Table 3. Coefficients for the mixed and generalized model.

	Mixed Effects Model (Equation 1)		Generalized Model (Equation 2)
	β	SE	α	SE
Intercept	6.031§	0.035	5.387§	0.032
AM acceleration (g)	0.210§	0.011	0.159§	0.013
Centered mass (kg)	0.016§	0.001	–	–
Mass (kg)	–	–	0.016§	0.001
Type of locomotion (walk/run where walk  = 0 and run  = 1)	0.647§	0.049	0.799§	0.046
AM acceleration*run interaction	−0.141§	0.014	−0.142§	0.016
Sex (boy/girl, where boy  = 0 and girl  = 1)	−0.138§	0.033	–	–

β and α coefficients (Equation 1 and Equation 2, respectively) along with their standard errors (SE) are reported.

^§p<0.001.