这个研究(Benjamin Edelman. “Red Light States: Who Buys Online Adult Entertainment?” Journal of Economic Perspectives 23, no. 1 (Winter 2009): 209-230.)结果笑死人了: In regions where more people report regularly attending religious services (per National Election Studies 2004) … a statistically significantly smaller proportion of subscriptions begin on Sundays, compared with other regions. In particular, a 1 percent increase in the proportion of people who report regularly attending religious services is associated with a 0.10 percent reduction in the proportion of purchases that occur on Sunday. This analysis suggests that, on the whole, those who attend religious services shift their consumption of adult entertainment to other days of the week, despite on average consuming the same amount of adult entertainment as others.
…In the 27 states where “defense of marriage” amendments have been adopted (making same-sex marriage, and/or civil unions unconstitutional), … there were 0.2 more subscribers to this adult web site per thousand broadband households, 11 percent more than in other states.