Table 11 Results of the mixed-effects regression analyses for change in age across years in marathoners
Parameter | Estimate | SE | DF | T | p value |
|---|---|---|---|---|---|
Ethiopia | |||||
Constant term | 129.282320 | 508.886678 | 16.700 | 0.254 | 0.803 |
Female sex | −0.243651 | 3.310608 | 12.319 | −0.074 | 0.943 |
Calendar year | −0.050632 | 0.253416 | 16.702 | −0.200 | 0.844 |
Kenya | |||||
Constant term | −112.654090 | 528.060345 | 30.357 | −0.213 | 0.832 |
Female sex | 3.707084 | 4.569460 | 13.457 | 0.811 | 0.431 |
Calendar year | 0.070957 | 0.263161 | 30.291 | 0.270 | 0.789 |
Austria | |||||
Constant term | 203.368427 | 202.655612 | 491.365 | 1.004 | 0.316 |
Female sex | −2.565643 | 1.122330 | 309.176 | −2.286 | 0.023 |
Calendar year | −0.079728 | 0.100942 | 491.362 | −0.790 | 0.430 |
France | |||||
Constant term | 118.121641 | 83.994410 | 2805.626 | 1.406 | 0.160 |
Female sex | 0.044112 | 0.552283 | 1850.356 | 0.080 | 0.936 |
Calendar year | −0.037087 | 0.041835 | 2805.619 | −0.887 | 0.375 |
Great Britain | |||||
Constant term | 389.692562 | 249.759353 | 477.933 | 1.560 | 0.119 |
Female sex | −1.714608 | 1.280914 | 348.174 | −1.339 | 0.182 |
Calendar year | −0.173769 | 0.124396 | 477.931 | −1.397 | 0.163 |
Germany | |||||
Constant term | 107.789331 | 82.298718 | 3899.573 | 1.310 | 0.190 |
Female sex | 0.535367 | 0.472119 | 2458.948 | 1.134 | 0.257 |
Calendar year | −0.032069 | 0.040991 | 3899.516 | −0.782 | 0.434 |
Italy | |||||
Constant term | 556.010922 | 261.000704 | 423.965 | 2.130 | 0.034 |
Female sex | 1.394311 | 1.647994 | 289.562 | 0.846 | 0.398 |
Calendar year | −0.255065 | 0.129966 | 423.965 | −1.963 | 0.050 |
Japan | |||||
Constant term | −933.316248 | 562.194049 | 154.231 | −1.660 | 0.099 |
Female sex | 1.996612 | 3.315609 | 104.626 | 0.602 | 0.548 |
Calendar year | 0.488912 | 0.279931 | 154.230 | 1.747 | 0.083 |
Switzerland | |||||
Constant term | 37.165305 | 28.161538 | 39,125.737 | 1.320 | 0.187 |
Female sex | 0.130342 | 0.144640 | 24,925.454 | 0.901 | 0.368 |
Calendar year | 0.002333 | 0.014026 | 39,122.296 | 0.166 | 0.868 |
Canada | |||||
Constant term | −113.393911 | 476.054030 | 132.791 | −0.238 | 0.812 |
Female sex | −2.046769 | 3.297757 | 73.295 | −0.621 | 0.537 |
Calendar year | 0.077849 | 0.237227 | 132.790 | 0.328 | 0.743 |
Liechtenstein | |||||
Constant term | 1182.645518 | 516.645857 | 102.882 | 2.289 | 0.024 |
Female sex | 2.754826 | 2.269941 | 72.517 | 1.214 | 0.229 |
Calendar year | −0.569271 | 0.257412 | 102.881 | −2.212 | 0.029 |
United States of America | |||||
Constant term | 237.925017 | 383.185261 | 297.972 | 0.621 | 0.535 |
Female sex | −1.592948 | 2.308567 | 180.960 | −0.690 | 0.491 |
Calendar year | −0.098054 | 0.190859 | 297.985 | −0.514 | 0.608 |
Belgium | |||||
Constant term | −304.145888 | 500.299320 | 132.133 | −0.608 | 0.544 |
Female sex | 1.923155 | 3.303639 | 100.875 | 0.582 | 0.562 |
Calendar year | 0.172307 | 0.248996 | 132.127 | 0.692 | 0.490 |
Spain | |||||
Constant term | 519.395530 | 568.357363 | 74.188 | 0.914 | 0.364 |
Female sex | −0.202724 | 2.587542 | 60.661 | −0.078 | 0.938 |
Calendar year | −0.237530 | 0.282985 | 74.188 | −0.839 | 0.404 |
Poland | |||||
Constant term | −2195.393095 | 875.131990 | 54.937 | −2.509 | 0.015 |
Female sex | −3.631775 | 3.857273 | 56.539 | −0.942 | 0.350 |
Calendar year | 1.113417 | 0.435743 | 54.943 | 2.555 | 0.013 |