Do Christians buy less online pornography than non-believers? The Associated Baptist Press reports on a recent study suggesting "no"–except, that is, on Sundays.

Harvard Business School professor Benjamin Edelman took the zip codes of subscribers to a top-ten porn seller and analyzed the geographical distribution. He says that subscription rates in regions where more people report regularly attending religious services aren't "statistically significantly different" from subscriptions elsewhere.

In fact, subscriptions are actually more prevalent in states that have passed conservative legislation on sexuality, as well as in states where more survey respondents agreed with statements like "I never doubt the existence of God" and "I have old-fashioned values about family and marriage."

An interesting (or depressing) wrinkle is that, in regions of higher church attendance, a smaller proportion of porn subscriptions begin on Sundays. "This analysis suggests that, on the whole, those who attend ...