Table 1.
Characteristics of the Study Samples
| Variable |
2010 Data14 |
2014 Data |
Statistical Test Valuea |
P Value |
| Sample size | 217 | 298 | ||
| No. declined to take part | 15 | 17 | ||
| Mean age, y | 38.6 | 37.5 | t = −1.189 | .235 |
| Mean ± SD |
||||
| Finishing time, h | 4.36 ± 0.55 | 4.66 ± 0.49 | t = 2.961 | .003 |
| No. (%) |
||||
| Females | 66 (30.4) | 150 (50.3) | U = 25 892.00 | .001 |
| Males | 151 (69.6) | 148 (49.7) | ||
| First marathon | 117 (54) | 162 (54.4) | U = 32 328.00 | .997 |
| Member of a running club | 56 (25.8) | 83 (27.9) | U = 32 994.50 | .606 |
a
Independent-samples t test or Mann-Whitney U test.