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Table 9 Results of the mixed-effects regression analyses for running speed in marathon

From: Half-marathoners are younger and slower than marathoners

Parameter

Estimate

SE

df

t

p

18–24 years

     

 Constant term

54.963233

45.949509

1642.807

1.196

0.232

 [Sex = female]

−0.010120

0.247367

1808.569

−0.041

0.967

 Calendar year

−0.012919

0.022737

1694.390

−0.568

0.570

 Cage

1.431063

0.966068

1517.761

1.481

0.139

 Cage2

0.036707

0.024531

1541.276

1.496

0.135

25–29 years

     

 Constant term

35.772472

29.275418

3362.866

1.222

0.222

 [Sex = female]

0.020400

0.169711

3644.906

0.120

0.904

 Calendar year

−0.013980

0.014333

3395.444

−0.975

0.329

 Cage

−1.058839

0.842978

2700.446

−1.256

0.209

 Cage2

−0.037775

0.030204

2697.380

−1.251

0.211

30–34 years

     

 Constant term

18.697561

21.843554

4930.863

0.856

0.392

 [Sex = female]

0.190907

0.136155

5546.306

1.402

0.161

 Calendar year

−0.003024

0.010843

4923.040

−0.279

0.780

 Cage

−0.481635

0.395727

3466.504

−1.217

0.224

 Cage2

−0.027416

0.022019

3473.265

−1.245

0.213

35–39 years

     

 Constant term

24.985172

18.419663

5809.676

1.356

0.175

 [Sex = female]

0.117198

0.120178

7035.058

0.975

0.329

 Calendar year

−0.005163

0.009176

5811.848

−0.563

0.574

 Cage

−0.070901

0.146207

4084.836

−0.485

0.628

 Cage2

−0.010708

0.018256

4116.190

−0.587

0.558

40–44 years

     

 Constant term

24.560923

16.551235

6983.393

1.484

0.138

 [Sex = female]

0.326742

0.110619

8241.252

2.954

0.003

 Calendar year

−0.005067

0.008243

6983.203

−0.615

0.539

 Cage

0.004824

0.037083

4870.786

0.130

0.896

 Cage2

0.008351

0.016000

4750.139

0.522

0.602

45–49 years

     

 Constant term

−18.776608

18.688413

6055.809

−1.005

0.315

 [Sex = female]

0.198713

0.121281

7183.064

1.638

0.101

 Calendar year

0.016356

0.009307

6056.803

1.757

0.079

 Cage

0.142027

0.219921

4077.826

0.646

0.518

 Cage2

−0.008649

0.018296

4050.227

−0.473

0.636

50–54 years

     

 Constant term

35.122855

22.752641

3731.765

1.544

0.123

 [Sex = female]

0.0376662

0.146151

5053.697

2.577

0.010

 Calendar year

−0.013442

0.011249

3750.114

−1.195

0.232

 Cage

1.138201

0.493626

2678.872

2.306

0.021

 Cage2

−0.048973

0.022539

2671.667

−2.173

0.030

55–59 years

     

 Constant term

28.143217

31.538937

1687.963

0.892

0.372

 [Sex = female]

0.426938

0.196830

2906.532

2.169

0.030

 Calendar year

−0.007188

0.015146

1716.634

−0.475

0.635

 Cage

0.096076

0.937454

1078.711

0.102

0.918

 Cage2

−0.001525

0.029369

1070.383

−0.052

0.959

60–64 years

     

 Constant term

−42.833272

51.553601

1076.017

−0.831

0.406

 [Sex = female]

0.496350

0.272019

1574.678

1.825

0.068

 Calendar year

0.026103

0.023597

1184.052

1.106

0.269

 Cage

0.567461

1.978831

738.994

0.287

0.774

 Cage2

−0.014553

0.047523

749.129

−0.306

0.760

65–69 years

     

 Constant term

−59.473939

83.366094

418.223

−0.713

0.476

 [Sex = female]

−0.231287

0.381408

737.633

−0.606

0.544

 Calendar year

0.009479

0.034912

567.095

0.272

0.786

 Cage

4.275632

3.531786

262.482

1.211

0.227

 Cage2

−0.081406

0.068094

260.904

−1.195

0.233

70–74 years

     

 Constant term

−12.845200

143.465772

182.815

−0.090

0.929

 [Sex = female]

−0.702660

0.576353

306.689

−1.219

0.224

 Calendar year

−0.065044

0.051496

257.801

−1.263

0.208

 Cage

10.243172

6.298387

109.487

1.626

0.107

 Cage2

−0.163818

0.102047

109.268

−1.605

0.111

75–79 years

     

 Constant term

−60.658516

305.872037

10.992

−0.198

0.846

 [Sex = female]

−0.568041

1.199866

84.162

−0.473

0.637

 Calendar year

−0.087646

0.099109

43.052

−0.884

0.381

 Cage

13.998502

14.954195

14.595

0.936

0.364

 Cage2

−0.193455

0.209581

14.944

−0.923

0.371

80–84 years

     

 Constant term

−1994.108804

706.076437

15.000

−2.824

0.013

 [Sex = female]

−1.193533

1.235529

15.000

−0.966

0.349

 Calendar year

−0.064119

0.145369

15.000

−0.441

0.665

 Cage

104.090501

24.280352

15.000

4.287

0.001

 Cage2

−1.263960

0.295597

15.000

−4.276

0.001

85–89 years

     

 Constant term

−275.995974

516.465002

6.000

−0.534

0.612

 [Sex = female]

0

0

   

 Calendar year

0.043759

0.245249

6.000

0.178

0.864

 Cage

4.599196

1.543800

6.000

2.979

0.025

 Cage2

0

0