Table 1 Loadings and explained variance of the principal components (PCs) for the analytic study population in EPIC (n = 340,152) and average loadings and average explained variance derived by Ried et al. [16] labelled “avPC”.

	PC1	avPC1^a	PC2	avPC2	PC3	avPC3	PC4^a	avPC4^a	PC5	avPC5	PC6	avPC6
Height	0.092	0.131	0.801	0.803	0.497	0.513	0.029	0.018	0.262	0.265	−0.183	−0.062
Weight	0.487	0.486	0.224	0.186	−0.042	−0.056	0.497	0.475	−0.557	−0.690	0.394	0.155
BMI	0.476	0.473	−0.149	−0.128	−0.299	−0.284	0.479	0.504	0.539	0.635	−0.377	−0.148
Waist circumference	0.493	0.488	−0.146	−0.159	0.175	0.138	−0.411	−0.424	−0.428	−0.163	−0.594	−0.715
Hip circumference	0.446	0.444	0.219	0.197	−0.389	−0.399	−0.595	−0.583	0.272	0.110	0.417	0.503
WHR	0.295	0.297	−0.466	−0.490	0.693	0.689	−0.015	−0.019	0.272	0.105	0.377	0.432
Explained variance [%]	63.04	64.37	19.60	18.46	14.39	13.79	2.81	2.97	0.11	0.26	0.06	0.15

avPC average principal component, BMI body mass index, PC principal component, WHR waist-to-hip ratio.
^aLoadings for avPC1, PC4 and avPC4 were inverted.

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