People who are hard of hearing and blind are affected by questions 1, 4, 9, 10, and 11.

People who are hard of hearing and who have low vision are affected by questions 1, 4, 5, 9, 10, and 11.

People who are deaf and blind are affected by questions 10, and 11.

People who are deaf and who have low vision are affected by questions 5, 10, and 11.