Demographers Jennifer Glass at the University of Texas and Philip Levchak at the University of Iowa looked at the entire map of the United States, going county by county, to examine where divorces occurred in 2000 and what the characteristics of those counties were. Their work confirms that one of the strongest factors predicting divorce rates (per 1000 married couples) is the concentration of conservative or evangelical Protestants in that county.
MORE: http://www.patheos.com/blogs/friendlyatheist/2014/01/19/new-study-finds-that-divorce-rates-are-higher-in-counties-with-a-greater-concentration-of-conservative-christians/
