Finding that less educated people’s church attendance has dropped off more than their more educated counterparts:

In the 1970s, a new study finds, half of white Americans with a high school education attended church at least monthly. Now only 37 percent do. In contrast, 46 percent of highly educated white Americans attend church, only a 5 percent drop from the 1970s.
…
Lack of a steady job might also cause people to shy away from a church community, Wilcox said.

No shit Sherlock.  I have firsthand experience of being treated badly at a church for not having a job.  People aren’t shying away from the church community, the church community is ostracizing them.  We aren’t leaving the church so much as the church is leaving us.