Table 1.

Wording of ergonomic exposure questions that were compared with corresponding direct measurements.

Self-reported exposure	Wording of ergonomic exposure question
Overall physical exertion	What was the level of physical exertion as you experienced it?
Pace	How would you rate the pace at which you worked?
Shoulder positions	How awkward were your shoulder positions?
Arm positions	How awkward were your arm positions?
Wrist/hand positions	How awkward were your wrist and hand positions?
Manual effort	How would you rate the manual effort (grip force or muscle strength in the hands and arms) required in this job?
Weight of typical part	What was the weight of the most usual or typical part (or the average weight part) that you handled?