Skip to main content

Advertisement

Table 9 Results of the mixed-effects regression analyses for change in age across years in half-marathoners

From: Male and female Ethiopian and Kenyan runners are the fastest and the youngest in both half and full marathon

Parameter Estimate SE DF T p value
Ethiopia      
 Constant term −182.511370 314.486675 91.467 −0.580 0.563
 Female sex 1.680182 1.432541 72.982 1.173 0.245
 Calendar year 0.104919 0.156633 91.480 0.670 0.505
Kenya      
 Constant term 8.235275 288.742638 208.395 0.029 0.977
 Female sex −0.121674 1.317439 68.640 −0.092 0.927
 Calendar year 0.010794 0.143794 208.376 0.075 0.940
Austria      
 Constant term 194.074686 73.655324 2996.146 2.635 0.008
 Female sex −1.709831 0.481769 1362.215 −3.549 <0.0001
 Calendar year −0.075364 0.036673 2996.074 −2.055 0.040
Canada      
 Constant term 160.945071 202.099830 612.252 0.796 0.426
 Female sex −1.870259 1.338345 281.258 −1.397 0.163
 Calendar year −0.059563 0.100658 612.236 −0.592 0.554
Czech Republic
 Constant term −103.672165 314.871371 203.897 −0.329 0.742
 Female sex −1.866522 1.674310 123.397 −1.115 0.267
 Calendar year 0.070316 0.156835 203.856 0.448 0.654
Denmark      
 Constant term 635.928991 345.802767 242.013 1.839 0.067
 Female sex −1.207578 1.995708 124.433 −0.605 0.546
 Calendar year −0.295499 0.172164 242.020 −1.716 0.087
Spain      
 Constant term 4.345138 173.122867 707.441 0.025 0.980
 Female sex −0.414857 0.961543 416.419 −0.431 0.666
 Calendar year 0.018514 0.086181 707.444 0.215 0.830
France      
 Constant term 40.876029 30.739542 20,221.009 1.330 0.184
 Female sex −0.363674 0.201893 9121.960 −1.801 0.072
 Calendar year 0.000558 0.015305 20,220.731 0.036 0.971
Great Britain
 Constant term 62.808682 86.098036 2964.716 0.730 0.466
 Female sex −1.582820 0.555386 1329.593 −2.850 0.004
 Calendar year −0.010529 0.042874 2964.669 −0.246 0.806
Germany      
 Constant term 47.516840 32.418394 21,887.424 1.466 0.143
 Female sex 0.269587 0.192793 9869.455 1.398 0.162
 Calendar year −0.002199 0.016141 21,888.087 −0.136 0.892
Italy      
 Constant term 99.335607 63.935535 3599.246 1.554 0.120
 Female sex −0.964511 0.478133 1789.232 −2.017 0.044
 Calendar year −0.027856 0.031834 3599.102 −0.875 0.382
Japan      
 Constant term 774.526324 242.816752 456.029 3.190 0.002
 Female sex −0.297851 1.873820 298.110 −0.159 0.874
 Calendar year −0.361601 0.120894 456.006 −2.991 0.003
Liechtenstein
 Constant term 86.887276 148.175736 975.830 0.586 0.558
 Female sex −0.191866 0.758997 586.133 −0.253 0.801
 Calendar year −0.022614 0.073778 975.840 −0.307 0.759
Luxembourg      
 Constant term −164.038413 297.385871 212.919 −0.552 0.582
 Female sex −0.327141 1.355426 151.704 −0.241 0.810
 Calendar year 0.102236 0.148098 212.984 0.690 0.491
Netherlands      
 Constant term −523.086955 207.948527 597.809 −2.515 0.012
 Female sex 0.885014 1.109896 324.076 0.797 0.426
 Calendar year 0.281968 0.103524 597.796 2.724 0.007
Norway      
 Constant term −912.882656 459.239160 164.453 −1.988 0.048
 Female sex 6.870747 2.584284 91.195 2.659 0.009
 Calendar year 0.475098 0.228639 164.454 2.078 0.039
Portugal      
 Constant term −51.331697 261.757709 235.116 −0.196 0.845
 Female sex 1.523814 1.797020 119.389 0.848 0.398
 Calendar year 0.046577 0.130365 235.105 0.357 0.721
