Table 2. Three-Way Mixed Analyses of Variance for 6-Minute Endurance Run Test and Body Mass Index SD Scores.
| Variable | df | F | P value | ηp2 | Powera |
|---|---|---|---|---|---|
| 6-min Run SD score | |||||
| Between-participants effects | |||||
| Sex | 1 | 1.39 | .24 | .002 | .22 |
| Sports club membership | 1 | 58.20 | <.001 | .071 | >.99 |
| Sex × sports club | 1 | 9.21 | .002 | .012 | .86 |
| Error | 759 | NA | NA | NA | NA |
| Within-participant effects | |||||
| Time: T1 − T3 | 1 | 943.77 | <.001 | .554 | >.99 |
| Time × sex | 1 | 0.06 | .80 | <.001 | .06 |
| Time × sports club membership | 1 | 1.75 | .19 | .002 | .26 |
| Time × sex × sports club membership | 1 | 0.74 | .39 | .001 | .14 |
| Error: time | 759 | NA | NA | NA | NA |
| BMI SD score | |||||
| Between-participants effects | |||||
| Sex | 1 | 0.37 | .54 | <.001 | .09 |
| Sports club membership | 1 | 6.68 | .01 | .009 | .73 |
| Sex × sports club membership | 1 | 1.22 | .27 | .002 | .20 |
| Error | 760 | NA | NA | NA | NA |
| Within-participant effects | |||||
| Time: T1 − T2 − T3 | 1.96 | 56.84 | <.001 | .070 | >.99 |
| Time × sex | 1.96 | .05 | <.001 | .013 | .98 |
| Time × sports club membership | 1.96 | 3.92 | .02 | .005 | .70 |
| Time × sex × sports club | 1.96 | 0.73 | .48 | .001 | .17 |
| Error: time | 1489.79 | NA | NA | NA | NA |
Abbreviations: 6-min run, 6-minute run endurance test; ANOVA, analysis of variance; BMI, body mass index; NA, not applicable; ηp2, partial η2.
a
Observed power computed using α = .05.