Table 8. Multivariate regression (independent variable: age at T1, gender and school type; SE= standard error).
B SE Beta T p
modell constant -41.531 83.147 -.499 .618
gender -18.697 10.619 -.072 -1.761 .079
age (yrs.) 27.993 12.686 .103 2.207 .028
school type -30.730 13.122 -.110 -2.342 .020
a dependent variable difference between runned metres T2 and T1