Table 2.
Incidence of bicycle-related injuries in Olmsted County, MN, 2002-2011
| Females | Males | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Age group | No. | Ratea | 95 % CIa | No. | Ratea | 95 % CIa | No. | Rateb | 95 % CIb |
| Any injury | |||||||||
| 5–9 years | 193 | 403 | (346, 460) | 295 | 585 | (518, 652) | 488 | 496 | (452, 540) |
| 10–14 years | 150 | 327 | (275, 380) | 385 | 780 | (702, 858) | 535 | 560 | (512, 607) |
| 15–18 years | 24 | 61 | (36, 85) | 142 | 352 | (294, 409) | 166 | 211 | (179, 243) |
| All ages | 367 | 278 | (249, 306) | 822 | 589 | (549, 629) | 1189 | 438 | (413, 463) |
| Head injury | |||||||||
| 5–9 years | 89 | 184 | (145, 222) | 173 | 337 | (286, 387) | 262 | 262 | (230, 294) |
| 10–14 years | 43 | 94 | (66, 122) | 132 | 267 | (222, 313) | 175 | 183 | (156, 210) |
| 15–18 years | 7 | 18 | (5, 31) | 56 | 138 | (102, 174) | 63 | 80 | (60, 100) |
| All ages | 139 | 104 | (87, 121) | 361 | 255 | (229, 281) | 500 | 182 | (166, 197) |
| Brain injury | |||||||||
| 5–9 years | 11 | 23 | (9, 36) | 18 | 35 | (19, 51) | 29 | 29 | (18, 39) |
| 10–14 years | 13 | 28 | (13, 44) | 34 | 69 | (46, 92) | 47 | 49 | (35, 63) |
| 15–18 years | 2 | 5 | (0, 12) | 19 | 47 | (26, 68) | 21 | 27 | (15, 38) |
| All ages | 26 | 20 | (12, 27) | 71 | 50 | (39, 62) | 97 | 35 | (28, 43) |
aIncidence per 100,000 person-years, age-adjusted to the US white population in the year 2000
bIncidence per 100,000 person-years, age- and sex-adjusted to the US white population in the year 2000