LiftTrainer
TM
v
video for employees who do repetitive lifting*
Outcomes at 12 months
LiftTrainer
TM
Video
RRR (95% CI)
NNT
*NS = not significant; other abbreviations defined in glossary. RRR, NNT, and CI calculated from data in article.
Back injury
6.9%
7.5%
7.4% (−27 to 33)
NS