Religious doctors not more likely to care for poor

That's no surprise, and not even the reason why I would draw attention to it. Here's the real reason this study is significant:

He and colleagues at Yale New Haven Hospital in Connecticut mailed surveys to 1,820 practicing doctors. Of those, 63 percent responded.

What is it about a study on religiosity that would inspire a 63% response rate? Physician survey studies typically consider themselves sterling successes if they achieve anything above a 20% response rate.