| Years of activity |
Affected
Non affected |
13.8 (7.2)
8.4 (6.5) |
.0005 |
| Days of practice per week |
Affected
Non affected |
5.6 (1.5)
4.7 (1.5) |
.002 |
| Km per week |
Affected
Non affected |
63.5 (26.9)
42.2 (24.1) |
.0005 |
| Group variables |
Group |
Affected (%) |
p |
| Type of activity |
Sprint
Hurdles
Middle distance
Long distance |
15.4%
0%
33.3%
21.9%, |
.057 |
| Level |
Competitive
Recreational |
29.1%
14.3% |
.037 |
| Hindfoot |
Neutral
Varus
Valgus |
29.4%
37.5%
17.1% |
.089 |
| Longitudinal arch |
Normal
Cavus
Flat |
19.6%
28.6%
50.0% |
.048 |
| Multivariate analysis |
OR |
95% C.I. |
p |
| Years of activity |
1.13 |
1.06 – 1.21 |
.001 |
| Km per week |
1.03 |
1.01 – 1.05 |
.006 |
| Athletics track (with reference to other surfaces) |
5.25 |
1.26 – 21.84 |
.023 |
| Varus hindfoot (with reference to normal hindfoot) |
.87 |
0.22 – 3.41 |
NS |
| Valgus hindfoot (with reference to normal hindfoot) |
.32 |
0.12 – 0.86 |
.024 |
| Cavus arch (with reference to normal arch) |
1.10 |
0.41 – 2.92 |
NS |
| Flat arch (with reference to normal arch) |
16.99 |
2.76 – 104.40 |
.002 |