Fatal occupational injuries by percentages among tree workers by U.S. Department of Labor, Bureau of Labor Statistics Occupational Injury/Illness event or exposure category.
| Citation | n | Contact with objects & equipment | Exposure to harmful substances or environment | Falls, slips, & trips | Transportation incidents | Violence & other injuries by person or animals |
|---|---|---|---|---|---|---|
| Buckley et al. (2008) | 564 | 36.0% | 18.8% | 33.2% | 11.2% | 0.9% |
| Castillo and Menendez (2009) | 1,285 | 46.3% | 14.0% | 34.3% | 5.1% | 0.0% |
| Wiatrowski (2005) | 637 | 35.3% | 18.7% | 32.5% | 12.2% | 0.9% |
| Present study | 865 | 41.5% | 16.6% | 33.9% | 6.1% | 0.9% |