| N | % | PR†(95% CI) |
---|---|---|---|
Gender | Â | Â | Â |
Male | 632 | 69 | 1.00 |
Female | 288 | 31 | 0.44 (0.41-0.50) |
Age | Â | Â | Â |
<19 | 267 | 29 | 1.00 |
20 - 44 | 568 | 62 | 2.13(1.9-2.3) |
45 - 64 | 80 | 9 | 0.31(0.24-0.37) |
65+ | 5 | 1 | NA‡ |
Day of Week | Â | Â | |
Weekday | 684 | 74 | 1.00 |
Weekend | 236 | 26 | 0.35 (0.31-0.39) |
Style | Â | Â | Â |
Karate | 299 | 33 | 1.00 |
Taekwondo | 129 | 14 | 0.42(0.37-0.50) |
Judo | 99 | 11 | 0.36(0.28-0.40) |
Kickboxing | 60 | 7 | 0.21(0.16-0.25) |
Jujitsu | 46 | 5 | 0.15(0.12-0.20) |
Aikido | 16 | 2 | 0.06 (0.03-0.09) |
Kung Fu | 15 | 2 | 0.05 (0.03 - 0.08) |
Tai Chi | 5 | 1 | NA‡ |
Unknown | 251 | 27 | 0.84 (0.75-0.95) |
Location | Â | Â | Â |
Training Facility | 461 | 50 | 1.00 |
Tournament/Demonstration | 186 | 20 | 0.40 (0.35-0.46) |
Residential | 79 | 9 | 0.18 (0.14-0.21) |
School | 16 | 2 | 0.03 (0.02-0.06) |
Unknown | 178 | 19 | 0.38 (0.38-0.44) |
Severity | Â | Â | Â |
Severe* | 236 | 26 | 1.00 |
Mild | 684 | 74 | 0.35 (0.31-0.39) |