"I think being attached to an institution is less important, it's not viewed as negatively," Mr. Cox said. "Simply saying you're not attached to the Catholic Church, I don't think there's the same kind of weight."
Americans tend to fib about church attendance, study finds →
Even being labeled an atheist, is "becoming increasingly accepted," Mr. Cox said. "Compared to where the United States was in the 1950s, considerably more people are at least tolerant."