Table 3.
Golf performance using repeated measures ANOVA
| dummyonly | Intervention | Comparison of change (p) | ||||
|---|---|---|---|---|---|---|
| Pre | Post | Change | Effect size ( d ) | Within groups | Group × Time | |
| Best 7 Iron Club Speed (miles/hour) | ||||||
| PLA | 86.7 ± 8.9 | 88.0 ± 4.6 | 1.39 ± 4.9 | 0.15 | 0.32 | 0.50 |
| SD | 92.1 ± 4.8 | 92.5 ± 5.2 | 0.44 ± 1.7 | 0.09 | 0.34 | |
| Best 7 Iron Ball Speed (miles/hour) | ||||||
| PLA | 113.8 ± 12.9 | 115.4 ± 8.8 | 1.51 ± 7.5 | 0.11 | 0.79 | 0.44 |
| SD | 120.8 ± 6.3 | 120.5 ± 6.9 | −0.25 ± 3.9 | 0.04 | 0.80 | |
| Best Distance 7 Iron (yards) | ||||||
| PLA | 162 ± 24 | 169 ± 21 | 6.9 ± 13 | 0.31 | 0.08 | 0.93 |
| SD | 174 ± 15 | 181 ± 13 | 7.4 ± 18 | 0.53 | 0.14 | |
| Best Driver Club Speed (miles/hour) | ||||||
| PLA | 104.5 ± 9.3 | 104.9 ± 6.5 | 0.45 ± 4.6 | 0.05 | 0.73 | 0.46§ |
| SD | 110.4 ± 5.1 | 110.1 ± 5.7 | −0.31 ± 3.6 | 0.06 | 0.76 | |
| Best Driver Ball Speed (miles/hour) | ||||||
| PLA | 147.5 ± 13.8 | 148.6 ± 9.5 | 1.1 ± 7.5 | 0.09 | 0.61 | 0.17§ |
| SD | 158.9 ± 6.6 | 159.1 ± 7.9 | 0.19 ± 7.6 | 0.03 | 0.93 | |
| Best Driver Distance (yards) | ||||||
| PLA | 260.0 ± 30.4 | 258.8 ± 29.6 | −1.2 ± 18.6 | 0.04 | 0.82 | 0.04§ |
| SD | 269.9 ± 18.5 | 283.5 ± 23.1 | 13.6 ± 29.0 | 0.75 | 0.10 | |
Values are mean ± SD. §= Group differences assessed using ANCOVA with respective baseline scores as the covariate due to significant difference between groups at baseline.