Table 3.
Associations between comfort performing JM and past 12-month frequency of jumping/hopping with peak power and force.
| N=279 | N (%) | Power1 | Force1 | ||||
|---|---|---|---|---|---|---|---|
| β | 95% CI | P value | β | 95% CI | P value | ||
| Comfort of jump/hop movements | |||||||
| Very uncomfortable/uncomfortable (ref) | 38 (13.6) | - | - | <0.01 | - | - | <0.01 |
| Not sure | 64 (22.9) | -0.04 | -0.21, 0.12 | -0.16 | -0.49, 0.18 | ||
| Comfortable | 155 (55.6) | 0.07 | -0.08, 0.21 | 0.07 | -0.23, 0.37 | ||
| Very comfortable | 22 (7.9) | 0.36 | 0.15, 0.58 | 0.21 | -0.23, 0.65 | ||
| Frequency of jump/hop movements | |||||||
| Never (ref) | 92 (33.0) | - | - | <0.01 | - | - | <0.01 |
| Rarely | 76 (27.2) | 0.11 | -0.02, 0.23 | 0.08 | -0.18, 0.33 | ||
| Every once in a while | 63 (22.6) | 0.23 | 0.09, 0.36 | 0.22 | -0.05, 0.49 | ||
| Very often/often | 48 (17.2) | 0.15 | 0.01, 0.30 | 0.37 | 0.07, 0.66 | ||
P; p value for trend. CI; Confidence Interval. JM: Jumping mechanography. SD: Standard Deviation.
1
Force and power relative to weight. Standardized beta coefficients represent SD difference in outcome for each category of exposure compared with the reference category (ref).