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Table 9 Multi-level regression analysis for changes in sex difference in swimming speed for the world champions in freestyle, breaststroke, backstroke, butterfly and individual medley with correction for multiple participations

From: Changes in sex difference in swimming speed in finalists at FINA World Championships and the Olympic Games from 1992 to 2013

 

β

SE ( β)

Stand. β

T

p

50 m freestyle

0.068

0.038

0.555

1.767

0.121

100 m freestyle

−0.020

0.056

−0.132

−0.353

0.735

200 m freestyle

0.011

0.076

0.054

0.144

0.889

400 m freestyle

−0.110

0.058

−0.580

−1.883

0.102

800 m freestyle

−0.017

0.065

−0.097

−0.259

0.803

100 m breaststroke

−0.049

0.035

−0.471

−1.413

0.200

200 m breaststroke

−0.011

0.038

−0.106

−0.281

0.787

100 m backstroke

0.035

0.046

0.272

0.749

0.478

200 m backstroke

0.055

0.049

0.388

1.113

0.302

100 m butterfly

0.032

0.055

0.214

0.579

0.581

200 m butterfly

0.031

0.061

0.186

0.501

0.632

200 m individual medley

0.076

0.077

0.351

0.993

0.354

400 m individual medley

−0.021

0.047

−0.166

−0.444

0.670