AIMS
To identify the work factors that predict intense low back pain (LBP) and LBP related sick leaves in nurses' aides.
METHODS
The sample comprised 4266 randomly selected Norwegian nurses' aides, not bothered or only a little bothered by LBP during the previous three months, and not on sick leave when completing a mailed questionnaire in 1999. Of these, 3808 (89.3%) completed a second quest...