Table 1. Pearson’s correlation of age by sex with model age predictions.

Model		Training data	Core	Test data	Core
Both Sexes	M	0.99	0.94	0.61	0.65
	F	0.99	0.95	0.56	0.58
Male	M	0.98		0.55
	F	0.95		0.49
Female	M	0.90		0.61
	F	0.97		0.54