A nurse manager is evaluating a quality improvement initiative for reducing health care-associated infections. Which of the following findings indicate the initiative is effective?

Central lines are inserted into the femoral vein for clients who are obese.

Nurses perform hand hygiene for 10 seconds before completing tasks.

Clients who have an indwelling urinary catheter are assessed daily to determine if it is still needed.

Clients who are intubated are kept in the supine position.