Table I.

Apprentices who reported performing tasks on the job and percent who received training prior to performing task on the job

Task	Had performed task on-the-job	Were trained prior to task performance
Use personal fall arrest	81.4%	87.1%
Use pump jack scaffold	66.2%	76.4%
Use ladder jack scaffold	78.9%	68.0%
Work near unprotected openings/edges	82.1%	67.7%
Set outside walls	86.5%	67.6%
Set trusses	85.0%	65.8%
Set joists	84.3%	65.6%
Sheath roof	78.8%	61.8%
Use extension ladder	96.1%	56.5%
Use step ladder	96.7%	53.0%