a trend towards significancep = 0.059
The multifactorial model for average swimming speed showed a trend towards significance ( p = 0.059) for sex, and significant effects ( p < 0.05) for age group, stroke, distance and the interactions sex × age group, sex × distance, age group × stroke, age group × distance, stroke × distance, sex × age group × stroke and sex × stroke × distance ( Table 2 ).