TABLE 4.
Time-Varying Risk Factors for Lower Extremity and Knee Overuse Injuries, 2008-2012a
| Risk Factor | Lower Extremity Overuse Injury | Knee Overuse Injury |
|---|---|---|
| Usual position played in prior month | ||
| Goalie | ||
| No | 1.00 | 1.00 |
| Yes | 1.09 (0.44-2.56) | 0.66 (0.01-2.29) |
| Defender | ||
| No | 1.00 | 1.00 |
| Yes | 1.01 (0.55-1.82) | 1.64 (0.69-3.66) |
| Forward | ||
| No | 1.00 | 1.00 |
| Yes | 0.80 (0.40-1.39) | 0.74 (0.23-1.72) |
| Midfielder | ||
| No | 1.00 | 1.00 |
| Yes | 0.98 (0.57-1.71) | 0.95 (0.49-2.00) |
| Practiced soccer on own in prior week | ||
| No | 1.00 | 1.00 |
| Yes | 1.18 (0.62-2.07) | 1.22 (0.54-2.57) |
| Played on another soccer team in prior week | ||
| No | 1.00 | 1.00 |
| Yes | 1.55 (0.77-2.84) | 2.46 (1.08-5.35) |
| Participated in another sports team in previous monthb | ||
| No | 1.00 | 1.00 |
| Yes | 1.32 (0.78-2.61) | 1.88 (0.86-5.66) |
| Participated in other physical activitiesc | ||
| No | 1.00 | 1.00 |
| Yes | 0.50 (0.27-0.86) | 0.39 (0.15-0.81) |
aValues are expressed as odds ratio (95% CI).
bSports teams included basketball, volleyball, and track.
cPhysical activities included golf, skiing, gymnastics, waterskiing, running, weight lifting, bicycling, aerobics, Pilates, swimming, or other activities.