LiftTrainerTMv video for employees who do repetitive lifting*

Outcomes at 12 monthsLiftTrainerTMVideoRRR (95% CI)NNT
*NS  =  not significant; other abbreviations defined in glossary. RRR, NNT, and CI calculated from data in article.
Back injury6.9%7.5%7.4% (−27 to 33)NS