It all depends on what you mean by "what do they do". It also depends on what type on incontinence they have. Some use a pad that is placed in their underwear, similar to a feminine pad. On the other end of the spectrum they use diapers. Again it all depends.
Incontinent in Ten Continents was created in 1991.
Incontinent
"As the patient was incontinent, the nurse knew she'd have to plan urine and feces clean-up into her daily plan."
No.
This is an international concert to benefit the incontinent.
incontinent
Yes . . . INcontinent, SUBcontinent, and so forth.
Drink a lot of water and just lay there
That means you are incontinent and need to see a doctor.
incontinent, paralyzed, poorly nourished
continente (both as meaning a land mass, or the opposite of 'incontinent').
The world would be incontinent without them. They make the tides go round