.154	−0.017	0.822	−0.110	0.148
proportion years unwell (complete data)	87	−0.144	0.183	0.090	0.409	−0.138	0.201
proportion years unwell (6 or more years data complete)	200	0.004	0.952	0.026	0.710	0.006	0.934
average symptoms per year (complete data)	126	−0.017	0.852	0.105	0.241	−0.010	0.911
average symptoms per year (5 or more years data complete)	208	−0.049	0.485	0.011	0.871	−0.048	0.492
IQ age 8	198	−0.166*	0.020	0.098	0.169	−0.159*	0.025
height (mm) in year 10a	209	−0.108	0.122	0.453***	<0.0001	−0.079	0.256
weight (g) in year 10a	211	−0.052	0.452	0.296***	<0.0001	−0.034	0.625
BMI in year 10a	208	0.028	0.688	0.126	0.070	0.036	0.608

*p < 0.05, **p < 0.01, ***p < 0.001.

^aPartial correlation controlling for age at time of measurement.