Were there any prescribed pain medications that this
person was supposed to use, but:
... did not use as prescribed because of the side effects?

Response Unweighted Frequency Weighted Percentage Standard Error Lower 95% Confidence
Limit
Upper 95% Confidence
Limit
Yes 107 20.1 2.0 16.3 24.0
No 381 79.9 2.0 76.0 83.7

Among respondents who, during the past five years, were
involved in the care of a friend or a close family member
who died of cancer, excluding individuals who were not
prescribed any pain medication and unknowns and refusals.