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Table 7 Multi-level regression analyses for power density from the first to the tenth finisher and from the first to the last finisher (Model 1) with correction for multiple finishes (Model 2) and age of the athletes with multiple finishes (Model 3)

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
Power density from the first to tenth finisher
5 km women
1 -0.251 0.156 -0.454 -1.610 0.139
2 -0.251 0.156 -0.454 -1.610 0.139
3 -0.231 0.208 -0.418 -1.113 0.295
5 km men
1 0.027 0.122 0.070 0.222 0.829
2 0.027 0.122 0.070 0.222 0.829
3 0.045 0.135 0.117 0.336 0.745
10 km women
1 0.097 0.150 0.212 0.650 0.532
2 0.097 0.150 0.212 0.650 0.532
3 0.160 0.164 0.348 0.974 0.359
10 km men
1 0.069 0.058 0.365 1.176 0.270
2 0.069 0.058 0.365 1.176 0.270
3 0.027 0.087 0.143 0.308 0.766
25 km women
1 0.023 0.276 0.026 0.082 0.936
2 0.023 0.276 0.026 0.082 0.936
3 0.057 0.290 0.066 0.197 0.848
25 km men
1 0.184 0.244 0.232 0.755 0.468
2 0.184 0.244 0.232 0.755 0.468
3 0.199 0.287 0.251 .0695 0.505
Power density from the first to last finisher
5 km women
1 -0.576 0.520 -0.330 -1.107 0.294
2 -0.576 0.520 -0.330 -1.107 0.294
3 -0.442 0.536 -0.254 -0.825 0.431
5 km men
1 -0.079 1.010 -0.025 -0.078 0.940
2 -0.079 1.010 -0.025 -0.078 0.940
3 -0.005 1.118 -0.002 -0.005 0.996
10 km women
1 -0.683 0.785 -0.279 -0.871 0.407
2 -0.683 0.785 -0.279 -0.871 0.407
3 -0.915 10.056 -0.373 -0.867 0.411
10 km men
1 -0.893 0.354 -0.644 -2.523 0.033
2 -0.893 0.354 -0.644 -2.523 0.033
3 -10.069 0.881 -0.770 -1.214 0.260
25 km women
1 0.860 0.428 0.537 20.013 0.072
2 0.860 0.428 0.537 20.013 0.072
3 0.861 0.453 0.537 1.901 0.090
25 km men
1 0.243 0.544 0.140 0.447 0.664
2 0.243 0.544 0.140 0.447 0.664
3 0.159 0.532 0.092 0.298 0.772