50 nurses working in a place with poor safety hazards
half new grades without training of safety devices
no efforts from management concerning needle stick exposure and inc. incidence of nurses being stuck by needles.
needles left on bed sheets, top of medic carts due to overload, fatigue and no health promotion
disposable sharp disposals attached to med carts and hidden, no clear visibility if full or not.
Using the information prepare a logistic regression