Table 2.
Mean, standard deviation (time), two-way ANOVA (sex, classification, and interactions) with Bonferroni post-hoc in 50 m and 100 m individual freestyle in new starting platform.
| Time (s) | Block time (s) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Men (m) (n=318) |
Women (w) (n=318) |
Men (m) (n=318) |
Women (w) (n=318) |
||||||
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | ||||||
| 50-m freestyle | |||||||||
| 1st-3rd (n=60) | 21.7 (.29) | 24.5 (.34) | .68 (.04) | .70 (.05) | |||||
| 4th-8th (n=100) | 22.1 (.35) | 25.0 (.44) | .68 (.04) | .70 (.05) | |||||
| 9th-16th (n=158) | 22.4 (.45) | 25.4 (.55) | .68 (.05) | 0.72 (.05) | |||||
| 100-m freestyle | |||||||||
| 1st-3rd (n=60) | 48.0 (.60) | 53.7 (.55) | .69 (.03) | .73 (.04) | |||||
| 4th-8th (n=100) | 48.6 (.62) | 54.5 (.74) | .69 (.04) | .73 (.05) | |||||
| 9th-16th (n=158) | 49.2 (.72) | 55.1 (.85) | .71 (.04) | .74 (.05) | |||||
| Whole sample by sex and classification | Sex | Classification | |||||||
| Men (m) | Women (w) | 1st -3rd (a) | 4th -8th (b) | 9th -16th (c) | |||||
| 50-m freestyle | .68 (0.04) | .71 (0.05) | .69 (0.04) | .69 (0.05) | .70 (.05) | ||||
| 100-m freestyle | .70 (0.04) | .73 (0.05) | .71 (0.04) | .71 (0.05) | .72 (.05) | ||||
| Main effects and interactions | Sex | Classification | Sex * Classification | ||||||
| F | Diff. | p | F | Diff. | p | F | p | ||
| 50-m freestyle | 26.932 | m<w | <.001a | 1.740 | n.s. | .177 | .809 | .446 | |
| 100-m freestyle | 41.328 | m<w | <.001b | 2.144 | n.s. | .119 | .541 | .583 | |
a: effect size=-0.66;
b: effect size=-0.66