Table B1.

Results of cubic and linear functions.

	linear function HP = SCHA + error	Cubic function $H_P=a_c{H}_A^3+S_C{H}_A+error$
aC
Mean		−0.00077
95% CI		(−0.0012, −0.00031)
SC
Mean	0.55	0.64
95% CI	(0.52, 0.59)	(−0.58, 0.70)
Error
Mean	−0.0085	−0.0085
95% CI	(−0.28, 0.26)	(−0.18, 0.16)
Function statistics
Deviance	8.50	−2.99
χ2(df)	3.92 (9)	2.32 (8)
P	0.92	0.97