TABLE 7.

Akiake’s Information Criterion (AIC) for logit and polynomial fits of normalized pressure-pain thresholds as a function of tissue thickness in limbs of runners and non-runners. Coefficients and r-squared values for goodness of the logit are also shown.

	Non-runners		Runners
AIC functional fit	Left	Right	Left	Right
Logit	−12.78	−15.17	−12.75	−7.89
Linear	−12.62	−11.48	−12.09	−7.60
Quadratic	−3.07	−2.42	−2.74	2.22
Cubic	22.72	24.01	25.56	29.20
Logit Fit
R2	0.69	0.60	0.61	0.53
β1	0.17	0.14	0.13	0.11
β2	17.22	17.22	15.67	15.69
β3	1.46	1.39	1.34	1.33