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Table 8 Multi-level regression analyses for change of the age of the annual fastest and the annual ten fastest swimmers (Model 1) with correction for multiple finishes (Model 2)

From: Analysis of sex differences in open-water ultra-distance swimming performances in the FINA World Cup races in 5 km, 10 km and 25 km from 2000 to 2012

Model

ß

SE ( ß)

Stand. ß

T

p

  

Annual fastest swimmers

  

5 km women

1

-0.833

0.289

-0.674

-2.884

0.016

2

-0.833

0.289

-0.674

-2.884

0.016

5 km men

1

0.346

0.288

0.356

1.205

0.256

2

0.346

0.288

0.356

1.205

0.256

10 km women

1

-1.036

0.313

-0.741

-3.315

0.009

2

-1.036

0.313

-0.741

-3.315

0.009

10 km men

1

1.227

0.240

0.862

5.113

0.001

2

1.227

0.240

0.862

5.113

0.001

25 km women

1

-0.424

0.312

-0.396

-1.362

0.203

2

-0.424

0.312

-0.396

-1.362

0.203

25 km men

1

0.577

0.268

0.563

2.153

0.057

2

0.577

0.268

0.563

2.153

0.057

Annual ten fastest swimmers

5 km women

1

-0.194

0.102

-0.172

-1.901

0.060

2

-0.194

0.102

-0.172

-1.901

0.060

5 km men

1

0.054

0.098

0.051

0.552

0.582

2

0.054

0.098

0.051

0.552

0.582

10 km women

1

-0.032

0.129

-0.024

-0.247

0.805

2

-0.032

0.129

-0.024

-0.247

0.805

10 km men

1

0.365

0.109

0.306

3.344

0.001

2

0.365

0.109

0.306

3.344

0.001

25 km women

1

0.097

0.106

0.084

0.913

0.363

2

0.097

0.106

0.084

0.913

0.363

25 km men

1

0.122

0.103

0.109

1.188

0.237

2

0.122

0.103

0.109

1.188

0.237