For what reasons — other than the toilet — do Americans use public bathrooms?

Thinking about reasons people go into public bathrooms other than to use the toilet, how often do you enter a public bathroom for the following reasons? (% of U.S. adult citizens)

To wash your hands

To check or touch up your appearance in the mirror

To have a moment of quiet alone time

To get away from an awkward or uncomfortable situation

To chat privately with friends

To use drugs

To have sex