Format of knowledge checks, n = 61	N, %
Both Formal and Informal Checks Formal Check Only Informal Check Only No check	20, 27.9% 3, 4.9% 35, 57.4% 6, 9.8%
Types of knowledge check, n = 191
Multiple types of tests2 Written Test Teach Back Verbal Test	6, 31.6% 1, 5.2% 11, 57.9% 1, 5.2%
When do you use knowledge checks, n = 571
Formal part of education process If I think patient does not understand Patient behavior demonstrates deficit of knowledge	12, 20.7% 45, 77.6% 52, 89.7%
Why are knowledge checks not used, n = 361
Take too much time Not useful I forget to use them Not part of our formal process I never learned to use them Other	11, 30.6% 2, 5.6% 7, 19.4% 18, 50% 1, 2.8% 7, 19.4%