Switzerland      
 Constant term 41.194097 0.025301 124,980.522 1.174 0.101
 Female sex 0.130365 0.045674 144,203.009 2.854 0.401
 Calendar year −0.003405 0.004187   −0.813 0.759
United States of America
 Constant term 59.833065 149.760218 1239.031 0.400 0.690
 Female sex −0.210582 0.907549 602.658 −0.232 0.817
 Calendar year −0.009517 0.074571 1239.035 −0.128 0.898
Australia      
 Constant term 352.823540 240.345850 102.968 1.468 0.145
 Female sex 0.724548 1.955842 120.491 0.370 0.712
 Calendar year −0.155166 0.119654 102.965 −1.297 0.198
Belgium      
 Constant term 32.115986 200.805249 711.224 0.160 0.873
 Female sex 0.194925 1.089004 423.817 0.179 0.858
 Calendar year 0.005088 0.099966 711.329 0.051 0.959
Hungary      
 Constant term 306.588165 391.814434 209.053 0.782 0.435
 Female sex 1.793288 2.174815 181.126 0.825 0.411
 Calendar year −0.129388 0.195061 209.050 −0.663 0.508
Ireland      
 Constant term −234.096789 266.979012 233.252 −0.877 0.381
 Female sex −1.746638 1.660739 110.543 −1.052 0.295
 Calendar year 0.136751 0.132924 233.250 1.029 0.305
Poland      
 Constant term 80.619356 304.876109 293.818 0.264 0.792
 Female sex 1.372858 1.636758 169.363 0.839 0.403
 Calendar year −0.020831 0.151805 293.811 −0.137 0.891
Russia      
 Constant term 172.423406 334.325523 166.780 0.516 0.607
 Female sex −1.652883 1.736428 115.009 −0.952 0.343
 Calendar year −0.067115 0.166487 166.786 −0.403 0.687
Sweden      
 Constant term 289.316852 335.082052 353.960 0.863 0.388
 Female sex −0.592306 1.563797 209.865 −0.379 0.705
 Calendar year −0.122190 0.166817 353.950 −0.732 0.464
Finland      
 Constant term −59.142933 311.996766 307.703 −0.190 0.850
 Female sex 3.608451 1.778953 155.630 2.028 0.044
 Calendar year 0.049886 0.155324 307.703 0.321 0.748
Greece      
 Constant term −892.527239 519.331793 93.956 −1.719 0.089
 Female sex −0.405076 2.897113 68.342 −0.140 0.889
 Calendar year 0.464430 0.258636 93.954 1.796 0.076
Republic of South Africa
 Constant term 636.290049 640.320419 75.353 0.994 0.324
 Female sex 2.142126 2.784791 44.423 0.769 0.446
 Calendar year −0.296861 0.318625 75.353 −0.932 0.354
Brazil      
 Constant term 390.737458 494.198576 122.510 0.791 0.431
 Female sex −1.389051 2.469821 73.141 −0.562 0.576
 Calendar year −0.171769 0.245978 122.514 −0.698 0.486
Mexico      
 Constant term 342.919947 496.145544 92.343 0.691 0.491
 Female sex −0.070202 2.152566 68.580 −0.033 0.974
 Calendar year −0.150281 0.246976 92.326 −0.608 0.544
Argentina      
 Constant term −133.127127 591.831333 31.764 −0.225 0.823
 Female sex −2.442123 2.570733 24.433 −0.950 0.351
 Calendar year 0.086027 0.294531 31.768 0.292 0.772
India      
 Constant term 647.670352 567.767634 57.387 1.141 0.259
 Female sex −0.840896 2.566219 39.798 −0.328 0.745
 Calendar year −0.302860 0.282792 57.372 −1.071 0.289
Israel      
 Constant term 369.720687 818.353267 61.363 0.452 0.653
 Female sex 2.219258 4.361460 43.335 0.509 0.613
 Calendar year −0.162596 0.407397 61.348 −0.399 0.691
Slovenia      
 Constant term −780.162274 551.609835 27.991 −1.414 0.168
 Female sex −7.106008 2.764787 23.422 −2.570 0.017
 Calendar year 0.409617 0.274536 27.999 1.492 0.147
  1. Data for Non-African runners are sorted in order of the number of finishers of each country