Table 1.
Mean, standard deviation (time), two-way ANOVA (sex, classification, and interactions) with Bonferroni post-hoc in 50 m and 100 m individual freestyle in old starting platform.
| Time (s) | Block time (s) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Men (m) (n=511) |
Women (w) (n=510) |
Men (m) (n=511) |
Women (w) (n=510) |
||||||
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | ||||||
| 50-m freestyle | |||||||||
| 1st-3rd (n=96) | 22.10 (.23) | 24.94 (.45) | .73 (0.06) | .76 (0.05) | |||||
| 4th-8th (n=157) | 22.45 (.27) | 25.46 (.41) | .75 (0.07) | .77 (0.06) | |||||
| 9th-16th (n=256) | 22.77 (.36) | 25.86 (.44) | .76 (0.06) | .79 (0.06) | |||||
| 100-m freestyle | |||||||||
| 1st-3rd (n=96) | 48.64 (.43) | 54.40 (.64) | .75 (0.06) | .77 (0.06) | |||||
| 4th-8th (n=160) | 49.37 (.50) | 55.31 (.66) | .76 (0.05) | .78 (0.06) | |||||
| 9th-16th (n=256) | 50.07 (.68) | 56.18 (.79) | .77 (0.05) | .79 (0.06) | |||||
| Whole sample by sex and classification | Sex | Classification | |||||||
| Men (m) | Women (w) | 1st -3rd (a) | 4th -8th (b) | 9th -16th (c) | |||||
| 50-m freestyle | .75 (.06) | .78 (.06) | .75 (0.05) | .76 (0.07) | .77 (.06) | ||||
| 100-m freestyle | .76 (.05) | .79 (.06) | .76 (0.06) | .77 (0.05) | .78 (.05) | ||||
| Main effects and interactions | Sex | Classification | Sex * Classification | ||||||
| F | Diff | p | F | Diff | p | F | p | ||
| 50-m freestyle | 18.141 | m<w | <.001a | 5.205 | a<c | .006c | .567 | .568 | |
| 100-m freestyle | 24.035 | m<w | <.001b | 4.100 | a<c | .017 | .085 | .918 | |
a: effect size=-0.50;
b: effect size=-0.54;
c: effect size=-0.35