Variable | Category | Incidence | 95% CI |
---|---|---|---|
Year of observation | 2008 | 0.72 | 0.35 to 1.52 |
2009 | 0.75 | 0.38 to 1.50 | |
2010 | 1.26 | 0.72 to 2.22 | |
2011 | 1.58 | 0.95 to 2.62 | |
Gender | Female | 1.52 | 1.05 to 2.21 |
Male | 0.67 | 0.40 to 1.13 | |
Age groups (years) | 16–30 | 1.04 | 0.64 to 1.70 |
31–40 | 0.73 | 0.37 to 1.47 | |
41–50 | 1.18 | 0.61 to 2.26 | |
>50 | 1.66 | 0.87 to 3.19 | |
Running experience (medals) | ≤1 | 1.04 | 0.68 to 1.60 |
2+ | 1.09 | 0.71 to 1.68 | |
Running pace (min/km) | <6 | 0.77 | 0.42 to 1.43 |
6–7 | 0.38 | 0.16 to 0.92 | |
> 7 | 1.46 | 0.94 to 2.29 |