While surfing the Internet looking for something else, I found this:
http://www.terradaily.com/news/human-05y.html
"Men and women age 70 or older whose net worth was $70,000 or higher were 30 percent less likely than poorer people to have felt pain often during the year before they died."
http://www.terradaily.com/news/human-05y.html
"Men and women age 70 or older whose net worth was $70,000 or higher were 30 percent less likely than poorer people to have felt pain often during the year before they died."