Table 7. Summary of linear regression models.

Demographic	Dataset	Hand	Direction	Predictors ID	Adj. R2	RMSE
Height	Whole	Right	backward	5,12,13,14,17,18,19	0.56	6.40
		Left	backward	2,3,5,7,10,12,13,16,18	0.46	7.10
	Male	Right	backward	3,4,11,14,15	0.29	7.05
		Left	backward	1,3,4,5,7,8,9,10,11,12,13,15,16,17,18,21	0.32	6.87
	Female	Right	bi-directional	3,4,14,15	0.40	5.78
		Left	bi-directional	1,2,3,5,6,9,12,16,17,20,21	0.42	5.66
Log-weight	Whole	Right	backward	5,7,9,10,11,12,13,15,21	0.58	0.12
		Left	backward	1,3,4,6,8,9,13,14,16,17,18,20,21	0.66	0.11
	Male	Right	backward	2,4,6,7,8,9,10,11,12,13,19,21	0.34	0.11
		Left	backward	1,3,4,5,6,7,9,10,11,12,13,14,16,17,18,19	0.58	0.09
	Female	Right	backward	1,2,3,4,5,7,8,9,11,12,13,14,16,17,18,19,20	0.52	0.12
		Left	backward	1,4,5,6,7,8,10,12,13,15,16,17,18,20,21	0.60	0.11
Foot Size	Whole	Right	bi-directional	6,15,18,21	0.78	1.12
		Left	backward	1,2,3,4,7,13,15,16,17,18,21	0.73	1.26
	Male	Right	bi-directional	21	0.21	1.40
		Left	bi-directional	1,2,3,4,5,6,7,8,10,11,14,15,17,20,21	0.33	1.29
	Female	Right	backward	2,4,9,12,17,20,21	0.60	0.82
		Left	bi-directional	2,3,5,10,13,16,17,19,21	0.67	0.75

RMSE in cm for height, log-kg for log-weight and UK foot sizes for foot size