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(1) Women were more likely to report that the desire to learn about ways to improve health influenced their decision to a great extent (59.0% vs. 47.3%, p < 0.001). (2) Participants ≥50 years old were interested in their personal response to medications to a great extent more often than participants <50 years old (51.1% vs. 41.9%, p < 0.001). Color images are available online.
