About one-third of respondents said they had served as consultants, nearly a quarter said they had been paid speakers and 20 percent said they had received research funding from industry, down from 28 percent in 1995.
The survey, conducted in 2006-7, was mailed to about 3,000 researchers at the 50 universities that received the most NIH research funding, a common measure of top research schools.
Read the Wall Street Journal Health Blog’s report on researchers’ financial ties to industry.