A total of 157 cases with injuries reported to workers'
compensation and 251 controls were interviewed. Results: In multivariable analyses, variables associated
with injury risk were high physical workload, machine-paced work or inability to take a break, lack of
training, absence of a lockout/tagout program, low seniority, and male gender. Different subsets of these
variables were significant when acute incidents and overexertions were analyzed separately and when all
injuries were stratified by industry sub-sector.