Table 4 .
Demographic and injury profile of selective mechanisms of falls
| Mechanism of falls |
|||||
|---|---|---|---|---|---|
| Characteristics | Same level (W01) | Building/ Structure (W13) | Stairs/ Steps (W10) | Ladder(W11) | Other slipping (W18) |
| Sample size* | 360 | 285 | 284 | 159 | 131 |
| Age (years), mean | 61.3 | 42.7 | 60.4 | 48.9 | 60.9 |
| Sex, % | |||||
| Male | 73.1 | 87.0 | 66.2 | 94.3 | 77.9 |
| Female | 26.9 | 13.0 | 33.8 | 5.7 | 22.1 |
| Race/ethnicity, % | |||||
| White | 68.5 | 73.7 | 64.6 | 78.1 | 65.6 |
| Black | 25.8 | 11.7 | 24.8 | 9.7 | 22.4 |
| Hispanic | 3.7 | 12.5 | 5.5 | 12.3 | 8.0 |
| Other | 2.0 | 2.2 | 5.1 | 0.0 | 4.0 |
| Work-related: | |||||
| Yes, % | 6.1 | 27.6 | 5.0 | 36.1 | 15.6 |
| Associated injury: Yes, % | 12.0 | 44.5 | 22.3 | 32.1 | 14.3 |
| Vertebral injury: Yes, % | 47.4 | 91.8 | 62.8 | 94.2 | 54.0 |
| AIS grade, % | |||||
| A | 8.4 | 37.7 | 13.1 | 47.0 | 12.6 |
| B | 7.9 | 10.8 | 7.7 | 12.1 | 9.0 |
| C | 22.1 | 19.0 | 17.8 | 13.4 | 12.6 |
| D | 60.7 | 32.1 | 59.9 | 26.9 | 64.0 |
| E | 0.9 | 0.4 | 1.5 | 0.7 | 1.8 |
| Level of injury, % | |||||
| Cervical | 87.8 | 39.2 | 88.2 | 34.3 | 86.0 |
| Thoracic | 7.0 | 46.9 | 6.3 | 45.5 | 8.4 |
| Lumbar | 3.7 | 13.2 | 3.5 | 19.6 | 2.8 |
| Sacral | 0.6 | 0.4 | 0.4 | 0.0 | 0.9 |
| Normal | 0.9 | 0.4 | 1.6 | 0.7 | 1.9 |
AIS = American Spinal Injury Association Impairment Scale
*Records with unknown or missing values were excluded from analysis.