In this month's issue of Downbeat, I noticed a call for participants in a study conducted by my alma mater. They're looking for musicians (amateur or professional) to take a brief survey "regarding the unique challenges that musicians face."
When taking the survey, you'll notice that, in addition to the inquiries about your background, many of the questions or scenarios focus on stress, health, and self-perception. Having spoken to a number of aspiring and established jazz musicians myself, I can imagine anyone pursuing that kind of career would have some experiences to share. Results are confidential, of course, but they will publish the statistical data eventually.
Take the survey at Musicianstudy.org.