Table 2.
Mean, standard deviation (time), two-way ANOVA (sex, classification, and interactions) with Bonferroni 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
<.001
a
1.740
n.s.
.177
.809
.446
100-m freestyle
41.328
m<w
<.001
b
2.144
n.s.
.119
.541
.583
a: effect size=-0.66;
b: effect size=-0.66