The study (full PDF here) was conducted by the National Center for Health Statistics and inclues women and men, ages 15 to 55, who defined cohabitation as people partnered with members of the opposite sex.
Now you might be asking, whatever does this have to do with education?
Well, it turns out that if both partners have graduated from college, the chances improve that they will not only marry but that it will last for at least a decade.
"Cohabitation is still a pathway to marriage for many college graduates, while it may be an end in itself for many less educated women," said professor of policy analysis, Kelly Musick.
The story went on to note that the perception of whether or not to live together was often a generational thing: "From the perspective of many young adults, marrying without living together first seems quite foolish. Just because some academic studies have shown that living together may increase the chance of divorce somewhat, young adults themselves don't believe that."
What's your living arrangement and do you think that it does or does not increase your chance at long-term togetherness?