Statistical
analysis was performed using the SPSS 16.0 statistical software. Descriptive statistics were used to describe
arithmetic
mean (Mx My), standard deviation (SDx Sdy) and minimum and maximum values of scores on initial and final
fitness
assessments (Xmin, Xmax; Ymin, Ymax) for the basic features of the study, i.e. strength, balance skills and endurance.
Differences
on initial and final assessment between experimental and control groups, as well as between mild and
borderline
ID were established using t-test. The level of statistical significance of differences related to fitness test
performance
and monitoring of effects of experimental factors was determined using analysis of variance (ANOVA). A
significance
level of p 0.05 was considered statistically significant.