Table 3.

Regression coefficients for the prediction of the overall Rikli-Jones test result (expressed as a z score) using measures of size early in life (expressed as a z score) in models with different sets of covariates included (each measure of size is analyzed separately)

Age (years)	Model 1			Model 2			Model 3			Model 4
	b	95 % CI	p	b	95 % CI	p	b	95 % CI	p	b	95 % CI	p
Length/height
0	0.089	0.027 to 0.150	0.005	0.080	0.021 to 0.140	0.008	0.067	0.009 to 0.126	0.025	0.063	0.006 to 0.121	0.031
1	0.043	−0.017 to 0.104	0.157	0.024	−0.034 to 0.083	0.412	0.010	−0.047 to 0.068	0.725	0.017	−0.048 to 0.082	0.609
2	0.058	−0.002 to 0.118	0.058	0.035	−0.023 to 0.093	0.236	0.022	−0.035 to 0.079	0.453	0.026	−0.043 to 0.094	0.462
7	−0.021	−0.083 to 0.041	0.511	−0.038	−0.098 to 0.022	0.210	−0.047	−0.106 to 0.012	0.119	−0.136	−0.217 to −0.055	0.001
11	−0.039	−0.101 to 0.023	0.216	−0.052	−0.112 to 0.008	0.088	−0.054	−0.113 to 0.005	0.073	−0.124	−0.201 to −0.046	0.002
Weight
0	0.076	0.015 to 0.136	0.014	0.078	0.020 to 0.135	0.008	0.061	0.004 to 0.118	0.035	0.067	0.012 to 0.123	0.017
1	0.050	−0.010 to 0.111	0.100	0.041	−0.017 to 0.099	0.162	0.022	−0.035 to 0.079	0.452	0.041	−0.016 to 0.099	0.158
2	0.043	−0.017 to 0.103	0.163	0.036	−0.023 to 0.094	0.230	0.017	−0.041 to 0.075	0.565	0.024	−0.035 to 0.084	0.426
7	−0.028	−0.090 to 0.035	0.387	−0.038	−0.099 to 0.022	0.218	−0.050	−0.110 to 0.010	0.100	−0.046	−0.111 to 0.019	0.163
11	−0.076	−0.138 to −0.013	0.017	−0.081	−0.141 to −0.021	0.008	−0.084	−0.143 to −0.025	0.005	−0.061	−0.123 to 0.002	0.058
Body mass index
0	0.053	−0.008 to 0.113	0.090	0.066	0.008 to 0.124	0.025	0.050	−0.007 to 0.107	0.088	0.057	0.002 to 0.112	0.041
1	0.035	−0.025 to 0.095	0.255	0.042	−0.015 to 0.100	0.151	0.030	−0.027 to 0.086	0.307	0.044	−0.011 to 0.099	0.114
2	0.008	−0.052 to 0.069	0.784	0.022	−0.036 to 0.079	0.466	0.009	−0.048 to 0.067	0.746	0.019	−0.036 to 0.075	0.494
7	−0.024	−0.086 to 0.038	0.446	−0.021	−0.082 to 0.039	0.483	−0.032	−0.091 to 0.028	0.294	0.014	−0.045 to 0.072	0.646
11	−0.081	−0.143 to −0.018	0.011	−0.075	−0.135 to −0.015	0.014	−0.079	−0.138 to −0.021	0.008	−0.017	−0.075 to 0.042	0.578

Model 1: adjusted for age and sex. Model 2: further adjusted for occupation, education, and adult lifestyle variables. Model 3: further adjusted for metabolic measurements. Model 4: further adjusted for adult anthropometry

b regression coefficient, CI confidence interval, p p value