Variable | Category | Incidence | 95% CI |
---|---|---|---|
Year of observation | 2008 | 0.31 | 0.10 to 0.96 |
2009 | 0.19 | 0.05 to 0.75 | |
2010 | 0.11 | 0.02 to 0.75 | |
2011 | 0.32 | 0.10 to 0.98 | |
Gender | Female | 0.22 | 0.08 to 0.58 |
Male | 0.24 | 0.10 to 0.57 | |
Age groups (years) | 16–30 | 0.20 | 0.06 to 0.61 |
31–40 | 0.37 | 0.14 to 0.98 | |
41–50 | 0.13 | 0.02 to 0.93 | |
>50 | 0.19 | 0.03 to 1.31 | |
Running experience (medals) | ≤1 | 0.20 | 0.08 to 0.53 |
2+ | 0.26 | 0.11 to 0.63 | |
Running pace (min/km) | <6 | 0.23 | 0.08 to 0.72 |
6–7 | 0.15 | 0.04 to 0.61 | |
>7 | 0.15 | 0.04 to 0.62 |