Table 2.
Demographic Characteristics and Injury Circumstance among Traffic Injury Cases (N = 1,656) by age groups, Japan, 2003
| Group | 1 | 2 | 3 |
|---|---|---|---|
| Age (years) | 18 - 64 | 65 - 74 | 75 + |
| Cases | 1459 | 119 | 78 |
| Gender (% males) | 56.8 * | 38.7 | 48.7 |
| Address (% outside Kurume) | 41.9 | 34.5 | 35.9 |
| Transfer Circumstance (%) | |||
| Ambulance | 47.4 * | 73.1 | 82.1 *** |
| Payment Type (%) | |||
| Mandatory car insurance | 69.5 * | 52.1 | 57.7 |
| Social insurance | 18.5 | 16.8 | 10.3 |
| National insurance | 5.7 * | 26.9 | 29.5 *** |
| Occupational insurance | 1.9 | 0.0 | 0.0 |
| Self pay | 4.4 | 4.2 | 2.6 |
| Medical Service (%) | |||
| Orthopedic | 80.3 | 72.3 | 57.7 *** |
| Neurosurgery | 8.7 | 14.3 | 19.2 *** |
| Plastic surgery | 5.6 | 2.5 | 9.0 |
| General surgery | 4.7 | 9.2 | 11.5 *** |
| Others | 0.6 | 1.7 | 2.6 |
| Time of ED visit (%) | |||
| 08:30 - 16:59 | 32.9 * | 53.8 | 57.7 *** |
| 17:00 - 23:59 | 43.7 | 37.0 | 30.8 |
| 00:00 - 08:29 | 23.4 * | 9.2 | 11.5 |
| Weekend (%) | 35.6 | 37.0 | 26.9 |
| Mechanism of Injury (%) | |||
| Automobile | 68.0 * | 38.7 | 37.2 *** |
| Pedestrian | 4.7 * | 21.9 | 20.5 *** |
| Bicycle | 8.8 * | 25.2 | 29.5 *** |
| Motorcycle | 16.5 | 11.8 | 11.5 |
| Others | 2.1 | 2.5 | 1.3 |
* group 1 is significantly different (P ≤ 0.01) from group 2
** group 2 is significantly different (P ≤ 0.01) from group 3
*** group 3 is significantly different (P ≤ 0.01) from group 1