Table 5

Injury incidence rates (IIRs) and rate ratios (RRs) per 1000 athlete-exposures (AE) and 1000 minute-exposures (ME) with 95% CIs by gender, age and belt rank categories

CategoryIIRAE (95% CI)RRAE (95% CI)IIRME (95% CI)RRME (95% CI)
Gender
 Male62.78 (52.22 to 74.86)ref.17.38 (14.45 to 20.72)ref.
 Female52.83 (38.08 to 71.41)0.84 (0.59 to 1.19)13.83 (9.97 to 18.69)0.79 (0.56 to 1.13)
Age group
 Under 1025.51 (12.23 to 46.91)ref.12.14 (5.82 to 22.32)ref.
 10–1458.09 (43.88 to 75.44)2.28 (1.18 to 4.41)21.00 (15.86 to 27.27)1.73 (0.89 to 3.35)
 14–1859.46 (40.93 to 83.50)2.33 (1.17 to 4.66)15.66 (10.78 to 21.99)1.29 (0.64 to 2.58)
 Open77.42 (59.08 to 99.65)3.03 (1.57 to 5.86)14.43 (11.01 to 18.58)1.19 (0.62 to 2.30)
 Over 3183.33 (33.50 to 171.70)3.27 (1.27 to 8.29)16.79 (6.75 to 34.59)1.38 (0.54 to 3.51)
Belt rank
 Yellow41.38 (26.51 to 61.57)ref.13.84 (8.87 to 20.60)ref.
 Blue47.78 (31.75 to 69.06)1.15 (0.67 to 1.98)16.97 (11.28 to 24.53)1.23 (0.72 to 2.10)
 Red66.56 (47.97 to 89.97)1.61 (0.98 to 2.64)21.90 (15.79 to 29.61)1.58 (0.96 to 2.60)
 Black73.73 (57.58 to 93.00)1.78 (1.13 to 2.82)14.63 (11.43 to 18.46)1.06 (0.67 to 1.67)